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Vehicle Jerks During TCS Activation





TROUBLE DIAGNOSIS FOR SYMPTOMS


Vehicle Jerks During TCS Activation

1.ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS
Perform ABS actuator and electric unit (control unit) self-diagnosis.
Are self-diagnosis result items displayed?
YES - After checking and repairing the applicable item, perform the ABS actuator and electric unit (control unit) self-diagnosis again.
NO - GO TO 2.
2.ENGINE SPEED SIGNAL INSPECTION
Perform data monitor with CONSULT-III for the ABS actuator and electric unit (control unit).
Is the engine speed at idle 400 rpm or higher?
YES - GO TO 4.
NO - GO TO 3.
3.ECM SELF-DIAGNOSIS
Perform ECM self-diagnosis.
Are self-diagnosis result items displayed?
YES - After checking and repairing the applicable item, perform the ECM self-diagnosis again.
NO - GO TO 4.
4.TCM SELF-DIAGNOSIS
Perform TCM self-diagnosis.
Are self-diagnosis result items displayed?
YES - After checking and repairing the applicable item, perform the TCM self-diagnosis again.
NO - GO TO 5.
5.CONNECTOR INSPECTION
Disconnect the ABS actuator and electric unit (control unit) connector and the ECM connectors and check the terminals for deformation, disconnection, looseness or damage.
OK or NG
OK - GO TO 6.
NG - Repair or replace as necessary.
6.CAN COMMUNICATION INSPECTION
Check the CAN communication system. Refer to CAN Diagnostic Support Monitor.
OK or NG
OK - Inspection End.
NG - Refer to CAN Diagnostic Support Monitor.