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Home >> Nissan-Datsun >> 2007 >> Maxima SL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Component Testing >> ASCD Indicator >> Diagnostic Procedure
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Diagnostic Procedure

  1. CHECK OVERALL FUNCTION 

    Check ASCD indicator under the following conditions.

    MONITOR ITEM CONDITIONS

    MONITOR ITEM CONDITION SPECIFICATION
    CRUISE LAMP
    • Ignition switch: ON
    MAIN switch: Pressed at the 1st time → at the 2nd time ON → OFF
    SET LAMP
    • MAIN switch: ON
    • When vehicle speed is 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.

    OK or NG 

    OK: GO TO  3.

    NG: Perform trouble diagnoses for DTC U1000, U1001. Refer to "DTC U1000, U1001 CAN COMMUNICATION LINE ."

  3. CHECK DTC WITH "UNIFIED METER AND A/C AMP." 

    Refer to "SELF-DIAGNOSTIC RESULTS ."

    OK or NG 

    OK: GO TO  4.

    NG: GO TO "SYSTEM DESCRIPTION ."

  4. CHECK INTERMITTENT INCIDENT 

    Refer to "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT ."

    >> INSPECTION END