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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Qr25DE >> 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 Specification Table
    G00779647Courtesy 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.

    Yes or No 

    1. Yes: Perform trouble diagnoses for DTC U1000, U1001, refer to "DTC U1000, U1001: CAN COMMUNICATION LINE ".
    2. No: GO TO 3.
  3. CHECK COMBINATION METER OPERATION 

    Does combination meter operate normally?

    Yes or No 

    1. Yes: GO TO 4.
    2. No: Check combination meter circuit. Refer to "COMBINATION METER ".
  4. CHECK INTERMITTENT INCIDENT 

    Refer to "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT ".

    1. INSPECTION END