Component Tests

ABS & TCS WARNING LAMP INSPECTION





Check that the ABS & TCS warning lamp illuminates as follows.
1. ABS warning lamp
1) It is turned on for three seconds at time of ON of ignition Key and turns off afterwards.
2) It is extinguished at start of operation.
3) It is lighted if system abnormality arise.
4) It is lighted during self-diagnosis.
5) During its lighting, ABS control is interrupted and only ordinary brake operates in same way as ABS non installed vehicle.
6) It is lighted when ECU connector is removed.
2. Electronic Brake-force Distribution (EBD) warning lamp
1) It is lighted at time of ON of ignition Key.
2) It is extinguished at start of operation.
3) It is lighted when parking brake switch is ON.
4) It is lighted when brake oil is deficient.
5) It is lighted when EBD control is infeasible.
^ When there is trouble at solenoid valve.
^ When there is trouble in more than one sensor.
^ When there is trouble in ECU.
^ In case of high voltage.
3. TCS warning lamp
1) It is turned on for three seconds at time of ON of ignition Key and turns off afterwards.
2) It is extinguished at start operation.
3) It is lighted when TCS OFF switch is "ON".
4) It is lighted if system abnormality arise.
5) During its lighting, TCS control is interrupted and only ordinary brake operates in same way as ABS, TCS noninstalled vehicle.
6) It is blinking during the operation of TCS control.