{"id":12880,"date":"2020-03-12T21:27:33","date_gmt":"2020-03-12T20:27:33","guid":{"rendered":"https:\/\/autoedu.info\/auto-electric\/electrical-installations\/releji-ispitivanje\/"},"modified":"2024-03-13T21:31:53","modified_gmt":"2024-03-13T20:31:53","slug":"relays-testing","status":"publish","type":"page","link":"https:\/\/autoedu.info\/en\/auto-electric\/electrical-installations\/relays-testing\/","title":{"rendered":"Relays &#8211; testing"},"content":{"rendered":"<div id=\"tdi_1\" class=\"tdc-row\"><div class=\"vc_row tdi_2  wpb_row td-pb-row\" >\n<style scoped>\n\/* custom css - generated by TagDiv Composer *\/\n\n\/* custom css - generated by TagDiv Composer *\/\n\/* custom css - generated by TagDiv Composer *\/\n.tdi_2,\r\n                .tdi_2 .tdc-columns{\r\n                    min-height: 0;\r\n                }.tdi_2,\r\n\t\t\t\t.tdi_2 .tdc-columns{\r\n\t\t\t\t    display: block;\r\n\t\t\t\t}.tdi_2 .tdc-columns{\r\n\t\t\t\t    width: 100%;\r\n\t\t\t\t}\n<\/style><div class=\"vc_column tdi_4  wpb_column vc_column_container tdc-column td-pb-span8\">\n<style scoped>\n\/* custom css - generated by TagDiv Composer *\/\n\n\/* custom css - generated by TagDiv Composer *\/\n\/* custom css - generated by TagDiv Composer *\/\n.tdi_4{\r\n                    vertical-align: baseline;\r\n                }.tdi_4 > .wpb_wrapper,\r\n\t\t\t\t.tdi_4 > .wpb_wrapper > .tdc-elements{\r\n\t\t\t\t    display: block;\r\n\t\t\t\t}.tdi_4 > .wpb_wrapper > .tdc-elements{\r\n\t\t\t\t    width: 100%;\r\n\t\t\t\t}.tdi_4 > .wpb_wrapper > .vc_row_inner{\r\n\t\t\t\t    width: auto;\r\n\t\t\t\t}.tdi_4 > .wpb_wrapper{\r\n\t\t\t\t    width: auto;\r\n\t\t\t\t    height: auto;\r\n\t\t\t\t}\n<\/style><div class=\"wpb_wrapper\" >[vc_column_text]\r\n<h1 style=\"text-align: center;\"><strong>Relays &#8211; testing<\/strong><\/h1>\r\nRelays are electromagnetic switches that use small currents in the coil to control significantly higher operating currents. Standard relays have four or five connectors. The markings are numerical and are 30 (permanent plus), 86 (plus on the coil), 85 minus (output from the coil), and 87 minus (output to the consumer). If there is a fifth connector, it is labeled 87a.[\/vc_column_text][vc_single_image image=&#8221;12882&#8243; img_size=&#8221;500&#215;190&#8243; alignment=&#8221;center&#8221; tdc_css=&#8221;eyJhbGwiOnsibWFyZ2luLXRvcCI6IjAiLCJtYXJnaW4tYm90dG9tIjoiMCIsInBhZGRpbmctdG9wIjoiMCIsInBhZGRpbmctYm90dG9tIjoiMCIsImRpc3BsYXkiOiIifX0=&#8221; media_size_image_height=&#8221;200&#8243; media_size_image_width=&#8221;300&#8243; size=&#8221;contain&#8221; height=&#8221;40%&#8221;][vc_column_text css=&#8221;.vc_custom_1663832637512{margin-bottom: 0px !important;padding-top: 10px !important;padding-bottom: 0px !important;}&#8221;]\r\n<p style=\"text-align: center;\">Relay and circuit<\/p>\r\nDue to the heavy use of relays on the vehicle, we will explain the standard test procedure. The relays are located on the relay plate with the other relays and fuses. Testing the relay is done in two stages: checking the correctness of the relay base on the plate and testing the relay on the workbench. Before testing, it is necessary to get to know the electrical connection diagram and the position of the components.[\/vc_column_text][vc_single_image image=&#8221;12888&#8243; img_size=&#8221;500&#215;299&#8243; alignment=&#8221;center&#8221; tdc_css=&#8221;eyJhbGwiOnsibWFyZ2luLXRvcCI6IjAiLCJtYXJnaW4tYm90dG9tIjoiMCIsInBhZGRpbmctdG9wIjoiMCIsInBhZGRpbmctYm90dG9tIjoiMCIsImRpc3BsYXkiOiIifX0=&#8221; media_size_image_height=&#8221;200&#8243; media_size_image_width=&#8221;300&#8243; size=&#8221;contain&#8221; height=&#8221;40%&#8221;][vc_column_text css=&#8221;.vc_custom_1663832689638{margin-bottom: 0px !important;padding-top: 10px !important;padding-bottom: 0px !important;}&#8221;]\r\n<p style=\"text-align: center;\">Relay wiring diagram for lights<\/p>\r\n[\/vc_column_text]\n <!-- A generated by theme --> \n\n<script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script><div class=\"td-g-rec td-g-rec-id-custom_ad_5 vc_custom_1548147636293 tdi_5 td_block_template_1 \">\n\n<style>\n\/* custom css - generated by TagDiv Composer *\/\n\/* custom css - generated by TagDiv Composer *\/\n.tdi_5.td-a-rec{\r\n\t\t\t\t\ttext-align: center;\r\n\t\t\t\t}.tdi_5.td-a-rec:not(.td-a-rec-no-translate){\r\n\t\t\t\t    transform: translateZ(0);\r\n\t\t\t\t}.tdi_5 .td-element-style{\r\n\t\t\t\t\tz-index: -1;\r\n\t\t\t\t}.tdi_5.td-a-rec-img{\r\n\t\t\t\t    text-align: left;\r\n\t\t\t\t}.tdi_5.td-a-rec-img img{\r\n                    margin: 0 auto 0 0;\r\n                }@media (max-width: 767px) {\r\n\t\t\t\t    .tdi_5.td-a-rec-img {\r\n\t\t\t\t        text-align: center;\r\n\t\t\t\t    }\r\n                }\n<\/style><script type=\"text\/javascript\">\nvar td_screen_width = window.innerWidth;\nwindow.addEventListener(\"load\", function(){            \r\n\t            var placeAdEl = document.getElementById(\"td-ad-placeholder\");\r\n\t\t\t    if ( null !