{"id":10225,"date":"2022-03-10T20:30:54","date_gmt":"2022-03-10T20:30:54","guid":{"rendered":"https:\/\/www.hexorcism.com\/19BP\/sm2565948\/"},"modified":"2022-03-10T20:30:54","modified_gmt":"2022-03-10T20:30:54","slug":"sm2565948","status":"publish","type":"page","link":"https:\/\/www.hexorcism.com\/19BP\/sm2565948\/","title":{"rendered":"ELECTRIC PARKING BRAKE SWITCH INDICATOR LIGHT IS ON OR OFF CONSTANTLY [ELECTRIC PARKING BRAKE (US)]"},"content":{"rendered":"<div class=\"detailsTabContent\">\n<h3 class=\"c1\">ELECTRIC PARKING BRAKE SWITCH INDICATOR LIGHT IS ON OR OFF CONSTANTLY [ELECTRIC PARKING BRAKE (US)]<\/h3>\n<\/div>\n<p>SM2565948<\/p>\n<div class=\"node SERVICE_MANUALS\"><\/p>\n<div class=\"textleft\">\n<div class=\"attr CONTENT content c2\">\n<hr \/>\n<p class=\"servinfo-title-id\" align=\"right\">id040328250434<\/p>\n<p clear=\"all\">\n<table class=\"table-flame\" border=\"1\">\n<thead>\n<tr>\n<th id=\"\" align=\"center\">\n<p class=\"thead\">Troubleshooting item<\/p>\n<\/th>\n<th id=\"\" align=\"left\" colspan=\"2\">\n<p class=\"thead\">Electric parking brake switch indicator light is on or off constantly<\/p>\n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td id=\"\" align=\"center\">\n<div class=\"tbody\"><span>Description<\/span><\/div>\n<\/td>\n<td id=\"\" align=\"left\" colspan=\"2\">\n<div class=\"list\">\u2022 Electric parking brake switch indicator light is on constantly.<\/div>\n<div class=\"list\">\u2022 Electric parking brake switch indicator light is off constantly.<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td id=\"\" align=\"center\">\n<div class=\"tbody\"><span>Possible cause<\/span><\/div>\n<\/td>\n<td id=\"\" align=\"left\" colspan=\"2\">\n<div class=\"list\">\u2022 Electric parking brake switch connector or terminal malfunction<\/div>\n<div class=\"list\">\u2022 Short to ground or open circuit in electric parking brake switch indicator light power supply circuit<\/div>\n<div class=\"list\">\u2022 Electric parking brake switch malfunction<\/div>\n<div class=\"list\">\u2022 DSC HU\/CM connector or terminal malfunction<\/div>\n<div class=\"list\">\u2022 Short to ground or open circuit in electric parking brake switch indicator light control circuit<\/div>\n<div class=\"list\">\u2022 DSC HU\/CM malfunction<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td id=\"\" align=\"center\" colspan=\"3\"><img decoding=\"async\" src=\"..\/assets\/am3zzw00035116.png\" \/><\/td>\n<\/tr>\n<tr>\n<td id=\"\" align=\"center\" colspan=\"3\"><img decoding=\"async\" src=\"..\/assets\/ac5uuw00004013.png\" \/><\/td>\n<\/tr>\n<tr>\n<td id=\"\" align=\"center\" colspan=\"3\"><img decoding=\"async\" src=\"..\/assets\/am3zzw00034608.png\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><br clear=\"all\" \/><br \/>\n<a name=\"id04032825043401\" id=\"id04032825043401\"><\/a><\/p>\n<p class=\"servinfosub-title\">Diagnostic Procedure<\/p>\n<p clear=\"all\">\n<table class=\"table-flame\" border=\"1\">\n<thead>\n<tr>\n<th id=\"\" align=\"center\">\n<p class=\"thead\">Step<\/p>\n<\/th>\n<th id=\"\" align=\"center\">\n<p class=\"thead\">Inspection<\/p>\n<\/th>\n<th id=\"\" align=\"center\">\n<p class=\"thead\">Results<\/p>\n<\/th>\n<th id=\"\" align=\"center\">\n<p class=\"thead\">Action<\/p>\n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td id=\"\" align=\"center\" rowspan=\"2\">\n<div class=\"tbody\">1<\/div>\n<\/td>\n<td id=\"\" align=\"left\" rowspan=\"2\">\n<div class=\"entry-title\">VERIFY ALL SYSTEM DTCs<\/div>\n<div class=\"list\">\u2022 Switch the ignition off.