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Home >> Infiniti >> 2005 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> ASCD Indicator >> Diagnostic Procedure
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Diagnostic Procedure

  1. CHECK OVERALL FUNCTION 

    Check ASCD indicator under the following conditions.

    Fig 1: ASCD Indicator Condition And Specification Chart
    G02389474Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: INSPECTION END 
    2. NG: GO TO 2.
  2. CHECK DTC 

    Check that DTC U1000 or U1001 is not displayed.

    OK or NG 

    1. OK: GO TO 3.
    2. NG: Perform trouble diagnosis for DTC U1000, U1001. Refer to "DTC U1000, U1001 CAN COMMUNICATION LINE ".
  3. CHECK COMBINATION METER FUNCTION 

    Refer to "COMBINATION METERS ".

    OK or NG 

    1. OK: GO TO 4.
    2. NG: Go to "COMBINATION METERS ".
  4. CHECK INTERMITTENT INCIDENT 

    Refer to "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT ".

    1. : INSPECTION END