== placeAdEl && td_screen_width >= 1140 ) {\r\n\t\t\t        \r\n\t\t\t        \/* large monitors *\/\r\n\t\t\t        var adEl = document.createElement(\"ins\");\r\n\t\t            placeAdEl.replaceWith(adEl);\t\r\n\t\t            adEl.setAttribute(\"class\", \"adsbygoogle\");\r\n\t\t            adEl.setAttribute(\"style\", \"display:inline-block;width:300px;height:250px\");\t            \t\t                \r\n\t\t            adEl.setAttribute(\"data-ad-client\", \"ca-pub-8428072374152349\");\r\n\t\t            adEl.setAttribute(\"data-ad-slot\", \"9005325462\");\t            \r\n\t\t\t        (adsbygoogle = window.adsbygoogle || []).push({});\r\n\t\t\t    }\r\n\t\t\t});window.addEventListener(\"load\", function(){            \r\n\t            var placeAdEl = document.getElementById(\"td-ad-placeholder\");\r\n\t\t\t    if ( null !== placeAdEl && td_screen_width >= 1019  && td_screen_width < 1140 ) {\r\n\t\t\t    \r\n\t\t\t        \/* landscape tablets *\/\r\n\t\t\t        var adEl = document.createElement(\"ins\");\r\n\t\t            placeAdEl.replaceWith(adEl);\t\r\n\t\t            adEl.setAttribute(\"class\", \"adsbygoogle\");\r\n\t\t            adEl.setAttribute(\"style\", \"display:inline-block;width:300px;height:250px\");\t            \t\t                \r\n\t\t            adEl.setAttribute(\"data-ad-client\", \"ca-pub-8428072374152349\");\r\n\t\t            adEl.setAttribute(\"data-ad-slot\", \"9005325462\");\t            \r\n\t\t\t        (adsbygoogle = window.adsbygoogle || []).push({});\r\n\t\t\t    }\r\n\t\t\t});window.addEventListener(\"load\", function(){            \r\n\t            var placeAdEl = document.getElementById(\"td-ad-placeholder\");\r\n\t\t\t    if ( null !== placeAdEl && td_screen_width >= 768  && td_screen_width < 1019 ) {\r\n\t\t\t    \r\n\t\t\t        \/* portrait tablets *\/\r\n\t\t\t        var adEl = document.createElement(\"ins\");\r\n\t\t            placeAdEl.replaceWith(adEl);\t\r\n\t\t            adEl.setAttribute(\"class\", \"adsbygoogle\");\r\n\t\t            adEl.setAttribute(\"style\", \"display:inline-block;width:300px;height:250px\");\t            \t\t                \r\n\t\t            adEl.setAttribute(\"data-ad-client\", \"ca-pub-8428072374152349\");\r\n\t\t            adEl.setAttribute(\"data-ad-slot\", \"9005325462\");\t            \r\n\t\t\t        (adsbygoogle = window.adsbygoogle || []).push({});\r\n\t\t\t    }\r\n\t\t\t});window.addEventListener(\"load\", function(){            \r\n\t            var placeAdEl = document.getElementById(\"td-ad-placeholder\");\r\n\t\t\t    if ( null !== placeAdEl && td_screen_width < 768 ) {\r\n\t\t\t    \r\n\t\t\t        \/* Phones *\/\r\n\t\t\t        var adEl = document.createElement(\"ins\");\r\n\t\t            placeAdEl.replaceWith(adEl);\t\r\n\t\t            adEl.setAttribute(\"class\", \"adsbygoogle\");\r\n\t\t            adEl.setAttribute(\"style\", \"display:inline-block;width:300px;height:250px\");\t            \t\t                \r\n\t\t            adEl.setAttribute(\"data-ad-client\", \"ca-pub-8428072374152349\");\r\n\t\t            adEl.setAttribute(\"data-ad-slot\", \"9005325462\");\t            \r\n\t\t\t        (adsbygoogle = window.adsbygoogle || []).push({});\r\n\t\t\t    }\r\n\t\t\t});<\/script>\n<noscript id=\"td-ad-placeholder\"><\/noscript><\/div>\n\n <!-- end A --> \n\n[vc_column_text css=&#8221;.vc_custom_1663832852819{margin-bottom: 0px !important;padding-top: 10px !important;padding-bottom: 0px !important;}&#8221;]\r\n<h4><strong>System overview<\/strong><\/h4>\r\nFirst, the correctness of the system is checked, in our case, the operation of the main beam on the vehicle. If turning on the main beam headlights switch does not turn on both lights, the electrical diagram shows that the relay is one of the possible malfunctions.\r\n\r\nFrom the information system, we get to know the position of the lighting relay on the vehicle. We remove the relay from the plate and perform a visual inspection of the exterior of the housing and connectors. If the relay is visibly damaged, replace it with a new one.\r\n<h4><strong>Testing the relay socket on the plate<\/strong><\/h4>\r\nWe determine the arrangement of connections (numbers) on the relay socket.\r\n\r\nFirst, we check the voltage between terminals 85 and 86. We connect the voltmeter and turn on the main beam switch. If the measured voltage is 0 V, there is a fault in the power supply of the relay coil. It is necessary to carry out additional tests and determine the location of the failure. If the measured nominal voltage is 12 V, the power supply to the relay coil is correct.\r\n\r\nThen there is a check of the main beam power supply via the relay. Short-circuit terminals 30 and 87 are on the relay socket. We turn on the main beam through. If the main beam bulbs do not light up, there is a fault in the power supply of the bulbs. It is necessary to carry out additional tests and locate the fault. If the main beam bulbs light up,\u00a0 the relay socket is correct, and we move on to testing the relay itself.\r\n<h4><strong>Testing the relay on the workbench<\/strong><\/h4>\r\nRelay testing is done with an ohmmeter.