<\/div>\n<div class=\"list\">\u2022 Switch the ignition ON (engine off or on) and wait for <span>10 s or more<\/span>.<\/div>\n<div class=\"list\">\u2022 Perform a DTC inspection using the M-MDS. (See <a href=\"SM2337315\">DTC INSPECTION<\/a>.)<\/div>\n<div class=\"list\">\u2022 Are any DTCs displayed?<\/div>\n<\/td>\n<td id=\"\" align=\"center\">\n<div class=\"tbody\">Yes<\/div>\n<\/td>\n<td id=\"\" align=\"left\">\n<div class=\"tbody\">Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.<\/div>\n<div class=\"tbody\">(See <a href=\"SM2763690\">DTC TABLE [DSC HU\/CM (US)]<\/a>.)<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td id=\"\" align=\"center\">\n<div class=\"tbody\">No<\/div>\n<\/td>\n<td id=\"\" align=\"left\">\n<div class=\"tbody\">Go to the next step.<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td id=\"\" align=\"center\" rowspan=\"2\">\n<div class=\"tbody\">2<\/div>\n<\/td>\n<td id=\"\" align=\"left\" rowspan=\"2\">\n<div class=\"entry-title\">VERIFY IF THE ELECTRIC PARKING BRAKE WARNING LIGHT IS TURNED ON<\/div>\n<div class=\"list\">\u2022 Verify if the electric parking brake warning light is turned on.<\/div>\n<div class=\"list\">\u2022 Is the electric parking brake warning light turned on?<\/div>\n<\/td>\n<td id=\"\" align=\"center\">\n<div class=\"tbody\">Yes<\/div>\n<\/td>\n<td id=\"\" align=\"left\">\n<div class=\"tbody\">Perform an inspection referring to \u201cELECTRIC PARKING BRAKE WARNING LIGHT TURNS ON\u201d.<\/div>\n<div class=\"tbody\">(See <a href=\"SM2565947\">ELECTRIC PARKING BRAKE WARNING LIGHT TURNS ON [ELECTRIC PARKING BRAKE (US)]<\/a>.)<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td id=\"\" align=\"center\">\n<div class=\"tbody\">No<\/div>\n<\/td>\n<td id=\"\" align=\"left\">\n<div class=\"tbody\">Go to the next step.<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td id=\"\" align=\"center\" rowspan=\"2\">\n<div class=\"tbody\">3<\/div>\n<\/td>\n<td id=\"\" align=\"left\" rowspan=\"2\">\n<div class=\"entry-title\">INSPECT ELECTRIC PARKING BRAKE SWITCH CONNECTOR CONDITION<\/div>\n<div class=\"list\">\u2022 Switch the ignition off.<\/div>\n<div class=\"list\">\u2022 Disconnect the negative battery terminal. (See <a href=\"SM2565818\">NEGATIVE BATTERY TERMINAL DISCONNECTION\/CONNECTION [(US)]<\/a>.)<\/div>\n<div class=\"list\">\u2022 Disconnect the electric parking brake switch connector.<\/div>\n<div class=\"list\">\u2022 Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.<\/div>\n<div class=\"list\">\u2022 Is the connector normal?<\/div>\n<\/td>\n<td id=\"\" align=\"center\">\n<div class=\"tbody\">Yes<\/div>\n<\/td>\n<td id=\"\" align=\"left\">\n<div class=\"tbody\">Go to the next step.<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td id=\"\" align=\"center\">\n<div class=\"tbody\">No<\/div>\n<\/td>\n<td id=\"\" align=\"left\">\n<div class=\"tbody\">Repair or replace the connector, and perform the repair completion verification.