C107C-BRAKE PEDAL SWITCH 1/2 STUCK





For a complete wiring diagram Refer to Section 8W.


  • When Monitored:

    With the ignition on, but not during first run.

  • Set Condition:

    When the Anti-Lock Brake Module detects a mismatch between the two signals of the redundant stop lamp switch.


Possible Causes
 
TERMINAL/CONNECTOR/WIRING HARNESS DAMAGE
 
STOP LAMP SWITCH
 
(B15) BRAKE SWITCH NO. 1 SIGNAL CIRCUIT OPEN
 
(L50) BRAKE LAMP SWITCH OUTPUT CIRCUIT OPEN
 
FRONT CONTROL MODULE
 
ANTI-LOCK BRAKE MODULE
 




Diagnostic Test

1.CHECK FOR A DTC C107C-BRAKE PEDAL SWITCH 1/2 STUCK

NOTE: This DTC must be active for the results of this test to be valid.











Does the scan tool display: C107C-BRAKE PEDAL SWITCH 1/2 STUCK?

Yes
  • Go To 2


No
  • Refer to the INTERMITTENT CONDITION diagnostic procedure.
  • The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires.
  • Refer to the ABS-INTERMITTENT CONDITION TEST. (Refer to 5 - BRAKES - DIAGNOSIS AND TESTING).

2.CHECK THE TERMINALS/CONNECTORS/WIRING HARNESS FOR DAMAGE




Were any problems found?

Yes


No
  • Go To 3

3.CHECK THE (L50) BRAKE LAMP SWITCH OUTPUT CIRCUIT WHILE DEPRESSING AND RELEASING BRAKE PEDAL




Does the brake lights illumination with brake applied?

Yes
  • Go To 4


No

4.CHECK THE (B15) BRAKE SWITCH NO. 1 SIGNAL CIRCUIT WHILE DEPRESSING AND RELEASING BRAKE PEDAL




Does the Brake Switch status change when brakes are applied?

Yes


No
  • Go To 5

5.CHECK THE (B15) BRAKE SWITCH NO. 1 SIGNAL CIRCUIT FOR AN OPEN







Is the resistance below 5.0 ohms?

Yes


No