\r\nFirst, measure the resistance of the relay coil between connectors 85 and 86. The expected resistance value is 70-120 \u03a9. For the exact value of the tested relay, use the information system. If the measured value is not within the specified limits, the relay winding is defective, and it is necessary to replace the relay with a new one. If the measured value is within the specified limits, the relay winding is correct.\r\nAfter winding, check the entire relay. A 12 V power supply is supplied to the coils of relays 85 and 86. We connect an ohmmeter to connectors 30 and 87. If the resistance is infinite after switching on the relay, the relay is faulty and needs to be replaced. If the resistance is 0 \u03a9, the relay is working.\r\n\r\nIn new vehicles, it is not allowed to use a test lamp with a light bulb due to the possible transfer of high current and damage to the ECU. Take care of the pinout when testing.[\/vc_column_text][vc_column_text css=&#8221;.vc_custom_1663832878461{margin-bottom: 0px !important;padding-bottom: 0px !important;}&#8221;]To perform a relay test, follow these steps:[\/vc_column_text]<div class=\"wpb_wrapper td_block_separator td_block_wrap vc_separator vc_custom_1547273226249 tdi_7  td_separator_solid td_separator_center\"><span style=\"border-color:orange;border-width:1px;width:100%;\"><\/span>\n<style scoped>\n\/* custom css - generated by TagDiv Composer *\/\n\n\/* tdc_composer_block - inline css att *\/\n.vc_custom_1547273226249{margin-top: 10px !important;margin-bottom: 10px !important;}\n\/* custom css - generated by TagDiv Composer *\/\n\/* custom css - generated by TagDiv Composer *\/\n.td_block_separator{\r\n                  width: 100%;\r\n                  align-items: center;\r\n                  margin-bottom: 38px;\r\n                  padding-bottom: 10px;\r\n                }.td_block_separator span{\r\n                  position: relative;\r\n                  display: block;\r\n                  margin: 0 auto;\r\n                  width: 100%;\r\n                  height: 1px;\r\n                  border-top: 1px solid #EBEBEB;\r\n                }.td_separator_align_left span{\r\n                  margin-left: 0;\r\n                }.td_separator_align_right span{\r\n                  margin-right: 0;\r\n                }.td_separator_dashed span{\r\n                  border-top-style: dashed;\r\n                }.td_separator_dotted span{\r\n                  border-top-style: dotted;\r\n                }.td_separator_double span{\r\n                  height: 3px;\r\n                  border-bottom: 1px solid #EBEBEB;\r\n                }.td_separator_shadow > span{\r\n                  position: relative;\r\n                  height: 20px;\r\n                  overflow: hidden;\r\n                  border: 0;\r\n                  color: #EBEBEB;\r\n                }.td_separator_shadow > span > span{\r\n                  position: absolute;\r\n                  top: -30px;\r\n                  left: 0;\r\n                  right: 0;\r\n                  margin: 0 auto;\r\n                  height: 13px;\r\n                  width: 98%;\r\n                  border-radius: 100%;\r\n                }html :where([style*='border-width']){\r\n                    border-style: none;\r\n                }\n<\/style><\/div><div class=\"vc_row_inner vc_custom_1547186073072 tdi_9  vc_row vc_inner wpb_row td-pb-row\" >\n<style scoped>\n\/* custom css - generated by TagDiv Composer *\/\n\n\/* tdc_composer_block - inline css att *\/\n.vc_custom_1547186073072{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 0px !important;padding-bottom: 0px !important;}\n\/* custom css - generated by TagDiv Composer *\/\n\/* custom css - generated by TagDiv Composer *\/\n.tdi_9{\r\n                    position: relative !important;\r\n                    top: 0;\r\n                    transform: none;\r\n                    -webkit-transform: none;\r\n                }.tdi_9,\r\n\t\t\t\t.tdi_9 .tdc-inner-columns{\r\n\t\t\t\t    display: block;\r\n\t\t\t\t}.tdi_9 .tdc-inner-columns{\r\n\t\t\t\t    width: 100%;\r\n\t\t\t\t}\n<\/style><div class=\"vc_column_inner vc_custom_1546699675319 tdi_11  wpb_column vc_column_container tdc-inner-column td-pb-span4\">\n<style scoped>\n\/* custom css - generated by TagDiv Composer *\/\n\n\/* tdc_composer_block - inline css att *\/\n.vc_custom_1546699675319{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 0px !important;padding-bottom: 0px !important;}\n\/* custom css - generated by TagDiv Composer *\/\n\/* custom css - generated by TagDiv Composer *\/\n.tdi_11{\r\n                    vertical-align: baseline;\r\n                }.tdi_11 .vc_column-inner > .wpb_wrapper,\r\n\t\t\t\t.tdi_11 .vc_column-inner > .wpb_wrapper .tdc-elements{\r\n\t\t\t\t    display: block;\r\n\t\t\t\t}.tdi_11 .vc_column-inner > .wpb_wrapper .tdc-elements{\r\n\t\t\t\t    width: 100%;\r\n\t\t\t\t}\n<\/style><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\" >[vc_single_image