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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 C1A13: Stop Lamp Relay >> 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
C1A13
(13)		 STOP LAMP RLY FIX
  • Stop lamp inactive state continues for 0.3 seconds or more despite the outputting of an ICC sensor ICC brake hold relay drive signal
  • The stop lamp remains ON for 60 seconds or more under the following conditions:
    • Driving at 40 km/h or more
    • No stop lamp drive signal output from ICC sensor
    • No brake operation
  • Stop lamp switch circuit
  • Brake pedal position switch circuit
  • ICC brake hold relay circuit
  • Stop lamp switch
  • Brake pedal position switch
  • ICC brake hold relay
  • Incorrect stop lamp switch installation
  • Incorrect brake pedal position switch installation
  • ECM
  • ABS actuator and electric unit (control unit)
NOTE:

If DTC "C1A13" is detected along with DTC "U1000", first diagnose the DTC "U1000". Refer to DTC LOGIC .

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