{"id":9059,"date":"2022-03-10T20:30:44","date_gmt":"2022-03-10T20:30:44","guid":{"rendered":"https:\/\/www.hexorcism.com\/19BP\/sm2335153\/"},"modified":"2022-03-10T20:30:44","modified_gmt":"2022-03-10T20:30:44","slug":"sm2335153","status":"publish","type":"page","link":"https:\/\/www.hexorcism.com\/19BP\/sm2335153\/","title":{"rendered":"NO.3 BRAKE SYSTEM WARNING LIGHT STAY ON [DYNAMIC STABILITY CONTROL (DSC)]"},"content":{"rendered":"
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NO.3 BRAKE SYSTEM WARNING LIGHT STAY ON [DYNAMIC STABILITY CONTROL (DSC)]<\/h3>\n<\/div>\n

SM2335153<\/p>\n

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id0403b2895800<\/p>\n

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

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Brake system warning lights stay on<\/p>\n<\/th>\n<\/tr>\n<\/thead>\n

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Possible cause<\/span><\/div>\n<\/td>\n
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\u2022 Brake fluid amount is low.<\/div>\n
\u2022 Brake fluid level sensor stuck on.<\/div>\n
\u2022 Short to ground in fluid level sensor signal circuit.<\/div>\n
\u2022 No connection at DSC HU\/CM connector (When DSC HU\/CM connector comes off, ABS warning light, brake system warning light, DSC indicator light, and DSC OFF indicator light illuminate.)<\/div>\n
\u2022 DSC HU\/CM detected malfunction. (Input and output device malfunction)<\/div>\n
\u2022 DSC HU\/CM detects low voltage in power supply.<\/div>\n
\u2022 DSC HU\/CM ground malfunction (When DSC HU\/CM ground is not securely connected, ABS warning light, brake system warning light, DSC indicator light, and DSC OFF indicator light illuminate but diagnostic trouble code does not display.)<\/div>\n
\u2022 DSC HU\/CM does not operate.<\/div>\n
\u2022 DSC HU\/CM internal malfunction<\/div>\n
\u2022 Instrument cluster detected malfunction<\/div>\n<\/td>\n<\/tr>\n
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Diagnostic procedure<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\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 BRAKE FLUID AMOUNT AND VERIFY THAT ELECTRIC PARKING BRAKE RELEASED<\/div>\n
\u2022 Inspect the brake fluid amount and verify that the electric parking brake released.<\/div>\n
\u2022 Is the brake fluid amount normal?<\/div>\n
\u2022 Is the electric parking brake released?<\/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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Add the brake fluid or release the electric parking brake.<\/div>\n
If the brake fluid refilled:<\/div>\n
\u2022 Inspect and repair the brake line for leakage.<\/div>\n
Perform the repair completion verification.<\/div>\n<\/td>\n<\/tr>\n
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2<\/div>\n<\/td>\n
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CONFIRM DSC HU\/CM DTC<\/div>\n
\u2022 Retrieve the DSC HU\/CM DTC using the M-MDS. (See DTC INSPECTION<\/a>.)<\/div>\n
\u2022 Are any DTCs present?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Go to the applicable DTC inspection.<\/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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If communication error message is displayed on the M-MDS screen:<\/div>\n
\u2022 Go to the next step.<\/div>\n
If communication error message is not displayed:<\/div>\n
\u2022 Go to Step 4.<\/div>\n<\/td>\n<\/tr>\n
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3<\/div>\n<\/td>\n
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INSPECT CONNECTION OF DSC HU\/CM CONNECTOR<\/div>\n
\u2022 Inspect for connection of the DSC HU\/CM connector.<\/div>\n
\u2022 Is the DSC HU\/CM connector connected securely?<\/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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Connect the DSC HU\/CM connector securely, then go to the next step.<\/div>\n<\/td>\n<\/tr>\n
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4<\/div>\n<\/td>\n
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VERIFY IF THE BRAKE SYSTEM WARNING LIGHT IS TURNED OFF<\/div>\n
\u2022 Switch the ignition ON (engine off or on).<\/div>\n
\u2022 Press down the electric parking brake switch to release the electric parking brake.<\/div>\n
\u2022 Does the brake system warning light turn off?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Go to Step 7.<\/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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5<\/div>\n<\/td>\n
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INSPECT WHETHER MALFUNCTION IS IN BRAKE FLUID LEVEL SENSOR OR ELSEWHERE<\/div>\n
\u2022 Inspect the brake fluid level sensor for continuity. (See BRAKE FLUID LEVEL SENSOR INSPECTION [(US)]<\/a>.)<\/div>\n
\u2022 Is the continuity condition 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 malfunctioning part, and perform the repair completion verification.<\/div>\n
(See MASTER CYLINDER REMOVAL\/INSTALLATION [L.H.D. (US)]<\/a>.)<\/div>\n<\/td>\n<\/tr>\n
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*<\/sup>6<\/div>\n<\/td>\n
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INSPECT BRAKE FLUID LEVEL SENSOR 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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Replace the instrument cluster, and perform the repair completion verification.<\/div>\n
(See INSTRUMENT CLUSTER REMOVAL\/INSTALLATION<\/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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*<\/sup>7<\/div>\n<\/td>\n
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INSPECT DSC HU\/CM POWER SUPPLY CIRCUIT FOR SHORT TO GROUND AND OPEN CIRCUIT<\/div>\n
\u2022 Inspect the power supply circuit for an open circuit and 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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*<\/sup>8<\/div>\n<\/td>\n
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INSPECT DSC HU\/CM GROUND CIRCUIT FOR SHORT TO POWER SUPPLY AND OPEN CIRCUIT<\/div>\n
\u2022 Inspect the ground circuit for an open circuit and 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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Replace the DSC HU\/CM, and perform the repair completion verification. (open circuit in the DSC HU\/CM)<\/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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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
\u2022 When performing an asterisked (*) troubleshooting inspection, shake the wiring harness and connectors while doing the inspection to discover whether poor contact points are the cause of any intermittent malfunctions. If there is a problem, check to make sure connectors, terminals and wiring harness are connected correctly and undamaged.<\/div>\n<\/div>\n
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<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

NO.3 BRAKE SYSTEM WARNING LIGHT STAY ON [DYNAMIC STABILITY CONTROL (DSC)] SM2335153 id0403b2895800 Troubleshooting item Brake system warning lights stay on Possible cause \u2022 Brake fluid amount is low. \u2022 Brake fluid level sensor stuck on. \u2022 Short to ground in fluid level sensor signal circuit. \u2022 No connection at DSC HU\/CM connector (When DSC HU\/CM connector comes off, ABS warning light, brake system warning light, DSC indicator light, and DSC OFF indicator light illuminate.) […]<\/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-9059","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/pages\/9059","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=9059"}],"version-history":[{"count":0,"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/pages\/9059\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/media?parent=9059"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}