image=&#8221;12891&#8243; img_size=&#8221;&#8221; alignment=&#8221;center&#8221; onclick=&#8221;img_link_large&#8221; media_size_image_height=&#8221;169&#8243; media_size_image_width=&#8221;300&#8243; size=&#8221;&#8221; width=&#8221;100%&#8221; tdc_css=&#8221;eyJhbGwiOnsibWFyZ2luLXRvcCI6IjAiLCJtYXJnaW4tYm90dG9tIjoiMCIsInBhZGRpbmctdG9wIjoiMCIsInBhZGRpbmctYm90dG9tIjoiMCIsImRpc3BsYXkiOiIifX0=&#8221; height=&#8221;100%&#8221; el_id=&#8221;koraci&#8221;]<\/div><\/div><\/div><div class=\"vc_column_inner vc_custom_1547277311732 tdi_13  wpb_column vc_column_container tdc-inner-column td-pb-span8\">\n<style scoped>\n\/* custom css - generated by TagDiv Composer *\/\n\n\/* tdc_composer_block - inline css att *\/\n.vc_custom_1547277311732{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;}\n\/* custom css - generated by TagDiv Composer *\/\n\/* custom css - generated by TagDiv Composer *\/\n.tdi_13{\r\n                    vertical-align: baseline;\r\n                }.tdi_13 .vc_column-inner > .wpb_wrapper,\r\n\t\t\t\t.tdi_13 .vc_column-inner > .wpb_wrapper .tdc-elements{\r\n\t\t\t\t    display: block;\r\n\t\t\t\t}.tdi_13 .vc_column-inner > .wpb_wrapper .tdc-elements{\r\n\t\t\t\t    width: 100%;\r\n\t\t\t\t}\n<\/style><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\" >[vc_column_text css=&#8221;.vc_custom_1663832919836{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 0px !important;padding-bottom: 0px !important;}&#8221;]<strong><u><img decoding=\"async\" class=\"alignnone wp-image-904\" src=\"https:\/\/autoedu.info\/wp-content\/uploads\/2019\/01\/icons8-1-480-300x300.png\" sizes=\"(max-width: 40px) 100vw, 40px\" srcset=\"https:\/\/autoedu.info\/wp-content\/uploads\/2019\/01\/icons8-1-480-300x300.png 300w, https:\/\/autoedu.info\/wp-content\/uploads\/2019\/01\/icons8-1-480-150x150.png 150w, https:\/\/autoedu.info\/wp-content\/uploads\/2019\/01\/icons8-1-480-356x364.png 356w, https:\/\/autoedu.info\/wp-content\/uploads\/2019\/01\/icons8-1-480.png 480w, https:\/\/autoedu.info\/wp-content\/uploads\/2019\/01\/icons8-1-480-420x420.png 420w\" alt=\"\" width=\"40\" height=\"40\" align=\"absmiddle\" \/>System overview\r\n<\/u><\/strong>\r\n\r\nCheck the correctness of the system. Get to know the wiring diagram of the system. Determine the location of the relay on the vehicle. We remove the relay from the plate and perform a visual check of the state of the relay. If the relay is visibly damaged, replace it with a new one.[\/vc_column_text]<\/div><\/div><\/div><\/div><div class=\"wpb_wrapper td_block_separator td_block_wrap vc_separator vc_custom_1547273226249 tdi_15  td_separator_solid td_separator_center\"><span style=\"border-color:orange;border-width:1px;width:100%;\"><\/span>\n<style scoped>\n\/* custom css - generated by TagDiv Composer *\/\n\n\/* tdc_composer_block - inline css att *\/\n.vc_custom_1547273226249{margin-top: 10px !important;margin-bottom: 10px !important;}\n<\/style><\/div><div class=\"vc_row_inner vc_custom_1547186073072 tdi_17  vc_row vc_inner wpb_row td-pb-row\" >\n<style scoped>\n\/* custom css - generated by TagDiv Composer *\/\n\n\/* tdc_composer_block - inline css att *\/\n.vc_custom_1547186073072{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 0px !important;padding-bottom: 0px !important;}\n\/* custom css - generated by TagDiv Composer *\/\n\/* custom css - generated by TagDiv Composer *\/\n.tdi_17{\r\n                    position: relative !important;\r\n                    top: 0;\r\n                    transform: none;\r\n                    -webkit-transform: none;\r\n                }.tdi_17,\r\n\t\t\t\t.tdi_17 .tdc-inner-columns{\r\n\t\t\t\t    display: block;\r\n\t\t\t\t}.tdi_17 .tdc-inner-columns{\r\n\t\t\t\t    width: 100%;\r\n\t\t\t\t}\n<\/style><div class=\"vc_column_inner vc_custom_1546699675319 tdi_19  wpb_column vc_column_container tdc-inner-column td-pb-span4\">\n<style scoped>\n\/* custom css - generated by TagDiv Composer *\/\n\n\/* tdc_composer_block - inline css att *\/\n.vc_custom_1546699675319{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 0px !important;padding-bottom: 0px !important;}\n\/* custom css - generated by TagDiv Composer *\/\n\/* custom css - generated by TagDiv Composer *\/\n.tdi_19{\r\n                    vertical-align: baseline;\r\n                }.tdi_19 .vc_column-inner > .wpb_wrapper,\r\n\t\t\t\t.tdi_19 .vc_column-inner > .wpb_wrapper .tdc-elements{\r\n\t\t\t\t    display: block;\r\n\t\t\t\t}.tdi_19 .vc_column-inner > .wpb_wrapper .tdc-elements{\r\n\t\t\t\t    width: 100%;\r\n\t\t\t\t}\n<\/style><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\" >[vc_single_image image=&#8221;12894&#8243; img_size=&#8221;&#8221; alignment=&#8221;center&#8221; onclick=&#8221;img_link_large&#8221; media_size_image_height=&#8221;169&#8243; media_size_image_width=&#8221;300&#8243; size=&#8221;&#8221; width=&#8221;100%&#8221; tdc_css=&#8221;eyJhbGwiOnsibWFyZ2luLXRvcCI6IjAiLCJtYXJnaW4tYm90dG9tIjoiMCIsInBhZGRpbmctdG9wIjoiMCIsInBhZGRpbmctYm90dG9tIjoiMCIsImRpc3BsYXkiOiIifX0=&#8221; height=&#8221;100%&#8221; el_id=&#8221;koraci&#8221;]<\/div><\/div><\/div><div