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Home >> Infiniti >> 2024 >> QX55 Essential >> Repair and Diagnosis >> Brakes >> Traction Control >> Brake Control System (VDC/TCS/Abs) (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> C1116 Stop Lamp Switch >> DTC Description

DTC Description

DTC DETECTION LOGIC 

DTC No. CONSULT screen item(Trouble diagnosis content) DTC detected condition
C1116-01 STOP LAMP SW(Stop lamp switch) Diagnosis condition
  • When ignition switch is ON.
  • When power supply voltage is normal.
Signal (terminal) Stop lamp switch signal
Threshold When a malfunction is detected in stop lamp switch signal.
Diagnosis delay time 1 seconds or more

POSSIBLE CAUSE 

NOTE: SYMBOL Confirm if DTC is PAST or CRNT. If DTC is CRNT, proceed with Diagnosis Procedure. If DTC is PAST, clear DTC. Do not replace the ABS actuator and electric unit (control unit) for a PAST DTC.
PAST DTC CRNT DTC
  • Harness or connector
  • Stop lamp switch signal circuit
  • Harness or connector
  • Stop lamp switch
  • ABS actuator and electric unit (control unit)
  • ABS actuator and electric unit (control unit) power supply system
  • BCM
  • Fuse
  • Fusible link
  • 12V battery

FAIL-SAFE 

The following functions are suspended:

DTC CONFIRMATION PROCEDURE 

  1. PRECONDITIONING 
    1. If "DTC CONFIRMATION PROCEDURE" has been previously conducted, always place the ignition switch in the OFF position and wait at least 10 minutes for ABS motor temperature reduction before conducting the next test.

    >>

    GO TO 2.

  2. CHECK DTC DETECTION 
    1. SYMBOL CONSULT
      1. Ignition switch OFF.
        NOTE: SYMBOL Wait at least 10 seconds after placing the ignition switch to OFF.
      2. Start the engine.
        NOTE: SYMBOL Wait at least 10 seconds after start the engine.
      3. Select "Self Diagnostic Result" mode of "ABS".

    Is DTC "C1116-01" detected?

    YES-1>>

    "CRNT" is displayed: Proceed to Diagnosis Procedure .

    YES-2>>

    "PAST" is displayed: Inspection End (Erase "Self Diagnostic Result" mode of "ABS".)

    NO-1>>

    To check malfunction symptom before repair: Refer to Intermittent Incident .

    NO-2>>

    Confirmation after repair: Inspection End.