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TROUBLE DIAGNOSIS BRC-67 C D E G H I J K L M A B BRC Symptom 8 Vehicle Behaves Jerkily During VDC/TCS/ABS Operation. EFS0027V Inspection Procedure 1. CHECKING CONNECTORS 1. Disconnect VDC/TCS/ABS control unit, ECM and A/T control unit connectors. 2. Check connectors for terminal damage or loose connection. Then reconnect them securely. Is inspection result OK? OK >> GO TO 2. NG >> Connector open, shorted or damaged. Repair or replace connector. 2. SYMPTOM CHECK Check if the vehicle jerks during VDC/TCS/ABS control. OK >> Inspection END. NG >> GO TO 3. 3. ECM SELF-DIAGNOSIS RESULT ITEM CHECK Perform the ECM self-diagnosis. Does self-diagnosis results display? YES . NO >> GO TO 4. 4. A/T SELF-DIAGNOSIS RESULT ITEM CHECK Perform the A/T self-diagnosis. Does self-diagnosis results display? YES NO >> GO TO 5. 5. CHECKING ENGINE SPEED SIGNAL On CONSULT-II, execute “DATA MONITOR” for VDC/TCS/ABS control unit. Is engine speed at idle 400 rpm or higher? OK >> GO TO 7. NG >> GO TO 6. 6. CHECKING SELF-DIAGNOSIS RESULTS (1) Perform VDC/TCS/ABS control unit self-diagnosis. Is the result of self-diagnosis “CAN COMM” or “ST ANGLE SEN CIRCUIT”? YES >> GO TO inspection 16 CAN Communications, VDC/TCS/ABS Control Unit and Steering Angle Sensor System. Refer to NO >> Replace VDC/TCS/ABS control unit. 7. CHECKING SELF-DIAGNOSIS RESULTS (2) Perform VDC/TCS/ABS control unit self-diagnosis. Does anything appear on self-diagnosis results display? YES >> Repair or replace parts at location indicated. NO >> Inspection END. Self-diagnosis results CONSULT-II display items “CAN COMM” (CAN communication) “ST ANGLE SEN CIRCUIT” (Steering angle sensor communication line) |