<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td id=\"\" align=\"center\" rowspan=\"2\">\n<div class=\"tbody\">4<\/div>\n<\/td>\n<td id=\"\" align=\"left\" rowspan=\"2\">\n<div class=\"entry-title\">INSPECT ELECTRIC PARKING BRAKE SWITCH INDICATOR LIGHT POWER SUPPLY CIRCUIT FOR SHORT TO GROUND AND OPEN CIRCUIT<\/div>\n<div class=\"list\">\u2022 Inspect the power supply circuit for an open circuit and short to ground. (See <a href=\"SM2337319\">CIRCUIT INSPECTION<\/a>.)<\/div>\n<div class=\"list\">\u2022 Is the circuit normal?<\/div>\n<\/td>\n<td id=\"\" align=\"center\">\n<div class=\"tbody\">Yes<\/div>\n<\/td>\n<td id=\"\" align=\"left\">\n<div class=\"tbody\">Go to the next step.<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td id=\"\" align=\"center\">\n<div class=\"tbody\">No<\/div>\n<\/td>\n<td id=\"\" align=\"left\">\n<div class=\"tbody\">Repair or replace the malfunctioning location, and perform the repair completion verification.<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td id=\"\" align=\"center\" rowspan=\"2\">\n<div class=\"tbody\">5<\/div>\n<\/td>\n<td id=\"\" align=\"left\" rowspan=\"2\">\n<div class=\"entry-title\">INSPECT ELECTRIC PARKING BRAKE SWITCH<\/div>\n<div class=\"list\">\u2022 Inspect the electric parking brake switch. (See <a href=\"SM2335190\">ELECTRIC PARKING BRAKE SWITCH INSPECTION<\/a>.)<\/div>\n<div class=\"list\">\u2022 Is the electric parking brake switch normal?<\/div>\n<\/td>\n<td id=\"\" align=\"center\">\n<div class=\"tbody\">Yes<\/div>\n<\/td>\n<td id=\"\" align=\"left\">\n<div class=\"tbody\">Go to the next step.<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td id=\"\" align=\"center\">\n<div class=\"tbody\">No<\/div>\n<\/td>\n<td id=\"\" align=\"left\">\n<div class=\"tbody\">Replace the electric parking brake switch, and perform the repair completion verification.<\/div>\n<div class=\"tbody\">(See <a href=\"SM2335188\">ELECTRIC PARKING BRAKE SWITCH REMOVAL\/INSTALLATION<\/a>.)<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td id=\"\" align=\"center\" rowspan=\"2\">\n<div class=\"tbody\">6<\/div>\n<\/td>\n<td id=\"\" align=\"left\" rowspan=\"2\">\n<div class=\"entry-title\">INSPECT DSC HU\/CM CONNECTOR CONDITION<\/div>\n<div class=\"list\">\u2022 Switch the ignition off.<\/div>\n<div class=\"list\">\u2022 Disconnect the negative battery terminal. (See <a href=\"SM2565818\">NEGATIVE BATTERY TERMINAL DISCONNECTION\/CONNECTION [(US)]<\/a>.)<\/div>\n<div class=\"list\">\u2022 Disconnect the DSC HU\/CM connector.<\/div>\n<div class=\"list\">\u2022 Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.<\/div>\n<div class=\"list\">\u2022 Is the connector normal?<\/div>\n<\/td>\n<td id=\"\" align=\"center\">\n<div class=\"tbody\">Yes<\/div>\n<\/td>\n<td id=\"\" align=\"left\">\n<div class=\"tbody\">Go to the next step.<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td id=\"\" align=\"center\">\n<div class=\"tbody\">No<\/div>\n<\/td>\n<td id=\"\" align=\"left\">\n<div class=\"tbody\">Repair or replace the connector, and perform the repair completion verification.<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td id=\"\" align=\"center\" rowspan=\"2\">\n<div class=\"tbody\">7<\/div>\n<\/td>\n<td id=\"\" align=\"left\" rowspan=\"2\">\n<div class=\"entry-title\">INSPECT ELECTRIC PARKING BRAKE SWITCH INDICATOR LIGHT CONTROL CIRCUIT FOR SHORT TO GROUND AND OPEN CIRCUIT<\/div>\n<div class=\"list\">\u2022 Inspect the control circuit for an open circuit and short to ground. (See <a href=\"SM2337319\">CIRCUIT INSPECTION<\/a>.)