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Home › Infiniti › 2022 › QX80 Premium Select, AWD › Repair and Diagnosis › Engine Performance › Engine Control Systems › Engine Control System (Diagnostics) (1 Of 2) › Component/Circuit Diagnosis › ASCD Indicator › Diagnosis Procedure

Diagnosis Procedure

  1. CHECK DTC 

    Check that DTC UXXXX is not displayed.

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

    Perform trouble diagnosis for DTC UXXXX.

  2. CHECK DTC WITH COMBINATION METER 

    Refer to Diagnosis Description .

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    Repair or replace malfunctioning part.

  3. CHECK INTERMITTENT INCIDENT 

    Refer to Inspection .

    Is the inspection result normal?

    YES

    Replace combination meter. Refer to COMBINATION METER : Removal & Installation .

    NO

    Repair or replace malfunctioning part.

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