Curiosii for ever!: Car repair manuals for everyone.

C1295

DTC C1295 Schematic:






CIRCUIT DESCRIPTION
This DTC is used to identify open Stoplamp Switch circuitry that prevents the Stoplamp Switch input to the EBTCM from changing states when the brake is applied. This DTC is used in conjunction with DTC C1291 to determine the cause of an open Stoplamp Switch malfunction.

CONDITIONS FOR SETTING THE DTC
DTC C1295 can be set after initialization is completed. If the Stoplamp Switch input voltage is out of specification for one second indicating an open circuit, a malfunction exists.

ACTION TAKEN WHEN THE DTC SETS
A malfunction DTC is stored, TCS is disabled and the Traction Control indicator is turned ON. ABS remains functional.

CONDITIONS FOR CLEARING THE DTC
- Condition for DTC is no longer present and scan tool clear DTC function is used.
- Fifty ignition cycles have passed with no DTC(s) detected.

DIAGNOSTIC AIDS
It is very important that a thorough inspection of the wiring and connectors be performed. Failure to carefully and fully inspect wiring and connectors may result in misdiagnosis, causing part replacement with reappearance of the malfunction.

POSSIBLE CAUSES
- Stoplamp switch input circuit open.
- All brake lamps open.
- Stoplamp switch open or misadjusted.
- Open brake lamp ground.
- Circuit has a wiring problem, terminal corrosion, or poor connections.

DTC C1295: Brake Lamp Switch Circuit Open (Part 1 Of 2):




DTC C1295: Brake Lamp Switch Circuit Open (Part 2 Of 2):





TEST DESCRIPTION
The numbers below refer to step numbers on the diagnostic table.
[3] Checks for voltage at EBTCM.
[9] Checks the Stoplamp Switch.