{"id":10228,"date":"2022-03-10T20:30:54","date_gmt":"2022-03-10T20:30:54","guid":{"rendered":"https:\/\/www.hexorcism.com\/19BP\/sm2565951\/"},"modified":"2022-03-10T20:30:54","modified_gmt":"2022-03-10T20:30:54","slug":"sm2565951","status":"publish","type":"page","link":"https:\/\/www.hexorcism.com\/19BP\/sm2565951\/","title":{"rendered":"ELECTRIC PARKING BRAKE AUTOMATIC RELEASE FUNCTION DURING ACCELERATION OPERATION TOO EARLY\/LATE ON SLOPE [ELECTRIC PARKING BRAKE (US)]"},"content":{"rendered":"
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ELECTRIC PARKING BRAKE AUTOMATIC RELEASE FUNCTION DURING ACCELERATION OPERATION TOO EARLY\/LATE ON SLOPE [ELECTRIC PARKING BRAKE (US)]<\/h3>\n<\/div>\n

SM2565951<\/p>\n

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id040328250734<\/p>\n

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Troubleshooting item<\/p>\n<\/th>\n

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Electric parking brake automatic release function during acceleration operation too early\/late on slope<\/p>\n<\/th>\n<\/tr>\n<\/thead>\n

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Description<\/span><\/div>\n<\/td>\n
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\u2022 Electric parking brake is released too early when the electric parking brake automatic release function during acceleration is operated on a slope.<\/div>\n
\u2022 Electric parking brake is released too late when the electric parking brake automatic release function during acceleration is operated on a slope.<\/div>\n<\/td>\n<\/tr>\n
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Possible cause<\/span><\/div>\n<\/td>\n
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\u2022 DSC HU\/CM malfunction<\/div>\n
\u2022 Back-up light switch connector or terminal malfunction<\/div>\n
\u2022 Back-up light switch malfunction<\/div>\n
\u2022 Open circuit in back-up light switch ground circuit<\/div>\n
\u2022 PCM connector or terminal malfunction<\/div>\n
\u2022 Short to ground in back-up light switch signal circuit<\/div>\n
\u2022 Short to power supply in back-up light switch signal circuit<\/div>\n
\u2022 PCM malfunction<\/div>\n
\u2022 Open circuit in back-up light switch signal circuit<\/div>\n<\/td>\n<\/tr>\n
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Diagnostic Procedure<\/p>\n

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Step<\/p>\n<\/th>\n

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Inspection<\/p>\n<\/th>\n

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Results<\/p>\n<\/th>\n

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Action<\/p>\n<\/th>\n<\/tr>\n<\/thead>\n

