Brake Signal Circuit

BRAKE SIGNAL CIRCUIT

CONSULT 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.
NO- GO TO 2.

2. CHECK STOP LAMP SWITCH CIRCUIT

With CONSULT
1.Turn ignition switch "ON". (Do not start engine.)
2.Select "ECU INPUT SIGNALS" in "DATA MONITOR" mode for "TRANSMISSION" with CONSULT.
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 - refer to Standard Pedal or Adjustable Pedal.

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.