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Home >> Infiniti >> 2017 >> QX80 Base, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Driver Assistance System (ADAS Control Unit) (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> DTC C1B86: Distance Sensor Power Supply Circuit >> ADAS Control Unit >> Diagnosis Procedure
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Diagnosis Procedure

  1. CHECK DTC PRIORITY

    If DTC "C1B86" is displayed with DTC "U1000", first diagnose the DTC "U1000".

    Is applicable DTC detected?

    YES 

    Perform diagnosis of applicable. Refer to DTC DESCRIPTION .

    NO 

    GO TO STEP 2  .

  2. CHECK ICC SENSOR SELF-DIAGNOSIS RESULTS

    1. Perform "All DTC Reading" with CONSULT.
    2. Check if the "C1A01" or "C1A02" is detected as the current malfunction in "Self Diagnostic Result" of "LASER/RADAR".

    Is "C1A01" or "C1A02" detected?

    YES 

    Refer to DTC DESCRIPTION .

    NO 

    GO TO STEP 3  .

  3. CHECK ADAS CONTROL UNIT SELF-DIAGNOSIS RESULTS

    Check if the "C1B86" is detected as the current malfunction in "Self Diagnostic Result" of "ICC/ADAS".

    Is "C1B86" detected?

    YES 

    Replace ADAS control unit. Refer to REMOVAL AND INSTALLATION .

    NO 

    INSPECTION END

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