class=\"vc_column_inner vc_custom_1547277311732 tdi_21  wpb_column vc_column_container tdc-inner-column td-pb-span8\">\n<style scoped>\n\/* custom css - generated by TagDiv Composer *\/\n\n\/* tdc_composer_block - inline css att *\/\n.vc_custom_1547277311732{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;}\n\/* custom css - generated by TagDiv Composer *\/\n\/* custom css - generated by TagDiv Composer *\/\n.tdi_21{\r\n                    vertical-align: baseline;\r\n                }.tdi_21 .vc_column-inner > .wpb_wrapper,\r\n\t\t\t\t.tdi_21 .vc_column-inner > .wpb_wrapper .tdc-elements{\r\n\t\t\t\t    display: block;\r\n\t\t\t\t}.tdi_21 .vc_column-inner > .wpb_wrapper .tdc-elements{\r\n\t\t\t\t    width: 100%;\r\n\t\t\t\t}\n<\/style><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\" >[vc_column_text css=&#8221;.vc_custom_1663832971791{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 0px !important;padding-bottom: 0px !important;}&#8221;]<strong><u><img decoding=\"async\" class=\"alignnone wp-image-905\" src=\"https:\/\/autoedu.info\/wp-content\/uploads\/2019\/01\/icons8-2-480-300x300.png\" sizes=\"(max-width: 40px) 100vw, 40px\" srcset=\"https:\/\/autoedu.info\/wp-content\/uploads\/2019\/01\/icons8-2-480-300x300.png 300w, https:\/\/autoedu.info\/wp-content\/uploads\/2019\/01\/icons8-2-480-150x150.png 150w, https:\/\/autoedu.info\/wp-content\/uploads\/2019\/01\/icons8-2-480-356x364.png 356w, https:\/\/autoedu.info\/wp-content\/uploads\/2019\/01\/icons8-2-480.png 480w, https:\/\/autoedu.info\/wp-content\/uploads\/2019\/01\/icons8-2-480-420x420.png 420w\" alt=\"\" width=\"40\" height=\"40\" align=\"absmiddle\" \/>Testing of the relay socket\r\n<\/u><\/strong>\r\n\r\nDetermine the layout of the pins on the relay socket. Turn on the system. Measure the voltage between connectors 85 and 86. If the voltage is 0 V, perform additional tests and determine the fault. If the voltage is 12 V, short-circuit connectors 30 and 87. If the consumer does not turn it on, perform additional tests and determine the fault. If the consumer turns on, the relay socket is good and continues testing the relay.[\/vc_column_text]<\/div><\/div><\/div><\/div><div class=\"wpb_wrapper td_block_separator td_block_wrap vc_separator vc_custom_1547273226249 tdi_23  td_separator_solid td_separator_center\"><span style=\"border-color:orange;border-width:1px;width:100%;\"><\/span>\n<style scoped>\n\/* custom css - generated by TagDiv Composer *\/\n\n\/* tdc_composer_block - inline css att *\/\n.vc_custom_1547273226249{margin-top: 10px !important;margin-bottom: 10px !important;}\n<\/style><\/div><div class=\"vc_row_inner vc_custom_1547186073072 tdi_25  vc_row vc_inner wpb_row td-pb-row\" >\n<style scoped>\n\/* custom css - generated by TagDiv Composer *\/\n\n\/* tdc_composer_block - inline css att *\/\n.vc_custom_1547186073072{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 0px !important;padding-bottom: 0px !important;}\n\/* custom css - generated by TagDiv Composer *\/\n\/* custom css - generated by TagDiv Composer *\/\n.tdi_25{\r\n                    position: relative !important;\r\n                    top: 0;\r\n                    transform: none;\r\n                    -webkit-transform: none;\r\n                }.tdi_25,\r\n\t\t\t\t.tdi_25 .tdc-inner-columns{\r\n\t\t\t\t    display: block;\r\n\t\t\t\t}.tdi_25 .tdc-inner-columns{\r\n\t\t\t\t    width: 100%;\r\n\t\t\t\t}\n<\/style><div class=\"vc_column_inner vc_custom_1546699675319 tdi_27  wpb_column vc_column_container tdc-inner-column td-pb-span4\">\n<style scoped>\n\/* custom css - generated by TagDiv Composer *\/\n\n\/* tdc_composer_block - inline css att *\/\n.vc_custom_1546699675319{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 0px !important;padding-bottom: 0px !important;}\n\/* custom css - generated by TagDiv Composer *\/\n\/* custom css - generated by TagDiv Composer *\/\n.tdi_27{\r\n                    vertical-align: baseline;\r\n                }.tdi_27 .vc_column-inner > .wpb_wrapper,\r\n\t\t\t\t.tdi_27 .vc_column-inner > .wpb_wrapper .tdc-elements{\r\n\t\t\t\t    display: block;\r\n\t\t\t\t}.tdi_27 .vc_column-inner > .wpb_wrapper .tdc-elements{\r\n\t\t\t\t    width: 100%;\r\n\t\t\t\t}\n<\/style><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\" >[vc_single_image image=&#8221;12894&#8243; img_size=&#8221;&#8221; alignment=&#8221;center&#8221; onclick=&#8221;img_link_large&#8221; media_size_image_height=&#8221;169&#8243; media_size_image_width=&#8221;300&#8243; size=&#8221;&#8221; width=&#8221;100%&#8221; tdc_css=&#8221;eyJhbGwiOnsibWFyZ2luLXRvcCI6IjAiLCJtYXJnaW4tYm90dG9tIjoiMCIsInBhZGRpbmctdG9wIjoiMCIsInBhZGRpbmctYm90dG9tIjoiMCIsImRpc3BsYXkiOiIifX0=&#8221; height=&#8221;100%&#8221; el_id=&#8221;koraci&#8221;]<\/div><\/div><\/div><div class=\"vc_column_inner vc_custom_1547277311732 tdi_29  wpb_column vc_column_container tdc-inner-column td-pb-span8\">\n<style scoped>\n\/* custom css - generated by TagDiv Composer *\/\n\n\/* tdc_composer_block - inline css att *\/\n.vc_custom_1547277311732{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;}\n\/* custom css - generated by TagDiv Composer *\/\n\/* custom css - generated by TagDiv Composer *\/\n.tdi_29{\r\n                    vertical-align: baseline;\r\n                }.tdi_29 .vc_column-inner > .wpb_wrapper,\r\n\t\t\t\t.tdi_29 .vc_column-inner > .wpb_wrapper .tdc-elements{\r\n\t\t\t\t    display: block;\r\n\t\t\t\t}.tdi_29 .vc_column-inner > .wpb_wrapper .tdc-elements{\r\n\t\t\t\t    width: 100%;\r\n\t\t\t\t}\n<\/style><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\" >[vc_column_text css=&#8221;.vc_custom_1663833020039{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 0px !important;padding-bottom: 0px !important;}&#8221;]<strong><u><img decoding=\"async\" class=\"alignnone wp-image-906\" src=\"https:\/\/autoedu.info\/wp-content\/uploads\/2019\/01\/icons8-3-480-300x300.png\" sizes=\"(max-width: 40px) 100vw, 40px\" srcset=\"https:\/\/autoedu.info\/wp-content\/uploads\/2019\/01\/icons8-3-480-300x300.png 300w, https:\/\/autoedu.info\/wp-content\/uploads\/2019\/01\/icons8-3-480-150x150.png 150w, https:\/\/autoedu.info\/wp-content\/uploads\/2019\/01\/icons8-3-480-356x364.png 356w, https:\/\/autoedu.info\/wp-content\/uploads\/2019\/01\/icons8-3-480.png 480w, https:\/\/autoedu.info\/wp-content\/uploads\/2019\/01\/icons8-3-480-420x420.png 420w\" alt=\"\" width=\"40\" height=\"40\" align=\"absmiddle\" \/>Testing the relay on the workbench\r\n<\/u><\/strong>\r\n\r\nMeasure the resistance of the relay coil between connectors 85 and 86. If the resistance is 0 V, replace the relay with a new one. If the measured resistance is 70-120 \u03a9, check the relay switch. Connect a 12 V supply to connectors 85 and 86 and measure the resistance between 30 and 87. If the resistance is 0 \u03a9, the relay is working. If the resistance is infinite, the relay is faulty and replaced with a new one. After replacing the relay, check the correctness of the system.[\/vc_column_text]<\/div><\/div><\/div><\/div><div class=\"wpb_wrapper td_block_separator td_block_wrap vc_separator vc_custom_1547273226249 tdi_31  td_separator_solid td_separator_center\"><span style=\"border-color:orange;border-width:1px;width:100%;\"><\/span>\n<style scoped>\n\/* custom css - generated by TagDiv Composer *\/\n\n\/* tdc_composer_block - inline css att *\/\n.vc_custom_1547273226249{margin-top: 10px !important;margin-bottom: 10px !important;}\n<\/style><\/div><\/div><\/div><div class=\"vc_column tdi_33  wpb_column vc_column_container tdc-column td-pb-span4\">\n<style scoped>\n\/* custom css - generated by TagDiv Composer *\/\n\n\/* custom css - generated by TagDiv Composer *\/\n\/* custom css - generated by TagDiv Composer *\/\n.tdi_33{\r\n                    vertical-align: baseline;\r\n                }.tdi_33 > .wpb_wrapper,\r\n\t\t\t\t.tdi_33 > .wpb_wrapper > .tdc-elements{\r\n\t\t\t\t    display: block;\r\n\t\t\t\t}.tdi_33 > .wpb_wrapper > .tdc-elements{\r\n\t\t\t\t    width: 100%;\r\n\t\t\t\t}.tdi_33 > .wpb_wrapper > .vc_row_inner{\r\n\t\t\t\t    width: auto;\r\n\t\t\t\t}.tdi_33 > .wpb_wrapper{\r\n\t\t\t\t    width: auto;\r\n\t\t\t\t    height: auto;\r\n\t\t\t\t}\n<\/style><div class=\"wpb_wrapper\" >[vc_column_text css=&#8221;.vc_custom_1663833216461{margin-bottom: 0px !important;padding-bottom: 0px !important;background-color: #000000 !important;}&#8221;]\r\n<p style=\"text-align: center;\"><span style=\"color: #ffffff;\">See also<\/span><\/p>\r\n[\/vc_column_text][vc_single_image image=&#8221;13718&#8243; img_size=&#8221;&#8221; alignment=&#8221;center&#8221; onclick=&#8221;custom_link&#8221; tdc_css=&#8221;eyJhbGwiOnsibWFyZ2luLXRvcCI6IjAiLCJtYXJnaW4tYm90dG9tIjoiMCIsInBhZGRpbmctdG9wIjoiMCIsInBhZGRpbmctYm90dG9tIjoiMCIsImRpc3BsYXkiOiIifX0=&#8221; media_size_image_height=&#8221;200&#8243; media_size_image_width=&#8221;300&#8243; image_url=&#8221;https:\/\/autoedu.info\/oprema-i-alati\/alat\/rucni-alati\/izvlakaci\/&#8221; size=&#8221;contain&#8221; height=&#8221;40%&#8221; link=&#8221;https:\/\/autoedu.info\/en\/equipment-and-tools\/measuring-equipment\/circuit-tester-probe\/&#8221;][vc_single_image image=&#8221;13526&#8243; img_size=&#8221;&#8221; alignment=&#8221;center&#8221; onclick=&#8221;custom_link&#8221; tdc_css=&#8221;eyJhbGwiOnsibWFyZ2luLXRvcCI6IjAiLCJtYXJnaW4tYm90dG9tIjoiMCIsInBhZGRpbmctdG9wIjoiMCIsInBhZGRpbmctYm90dG9tIjoiMCIsImRpc3BsYXkiOiIifX0=&#8221; media_size_image_height=&#8221;200&#8243; media_size_image_width=&#8221;300&#8243; image_url=&#8221;https:\/\/autoedu.info\/oprema-i-alati\/alat\/rucni-alati\/izvlakaci\/&#8221; size=&#8221;contain&#8221; height=&#8221;40%&#8221; link=&#8221;https:\/\/autoedu.info\/en\/auto-mechanic\/brakes\/hydraulic-braking-system\/brake-fluid-boiling-point-test\/&#8221;][vc_single_image image=&#8221;13391&#8243; img_size=&#8221;&#8221; alignment=&#8221;center&#8221; onclick=&#8221;custom_link&#8221; tdc_css=&#8221;eyJhbGwiOnsibWFyZ2luLXRvcCI6IjAiLCJtYXJnaW4tYm90dG9tIjoiMCIsInBhZGRpbmctdG9wIjoiMCIsInBhZGRpbmctYm90dG9tIjoiMCIsImRpc3BsYXkiOiIifX0=&#8221; media_size_image_height=&#8221;200&#8243; media_size_image_width=&#8221;300&#8243; image_url=&#8221;https:\/\/autoedu.info\/oprema-i-alati\/alat\/rucni-alati\/izvlakaci\/&#8221; size=&#8221;contain&#8221; height=&#8221;40%&#8221; link=&#8221;https:\/\/autoedu.info\/en\/auto-electric\/alternator\/test-of-ecu-controlled-charging-system\/&#8221;]\n <!