Diagnosis Procedure

BRAKE SIGNAL CIRCUIT


Diagnosis Procedure

1.CHECK CAN COMMUNICATION LINE
Perform the self-diagnosis. CONSULT-III Function (Transmission).
Is a malfunction in the CAN communication indicated in the results?
YES - Check CAN communication line. TM.
NO - GO TO 2.
2.CHECK STOP LAMP SWITCH CIRCUIT
With CONSULT-III
1. Turn ignition switch "ON". (Do not start engine.)
2. Select "ECU INPUT SIGNALS" in "DATA MONITOR" mode for "TRANSMISSION" with CONSULT-III.
3. Read out ON/OFF switching action of the "BRAKESW".
OK or NG
OK - INSPECTION END
NG - GO TO 3.
3.CHECK STOP LAMP SWITCH





Check continuity between stop lamp switch terminals 1 and 2.






Check stop lamp switch after adjusting brake pedal -- refer to Adjustments.
OK or NG
OK - Check stop lamp switch circuit.
NG - Repair or replace stop lamp switch.