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Home >> Infiniti >> 2017 >> QX80 Base, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Cruise Control Systems >> Driver Assistance System (ADAS Control Unit) (Introduction, Wiring Diagrams And Basic Inspection) >> DTC/Circuit Diagnosis >> C1A13 Stop Lamp Relay >> ADAS Control Unit >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC No.
(On board display)
CONSULT screen items
(Trouble diagnosis content)
DTC detection condition
C1A13
(13)
STOP LAMP RLY FIX
(Stop lamp relay fix)
1 Diagnosis condition When engine is running
Signal (terminal) -
Threshold Stop lamp inactive state continues despite the outputting of an ICC sensor ICC brake hold relay drive signal
Diagnosis delay time 1 second or more
2 Diagnosis condition When driving at the vehicle speed of 40 km/h (25 MPH) or more for approximately 20 seconds or more without the brake pedal depressed
Signal (terminal) -
Threshold The stop lamp remains ON under the following conditions:
  • Driving at 40 km/h (25 MPH) or more
  • No stop lamp drive signal output from ADAS control unit
  • No brake operation
Diagnosis delay time 60 seconds or more