-- A generated by theme --> \n\n<script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script><div class=\"td-g-rec td-g-rec-id-sidebar tdi_34 td_block_template_1 \">\n\n<style>\n\/* custom css - generated by TagDiv Composer *\/\n\/* custom css - generated by TagDiv Composer *\/\n.tdi_34.td-a-rec{\r\n\t\t\t\t\ttext-align: center;\r\n\t\t\t\t}.tdi_34.td-a-rec:not(.td-a-rec-no-translate){\r\n\t\t\t\t    transform: translateZ(0);\r\n\t\t\t\t}.tdi_34 .td-element-style{\r\n\t\t\t\t\tz-index: -1;\r\n\t\t\t\t}.tdi_34.td-a-rec-img{\r\n\t\t\t\t    text-align: left;\r\n\t\t\t\t}.tdi_34.td-a-rec-img img{\r\n                    margin: 0 auto 0 0;\r\n                }@media (max-width: 767px) {\r\n\t\t\t\t    .tdi_34.td-a-rec-img {\r\n\t\t\t\t        text-align: center;\r\n\t\t\t\t    }\r\n                }\n<\/style><script type=\"text\/javascript\">\nvar td_screen_width = window.innerWidth;\nwindow.addEventListener(\"load\", function(){            \r\n\t            var placeAdEl = document.getElementById(\"td-ad-placeholder\");\r\n\t\t\t    if ( null !== placeAdEl && td_screen_width >= 1140 ) {\r\n\t\t\t        \r\n\t\t\t        \/* large monitors *\/\r\n\t\t\t        var adEl = document.createElement(\"ins\");\r\n\t\t            placeAdEl.replaceWith(adEl);\t\r\n\t\t            adEl.setAttribute(\"class\", \"adsbygoogle\");\r\n\t\t            adEl.setAttribute(\"style\", \"display:inline-block;width:300px;height:250px\");\t            \t\t                \r\n\t\t            adEl.setAttribute(\"data-ad-client\", \"ca-pub-8428072374152349\");\r\n\t\t            adEl.setAttribute(\"data-ad-slot\", \"9005325462\");\t            \r\n\t\t\t        (adsbygoogle = window.adsbygoogle || []).push({});\r\n\t\t\t    }\r\n\t\t\t});window.addEventListener(\"load\", function(){            \r\n\t            var placeAdEl = document.getElementById(\"td-ad-placeholder\");\r\n\t\t\t    if ( null !== placeAdEl && td_screen_width >= 1019  && td_screen_width < 1140 ) {\r\n\t\t\t    \r\n\t\t\t        \/* landscape tablets *\/\r\n\t\t\t        var adEl = document.createElement(\"ins\");\r\n\t\t            placeAdEl.replaceWith(adEl);\t\r\n\t\t            adEl.setAttribute(\"class\", \"adsbygoogle\");\r\n\t\t            adEl.setAttribute(\"style\", \"display:inline-block;width:300px;height:250px\");\t            \t\t                \r\n\t\t            adEl.setAttribute(\"data-ad-client\", \"ca-pub-8428072374152349\");\r\n\t\t            adEl.setAttribute(\"data-ad-slot\", \"9005325462\");\t            \r\n\t\t\t        (adsbygoogle = window.adsbygoogle || []).push({});\r\n\t\t\t    }\r\n\t\t\t});window.addEventListener(\"load\", function(){            \r\n\t            var placeAdEl = document.getElementById(\"td-ad-placeholder\");\r\n\t\t\t    if ( null !== placeAdEl && td_screen_width >= 768  && td_screen_width < 1019 ) {\r\n\t\t\t    \r\n\t\t\t        \/* portrait tablets *\/\r\n\t\t\t        var adEl = document.createElement(\"ins\");\r\n\t\t            placeAdEl.replaceWith(adEl);\t\r\n\t\t            adEl.setAttribute(\"class\", \"adsbygoogle\");\r\n\t\t            adEl.setAttribute(\"style\", \"display:inline-block;width:200px;height:200px\");\t            \t\t                \r\n\t\t            adEl.setAttribute(\"data-ad-client\", \"ca-pub-8428072374152349\");\r\n\t\t            adEl.setAttribute(\"data-ad-slot\", \"9005325462\");\t            \r\n\t\t\t        (adsbygoogle = window.adsbygoogle || []).push({});\r\n\t\t\t    }\r\n\t\t\t});window.addEventListener(\"load\", function(){            \r\n\t            var placeAdEl = document.getElementById(\"td-ad-placeholder\");\r\n\t\t\t    if ( null !== placeAdEl && td_screen_width < 768 ) {\r\n\t\t\t    \r\n\t\t\t        \/* Phones *\/\r\n\t\t\t        var adEl = document.createElement(\"ins\");\r\n\t\t            placeAdEl.replaceWith(adEl);\t\r\n\t\t            adEl.setAttribute(\"class\", \"adsbygoogle\");\r\n\t\t            adEl.setAttribute(\"style\", \"display:inline-block;width:300px;height:250px\");\t            \t\t                \r\n\t\t            adEl.setAttribute(\"data-ad-client\", \"ca-pub-8428072374152349\");\r\n\t\t            adEl.setAttribute(\"data-ad-slot\", \"9005325462\");\t            \r\n\t\t\t        (adsbygoogle = window.adsbygoogle || []).push({});\r\n\t\t\t    }\r\n\t\t\t});<\/script>\n<noscript id=\"td-ad-placeholder\"><\/noscript><\/div>\n\n <!-- end A --> \n\n[vc_column_text css=&#8221;.vc_custom_1663833267309{margin-bottom: 0px !important;padding-bottom: 0px !important;background-color: #000000 !important;}&#8221;]\r\n<p style=\"text-align: center;\"><span style=\"color: #ffffff;\">Video recommendation<\/span><\/p>\r\n[\/vc_column_text]\n <!