Brake Signal Circuit

BRAKE SIGNAL CIRCUIT





CONSULT-III Reference Value in Data Monitor Mode









Diagnosis Procedure
1.CHECK CAN COMMUNICATION LINE
Perform the self-diagnosis. Diagnosis System (TCM).
Is a malfunction in the CAN communication indicated in the results?
YES - Check CAN communication line. 5AT RE5R05A 5AT RE5R05A 5AT RE5R05A 5AT RE5R05A 5AT RE5R05A.
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 "BRAKE SW".
OK or NG
OK - INSPECTION END
NG - GO TO 3.
3.CHECK STOP LAMP SWITCH





Check continuity between stop lamp switch harness connector terminals 1 and 2.






Check stop lamp switch after adjusting brake pedal, Adjustments .
OK or NG
OK - Check the following. If NG, repair or replace damaged parts.
- Harness for short or open between battery and stop lamp switch.
- Harness for short or open between stop lamp switch and combination meter.
NG - Repair or replace the stop lamp switch.