<\/div>\n<div class=\"list\">\u2022 Is the circuit normal?<\/div>\n<\/td>\n<td id=\"\" align=\"center\">\n<div class=\"tbody\">Yes<\/div>\n<\/td>\n<td id=\"\" align=\"left\">\n<div class=\"tbody\">Replace the DSC HU\/CM, and perform the repair completion verification.<\/div>\n<div class=\"tbody\">(See <a href=\"SM2565976\">DSC HU\/CM REMOVAL\/INSTALLATION [L.H.D. (US)]<\/a>.)<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td id=\"\" align=\"center\">\n<div class=\"tbody\">No<\/div>\n<\/td>\n<td id=\"\" align=\"left\">\n<div class=\"tbody\">Repair or replace the malfunctioning location, and perform the repair completion verification.<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td id=\"\" align=\"center\" rowspan=\"2\">\n<div class=\"tbody\">Repair completion verification<\/div>\n<\/td>\n<td id=\"\" align=\"left\" rowspan=\"2\">\n<div class=\"entry-title\">VERIFY THAT MALFUNCTION SYMPTOMS DO NOT RECUR AFTER REPAIR<\/div>\n<div class=\"list\">\u2022 Install\/connect the part removed\/disconnected during the troubleshooting procedure.<\/div>\n<div class=\"list\">\u2022 Has the malfunction symptom been eliminated?<\/div>\n<\/td>\n<td id=\"\" align=\"center\">\n<div class=\"tbody\">Yes<\/div>\n<\/td>\n<td id=\"\" align=\"left\">\n<div class=\"tbody\">Complete the symptom troubleshooting.<\/div>\n<div class=\"tbody\">Explain to the customer what has been repaired.<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td id=\"\" align=\"center\">\n<div class=\"tbody\">No<\/div>\n<\/td>\n<td id=\"\" align=\"left\">\n<div class=\"tbody\">Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.<\/div>\n<div class=\"tbody\">(See <a href=\"SM2566441\">CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [(US)]<\/a>.)<\/div>\n<div class=\"tbody\">If the CAN communication is normal, perform the diagnosis from Step 1.<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"ATTACHMENTS\"><\/div>\n<div class=\"attr VTOC_FILENAME content c2\"><!--\n                        am3zz040328w0000030 --><\/div>\n<div class=\"attr SIE_ID content c2\"><!--\n                        id040328250434.ent --><\/div>\n<p><!--\n*****************************\nERROR: Schema not found. TYPE=META REFERENCEKEY=SERVICE_MANUALS ROOT=null\n*****************************\n--><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>ELECTRIC PARKING BRAKE SWITCH INDICATOR LIGHT IS ON OR OFF CONSTANTLY [ELECTRIC PARKING BRAKE (US)] SM2565948 id040328250434 Troubleshooting item Electric parking brake switch indicator light is on or off constantly Description \u2022 Electric parking brake switch indicator light is on constantly. \u2022 Electric parking brake switch indicator light is off constantly. Possible cause \u2022 Electric parking brake switch connector or terminal malfunction \u2022 Short to ground or open circuit in electric parking brake switch indicator [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-10225","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/pages\/10225","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/comments?post=10225"}],"version-history":[{"count":0,"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/pages\/10225\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/media?parent=10225"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}