LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 1057 (Engine Control System) >> ASCD Indicator >> Diagnostic Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Procedure

WARNING: This page is about a different car, the 2004 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK OVERALL FUNCTION 

    Check ASCD indicator under the following conditions.

    Fig 1: Checking ASCD Specifications
    G00776110Courtesy 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 diagnoses for DTC U1000, U1001. Refer to DTC U1000, U1001 CAN COMMUNICATION LINE  .
  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 METERS .
  4. CHECK INTERMITTENT INCIDENT 

    Refer to TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT  .

    1. INSPECTION END