LEMON Manuals: Even more car manuals for everyone
Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 59 (Intelligent Cruise Control System (DTC/Circuit Diagnosis) (ICC) (Except Hybrid)) >> DTC/Circuit Diagnosis >> DTC C1A05: Brake SW/Stop Lamp SW >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
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 .