Brake Signal Circuit

BRAKE SIGNAL CIRCUIT

CONSULT-II Reference Value:

Diagnostic Procedure
1. CHECK CAN COMMUNICATION LINE
Perform the self-diagnosis. Refer to AT-86, "SELF-DIAGNOSTIC RESULT MODE". Self-Diagnostic Result Mode
Is a malfunction in the CAN communication indicated in the results?
YES >> Check CAN communication line. Refer to AT-93, "DTC U1000 CAN COMMUNICATION LINE". U1000
NG >> GO TO 2.

2. CHECK STOP LAMP SWITCH CIRCUIT

With CONSULT-II
1. Turn ignition switch "ON". (Do not start engine.)





2. Select "ECU INPUT SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II.
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 terminals 3 and 4.





Check stop lamp switch after adjusting brake pedal.
OK or NG
OK >> Check stop lamp switch circuit.
NG >> Repair or replace stop lamp switch.