Stop Lamp Switch System

Stop Lamp Switch System Inspection

INSPECTION PROCEDURE
1. SELF-DIAGNOSIS RESULT CHECK
Check self-diagnosis results.





Is the above displayed in the self-diagnosis display items?
YES >> GO TO 2.
NO >> Inspection End.

2. CONNECTOR INSPECTION
1. Disconnect the ABS actuator and electric unit (control unit) connector E125 and stop lamp switch connector E38.
2. Check the terminals for deformation, disconnection, looseness or damage.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace as necessary.

3. STOP LAMP SWITCH INSPECTION





Check the voltage between the ABS actuator and electric unit (control unit) harness connector E125 terminal 41 and body ground.
Brake pedal depressed: Battery voltage (approx. 12V)
Brake pedal not depressed: Approx. 0V
OK or NG
OK >> Perform self-diagnosis again. If the same results appear, replace ABS actuator and electric unit (control unit).
NG >> GO TO 4.

4. STOP LAMP RELAY CIRCUIT INSPECTION
1. Disconnect the stop lamp relay harness connector E12.





2. Check the continuity between the ABS actuator and electric unit (control unit) harness connector E125 (B) terminal 41 and stop lamp relay harness connector E12 (A) terminal 4.
Continuity should exist
OK or NG
OK >> Perform self-diagnosis again. If the same results appear, replace ABS actuator and electric unit (control unit).
NG >> Refer to "Stop Lamp Switch System Inspection".