DTC Detection Logic

DTC (On board display)	Trouble diagnosis name	DTC detecting condition	Possible causes
C1A05 (5)	BRAKE SW/STOP L SW	A mismatch between a stop lamp switch signal and a brake pedal position switch signal received from ECM and a stop lamp signal received from the ABS actuator and electric unit (control unit) continues for 10 seconds or more with vehicle speeds at approximately 40 km/h or more	Stop lamp switch circuit Brake pedal position switch circuit Stop lamp switch Brake pedal position switch Incorrect stop lamp switch installation Incorrect brake pedal position switch installation ECM ABS actuator and electric unit (control unit)

NOTE:

If DTC "C1A05" is detected along with DTC "U1000", first diagnose the DTC "U1000". Refer to DTC LOGIC .