-- A generated by theme --> \n\n<script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script><div class=\"td-g-rec td-g-rec-id-custom_ad_4 tdi_35 td_block_template_1 \">\n\n<style>\n\/* custom css - generated by TagDiv Composer *\/\n\/* custom css - generated by TagDiv Composer *\/\n.tdi_35.td-a-rec{\r\n\t\t\t\t\ttext-align: center;\r\n\t\t\t\t}.tdi_35.td-a-rec:not(.td-a-rec-no-translate){\r\n\t\t\t\t    transform: translateZ(0);\r\n\t\t\t\t}.tdi_35 .td-element-style{\r\n\t\t\t\t\tz-index: -1;\r\n\t\t\t\t}.tdi_35.td-a-rec-img{\r\n\t\t\t\t    text-align: left;\r\n\t\t\t\t}.tdi_35.td-a-rec-img img{\r\n                    margin: 0 auto 0 0;\r\n                }@media (max-width: 767px) {\r\n\t\t\t\t    .tdi_35.td-a-rec-img {\r\n\t\t\t\t        text-align: center;\r\n\t\t\t\t    }\r\n                }\n<\/style><script type=\"text\/javascript\">\nvar td_screen_width = window.innerWidth;\nwindow.addEventListener(\"load\", function(){            \r\n\t            var placeAdEl = document.getElementById(\"td-ad-placeholder\");\r\n\t\t\t    if ( null !== placeAdEl && td_screen_width >= 1140 ) {\r\n\t\t\t        \r\n\t\t\t        \/* large monitors *\/\r\n\t\t\t        var adEl = document.createElement(\"ins\");\r\n\t\t            placeAdEl.replaceWith(adEl);\t\r\n\t\t            adEl.setAttribute(\"class\", \"adsbygoogle\");\r\n\t\t            adEl.setAttribute(\"style\", \"display:inline-block;width:300px;height:250px\");\t            \t\t                \r\n\t\t            adEl.setAttribute(\"data-ad-client\", \"ca-pub-8428072374152349\");\r\n\t\t            adEl.setAttribute(\"data-ad-slot\", \"9005325462\");\t            \r\n\t\t\t        (adsbygoogle = window.adsbygoogle || []).push({});\r\n\t\t\t    }\r\n\t\t\t});window.addEventListener(\"load\", function(){            \r\n\t            var placeAdEl = document.getElementById(\"td-ad-placeholder\");\r\n\t\t\t    if ( null !== placeAdEl && td_screen_width >= 1019  && td_screen_width < 1140 ) {\r\n\t\t\t    \r\n\t\t\t        \/* landscape tablets *\/\r\n\t\t\t        var adEl = document.createElement(\"ins\");\r\n\t\t            placeAdEl.replaceWith(adEl);\t\r\n\t\t            adEl.setAttribute(\"class\", \"adsbygoogle\");\r\n\t\t            adEl.setAttribute(\"style\", \"display:inline-block;width:300px;height:250px\");\t            \t\t                \r\n\t\t            adEl.setAttribute(\"data-ad-client\", \"ca-pub-8428072374152349\");\r\n\t\t            adEl.setAttribute(\"data-ad-slot\", \"9005325462\");\t            \r\n\t\t\t        (adsbygoogle = window.adsbygoogle || []).push({});\r\n\t\t\t    }\r\n\t\t\t});window.addEventListener(\"load\", function(){            \r\n\t            var placeAdEl = document.getElementById(\"td-ad-placeholder\");\r\n\t\t\t    if ( null !== placeAdEl && td_screen_width >= 768  && td_screen_width < 1019 ) {\r\n\t\t\t    \r\n\t\t\t        \/* portrait tablets *\/\r\n\t\t\t        var adEl = document.createElement(\"ins\");\r\n\t\t            placeAdEl.replaceWith(adEl);\t\r\n\t\t            adEl.setAttribute(\"class\", \"adsbygoogle\");\r\n\t\t            adEl.setAttribute(\"style\", \"display:inline-block;width:300px;height:250px\");\t            \t\t                \r\n\t\t            adEl.setAttribute(\"data-ad-client\", \"ca-pub-8428072374152349\");\r\n\t\t            adEl.setAttribute(\"data-ad-slot\", \"9005325462\");\t            \r\n\t\t\t        (adsbygoogle = window.adsbygoogle || []).push({});\r\n\t\t\t    }\r\n\t\t\t});window.addEventListener(\"load\", function(){            \r\n\t            var placeAdEl = document.getElementById(\"td-ad-placeholder\");\r\n\t\t\t    if ( null !== placeAdEl && td_screen_width < 768 ) {\r\n\t\t\t    \r\n\t\t\t        \/* Phones *\/\r\n\t\t\t        var adEl = document.createElement(\"ins\");\r\n\t\t            placeAdEl.replaceWith(adEl);\t\r\n\t\t            adEl.setAttribute(\"class\", \"adsbygoogle\");\r\n\t\t            adEl.setAttribute(\"style\", \"display:inline-block;width:300px;height:250px\");\t            \t\t                \r\n\t\t            adEl.setAttribute(\"data-ad-client\", \"ca-pub-8428072374152349\");\r\n\t\t            adEl.setAttribute(\"data-ad-slot\", \"9005325462\");\t            \r\n\t\t\t        (adsbygoogle = window.adsbygoogle || []).push({});\r\n\t\t\t    }\r\n\t\t\t});<\/script>\n<noscript id=\"td-ad-placeholder\"><\/noscript><\/div>\n\n <!-- end A --> \n\n\n <!-- A generated by theme --> \n\n<script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script><div class=\"td-g-rec td-g-rec-id-custom_ad_5 vc_custom_1548147636293 tdi_36 td_block_template_1 \">\n\n<style>\n\/* custom css - 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testing Relays are electromagnetic switches that use small currents in the coil to control significantly higher operating currents. Standard relays have four or five connectors. The markings are numerical and are 30 (permanent plus), 86 (plus on the coil), 85 minus (output from the coil), and 87 minus (output to the consumer). 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