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Home >> Nissan-Datsun >> 2008 >> Sentra SE-R >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Component Testing (Qr25DE) >> ASCD Indicator >> Diagnostic Procedure
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Diagnostic Procedure

  1. CHECK OVERALL FUNCTION 

    Check ASCD indicator under the following conditions.

    ASCD INDICATOR SPECIFICATION

    ASCD INDICATOR CONDITION SPECIFICATION
    CRUISE LAMP
    • Ignition switch: ON
    MAIN switch: Pressed at 1st time → 2nd ON → OFF
    SET LAMP
    • MAIN switch: ON
    • Vehicle: Between 40 km/h (25 MPH) and 144 km/h (89 MPH)
    ASCD: Operating ON
    ASCD: Not Operating OFF

    OK or NG 

    OK: INSPECTION END 

    NG: GO TO 2.

  2. CHECK DTC 

    Check that DTC U1000 or U1001 is not displayed.

    Yes or No 

    Yes: Perform trouble diagnoses for DTC U1000, U1001, refer to "DTC U1000, U1001 CAN COMMUNICATION LINE ".

    No: GO TO 3.

  3. CHECK COMBINATION METER OPERATION 

    Does combination meter operate normally?

    Yes or No 

    Yes: GO TO 4.

    No: Check combination meter circuit. Refer to "COMBINATION METERS ".

  4. CHECK INTERMITTENT INCIDENT 

    Refer to "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT ".

    : INSPECTION END