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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 >> C1A71 Integrated Control System >> DTC Description

DTC Description

DTC DETECTION LOGIC 

DTC No. CONSULT screen terms(Trouble diagnosis content) DTC detected condition
C1A71-08 INTEGRATED CONTROL SYSTEM(Integrated Control System) Diagnosis condition When power switch is ON.
Signal (terminal) -
Threshold Malfunction is detected in ADAS control unit system or chassis control module system.
Diagnosis delay time 2 second or more.
C1A71-61 INTEGRATED CONTROL SYSTEM(Integrated Control System) Diagnosis condition When power switch is ON.
Signal (terminal) -
Threshold Malfunction is detected in ADAS control unit system or chassis control module system.
Diagnosis delay time 2 second or more.

POSSIBLE CAUSES 

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 "C1A71-08" or "C1A71-61" 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.