{"id":9041,"date":"2022-03-10T20:30:44","date_gmt":"2022-03-10T20:30:44","guid":{"rendered":"https:\/\/www.hexorcism.com\/19BP\/sm2335028\/"},"modified":"2022-03-10T20:30:44","modified_gmt":"2022-03-10T20:30:44","slug":"sm2335028","status":"publish","type":"page","link":"https:\/\/www.hexorcism.com\/19BP\/sm2335028\/","title":{"rendered":"DTC C0023:62 [DSC HU\/CM]"},"content":{"rendered":"
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DTC C0023:62 [DSC HU\/CM]<\/h3>\n<\/div>\n

SM2335028<\/p>\n

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id040262003500<\/p>\n



\n<\/a><\/p>\n

Outline<\/p>\n

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System malfunction location<\/p>\n<\/th>\n

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Brake light<\/p>\n<\/th>\n<\/tr>\n<\/thead>\n

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Detection condition<\/span><\/div>\n<\/td>\n
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\u2022 The DSC HU\/CM detects any of the following conditions.<\/div>\n
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\u2015 Brake light status signal input by signal wiring harness and brake light illumination request signal output by CAN communication do not match<\/div>\n
\u2015 Master cylinder pressure exceeds 20 MPa {204 kgf\/cm2<\/sup>, 2901 psi}<\/span> even though brake light status signal input by signal wiring harness is off<\/div>\n
\u2015 Brake light status signal input by signal wiring harness and brake light status signal input by CAN communication do not match<\/div>\n<\/dd>\n<\/dl>\n<\/td>\n<\/tr>\n
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Fail-safe<\/span><\/div>\n<\/td>\n
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Refer to \u201cDTC Table\u201d and \u201cFail-safe Function Malfunction Contents Table\u201d. (See DTC TABLE [DSC HU\/CM (US)]<\/a>.)<\/div>\n<\/td>\n<\/tr>\n
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Possible cause<\/span><\/div>\n<\/td>\n
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\u2022 DTCs are stored in the body control module (BCM).<\/div>\n
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\u2015 DTCs related to the electrical supply unit (ESU) are stored.<\/div>\n<\/dd>\n<\/dl>\n
\u2022 Electrical supply unit (ESU) connector or terminals malfunction<\/div>\n
\u2022 DSC HU\/CM connector or terminals malfunction<\/div>\n
\u2022 Short to ground in electrical supply unit (ESU) brake signal circuit<\/div>\n
\u2022 Short to power supply in electrical supply unit (ESU) brake signal circuit<\/div>\n
\u2022 Open circuit in electrical supply unit (ESU) brake signal circuit<\/div>\n
\u2022 Electrical supply unit (ESU) malfunction<\/div>\n
\u2022 DSC HU\/CM malfunction<\/div>\n<\/td>\n<\/tr>\n
<\/td>\n<\/tr>\n
<\/td>\n<\/tr>\n
<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n



\n<\/a><\/p>\n

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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INSPECT BODY CONTROL MODULE (BCM) FOR MALFUNCTION<\/div>\n
\u2022 Perform the DTC inspection for the body control module (BCM). (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 the malfunctioning location according to the applicable DTC troubleshooting.<\/div>\n
(See DTC TABLE [BODY CONTROL MODULE (BCM) (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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INSPECT ELECTRICAL SUPPLY UNIT (ESU) CONNECTOR FOR MALFUNCTION<\/div>\n
\u2022 Inspect the applicable connector and terminal. (See CONNECTOR INSPECTION<\/a>.)<\/div>\n
\u2022 Are the connector and terminal 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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3<\/div>\n<\/td>\n
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INSPECT DSC HU\/CM CONNECTOR FOR MALFUNCTION<\/div>\n
\u2022 Inspect the applicable connector and terminal. (See CONNECTOR INSPECTION<\/a>.)<\/div>\n
\u2022 Are the connector and terminal 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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4<\/div>\n<\/td>\n
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INSPECT ELECTRICAL SUPPLY UNIT (ESU) BRAKE SIGNAL CIRCUIT FOR SHORT TO GROUND<\/div>\n
\u2022 Inspect the applicable 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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5<\/div>\n<\/td>\n
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INSPECT ELECTRICAL SUPPLY UNIT (ESU) BRAKE SIGNAL CIRCUIT FOR SHORT TO POWER SUPPLY<\/div>\n
\u2022 Inspect the applicable 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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6<\/div>\n<\/td>\n
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INSPECT ELECTRICAL SUPPLY UNIT (ESU) BRAKE SIGNAL CIRCUIT FOR OPEN CIRCUIT<\/div>\n
\u2022 Inspect the applicable circuit for 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 ELECTRICAL SUPPLY UNIT (ESU) FOR MALFUNCTION<\/div>\n
\u2022 Install\/connect the part removed\/disconnected during the troubleshooting procedure.<\/div>\n
\u2022 Measure the voltage at electrical supply unit (ESU) terminal 3L (vehicle wiring harness side) according to the brake pedal operation and verify if it changes as follows.<\/div>\n
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\u2015 Brake pedal released: 1.0 V or less<\/span><\/div>\n
\u2015 Brake pedal depressed: B+<\/span><\/div>\n<\/dd>\n<\/dl>\n
\u2022 Does the voltage change according to the brake pedal operation?<\/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
(See ELECTRICAL SUPPLY UNIT (ESU) REMOVAL\/INSTALLATION<\/a>.)<\/div>\n<\/td>\n<\/tr>\n
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Repair completion verification 1<\/div>\n<\/td>\n
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VERIFY THAT VEHICLE IS REPAIRED<\/div>\n
\u2022 Install\/connect the part removed\/disconnected during the troubleshooting procedure.<\/div>\n
\u2022 Clear the DTC recorded in the memory. (See CLEARING DTC<\/a>.)<\/div>\n
\u2022 Perform the work of depressing the brake pedal for 3 s or more<\/span> and then releasing it for 5 times or more<\/span> with the ignition switched ON (engine off or on).<\/div>\n
\u2022 Perform the DTC inspection for the DSC HU\/CM. (See DTC INSPECTION<\/a>.)<\/div>\n
\u2022 Is the same Pending DTC present?<\/div>\n<\/td>\n
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Yes<\/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
\u2022 If the malfunction recurs, replace the DSC HU\/CM, then go to the next step. (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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Repair completion verification 2<\/div>\n<\/td>\n
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VERIFY IF OTHER DTCs DISPLAYED<\/div>\n
\u2022 Perform the DTC inspection. (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 the malfunctioning location according to the applicable DTC troubleshooting.<\/div>\n<\/td>\n<\/tr>\n
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No<\/div>\n<\/td>\n
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DTC troubleshooting completed.<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
<\/div>\n
<\/div>\n
<\/div>\n

<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

DTC C0023:62 [DSC HU\/CM] SM2335028 id040262003500 Outline System malfunction location Brake light Detection condition \u2022 The DSC HU\/CM detects any of the following conditions. \u2015 Brake light status signal input by signal wiring harness and brake light illumination request signal output by CAN communication do not match \u2015 Master cylinder pressure exceeds 20 MPa {204 kgf\/cm2, 2901 psi} even though brake light status signal input by signal wiring harness is off \u2015 Brake light status […]<\/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-9041","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/pages\/9041","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=9041"}],"version-history":[{"count":0,"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/pages\/9041\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/media?parent=9041"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}