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1<\/div>\n<\/td>\n
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VERIFY ALL SYSTEM DTCs<\/div>\n
\u2022 Switch the ignition off.<\/div>\n
\u2022 Switch the ignition ON (engine off or on) and wait for 10 s or more<\/span>.<\/div>\n
\u2022 Perform a DTC inspection using the M-MDS. (See DTC INSPECTION<\/a>.)<\/div>\n
\u2022 Are any DTCs displayed?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.<\/div>\n
(See DTC TABLE [DSC HU\/CM (US)]<\/a>.)<\/div>\n<\/td>\n<\/tr>\n
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No<\/div>\n<\/td>\n
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Go to the next step.<\/div>\n<\/td>\n<\/tr>\n
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2<\/div>\n<\/td>\n
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VERIFY IF THE ELECTRIC PARKING BRAKE WARNING LIGHT IS TURNED ON<\/div>\n
\u2022 Verify if the electric parking brake warning light is turned on.<\/div>\n
\u2022 Is the electric parking brake warning light turned on?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Perform an inspection referring to \u201cELECTRIC PARKING BRAKE WARNING LIGHT TURNS ON\u201d.<\/div>\n
(See ELECTRIC PARKING BRAKE WARNING LIGHT TURNS ON [ELECTRIC PARKING BRAKE (US)]<\/a>.)<\/div>\n<\/td>\n<\/tr>\n
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No<\/div>\n<\/td>\n
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ATX:<\/div>\n
\u2022 Replace the DSC HU\/CM, and perform the repair completion verification. (See DSC HU\/CM REMOVAL\/INSTALLATION [L.H.D. (US)]<\/a>.)<\/div>\n
MTX:<\/div>\n
\u2022 Go to the next step.<\/div>\n<\/td>\n<\/tr>\n
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3<\/div>\n<\/td>\n
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VERIFY IF BACK-UP LIGHTS ARE ILLUMINATED<\/div>\n
\u2022 Shift the shift lever to the reverse position.<\/div>\n
\u2022 Are the back-up lights illuminated?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Replace the DSC HU\/CM, and perform the repair completion verification.<\/div>\n
(See DSC HU\/CM REMOVAL\/INSTALLATION [L.H.D. (US)]<\/a>.)<\/div>\n<\/td>\n<\/tr>\n
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No<\/div>\n<\/td>\n
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Go to the next step.<\/div>\n<\/td>\n<\/tr>\n
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4<\/div>\n<\/td>\n
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INSPECT BACK-UP LIGHT SWITCH CONNECTOR CONDITION<\/div>\n
\u2022 Switch the ignition off.<\/div>\n
\u2022 Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION\/CONNECTION [(US)]<\/a>.)<\/div>\n
\u2022 Disconnect the back-up light switch connector.<\/div>\n
\u2022 Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.<\/div>\n
\u2022 Is the connector normal?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Go to the next step.<\/div>\n<\/td>\n<\/tr>\n
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No<\/div>\n<\/td>\n
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Repair or replace the connector, and perform the repair completion verification.<\/div>\n<\/td>\n<\/tr>\n
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5<\/div>\n<\/td>\n
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INSPECT BACK-UP LIGHT SWITCH<\/div>\n
\u2022 Inspect the back-up light switch. (See BACK-UP LIGHT SWITCH INSPECTION<\/a>.)<\/div>\n
\u2022 Is the back-up light switch normal?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Go to the next step.<\/div>\n<\/td>\n<\/tr>\n
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No<\/div>\n<\/td>\n
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Replace the back-up light switch, and perform the repair completion verification.<\/div>\n
(See BACK-UP LIGHT SWITCH REMOVAL\/INSTALLATION [C66M-R (US)]<\/a>.)<\/div>\n<\/td>\n<\/tr>\n
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6<\/div>\n<\/td>\n
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INSPECT BACK-UP LIGHT SWITCH GROUND CIRCUIT FOR OPEN CIRCUIT<\/div>\n
\u2022 Inspect the ground circuit for an open circuit. (See CIRCUIT INSPECTION<\/a>.)<\/div>\n
\u2022 Is the circuit normal?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Go to the next step.<\/div>\n<\/td>\n<\/tr>\n
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No<\/div>\n<\/td>\n
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Repair or replace the malfunctioning location, and perform the repair completion verification.<\/div>\n<\/td>\n<\/tr>\n
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7<\/div>\n<\/td>\n
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INSPECT PCM CONNECTOR CONDITION<\/div>\n
\u2022 Disconnect the PCM connector.<\/div>\n
\u2022 Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.<\/div>\n
\u2022 Is the connector normal?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Go to the next step.<\/div>\n<\/td>\n<\/tr>\n
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No<\/div>\n<\/td>\n
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Repair or replace the connector, and perform the repair completion verification.<\/div>\n<\/td>\n<\/tr>\n
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8<\/div>\n<\/td>\n
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INSPECT BACK-UP LIGHT SWITCH SIGNAL CIRCUIT FOR SHORT TO GROUND<\/div>\n
\u2022 Inspect the signal circuit for a short to ground. (See CIRCUIT INSPECTION<\/a>.)<\/div>\n
\u2022 Is the circuit normal?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Go to the next step.<\/div>\n<\/td>\n<\/tr>\n
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No<\/div>\n<\/td>\n
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Repair or replace the malfunctioning location, and perform the repair completion verification.<\/div>\n<\/td>\n<\/tr>\n
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9<\/div>\n<\/td>\n
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INSPECT BACK-UP LIGHT SWITCH SIGNAL CIRCUIT FOR SHORT TO POWER SUPPLY<\/div>\n
\u2022 Inspect the signal circuit for a short to power supply. (See CIRCUIT INSPECTION<\/a>.)<\/div>\n
\u2022 Is the circuit normal?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Go to the next step.<\/div>\n<\/td>\n<\/tr>\n
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No<\/div>\n<\/td>\n
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Repair or replace the malfunctioning location, and perform the repair completion verification.<\/div>\n<\/td>\n<\/tr>\n
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10<\/div>\n<\/td>\n
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INSPECT BACK-UP LIGHT SWITCH SIGNAL CIRCUIT FOR OPEN CIRCUIT<\/div>\n
\u2022 Inspect the signal circuit for an open circuit. (See CIRCUIT INSPECTION<\/a>.)<\/div>\n
\u2022 Is the circuit normal?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Replace the PCM, and perform the repair completion verification.<\/div>\n
(See PCM REMOVAL\/INSTALLATION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n
(See PCM REMOVAL\/INSTALLATION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n<\/td>\n<\/tr>\n
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No<\/div>\n<\/td>\n
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Repair or replace the malfunctioning location, and perform the repair completion verification.<\/div>\n<\/td>\n<\/tr>\n
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Repair completion verification<\/div>\n<\/td>\n
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VERIFY THAT MALFUNCTION SYMPTOMS DO NOT RECUR AFTER REPAIR<\/div>\n
\u2022 Install\/connect the part removed\/disconnected during the troubleshooting procedure.<\/div>\n
\u2022 Has the malfunction symptom been eliminated?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Complete the symptom troubleshooting.<\/div>\n
Explain to the customer what has been repaired.<\/div>\n<\/td>\n<\/tr>\n
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No<\/div>\n<\/td>\n
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Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.<\/div>\n
(See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [(US)]<\/a>.)<\/div>\n
If the CAN communication is normal, perform the diagnosis from Step 1.<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

ELECTRIC PARKING BRAKE AUTOMATIC RELEASE FUNCTION DURING ACCELERATION OPERATION TOO EARLY\/LATE ON SLOPE [ELECTRIC PARKING BRAKE (US)] SM2565951 id040328250734 Troubleshooting item Electric parking brake automatic release function during acceleration operation too early\/late on slope Description \u2022 Electric parking brake is released too early when the electric parking brake automatic release function during acceleration is operated on a slope. \u2022 Electric parking brake is released too late when the electric parking brake automatic release function during […]<\/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-10228","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/pages\/10228","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=10228"}],"version-history":[{"count":0,"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/pages\/10228\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/media?parent=10228"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}