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. Trans Control.
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 -
- Column shift models, GO TO 3
- Floor shift models, GO TO 4
3.CHECK STOP LAMP SWITCH (COLUMN SHIFT MODELS)

Check continuity between stop lamp switch terminals 3 and 4.

Check stop lamp switch after adjusting brake pedal -- Standard Pedal or Adjustable Pedal, "Inspection and Adjustment - Adjustable Pedal".
OK or NG
OK - Check stop lamp switch circuit.
NG - Repair or replace stop lamp switch.
4.CHECK STOP LAMP SWITCH (FLOOR SHIFT MODELS)

Check continuity between stop lamp switch terminals 1 and 2.