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Home >> Infiniti >> 2021 >> QX50 Essential, 4WD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> ADAS Control Unit (DTC/Circuit Diagnosis) (2 Of 2) >> DTC U1502: ICC Sensor Can Comm CIRC >> ADAS Control Unit >> With Direct Adaptive Steering System >> Diagnosis Procedure
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Diagnosis Procedure

  1. CHECK DTC PRIORITY 

    If DTC "U1502-00" is displayed with DTC "U1000-01", first diagnose the DTC "U1000-01".

    Is applicable DTC detected?

    YES

    Perform diagnosis of applicable. Refer to DTC Description .

    NO

    GO TO 2.

  2. CHECK DISTANCE SENSOR SELF-DIAGNOSIS RESULTS 

    Check if any DTC is detected in "Self Diagnostic Result" of "LASER/RADAR".

    Is any DTC detected?

    YES

    Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to DTC Index .

    NO

    Replace the ADAS control unit. Refer to Removal and Installation .