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Home >> Infiniti >> 2009 >> M35 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 182 (Engine Control System (VQ35DE) - Component And System Testing) >> ASCD Indicator >> Diagnostic Procedure
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Diagnostic Procedure

WARNING: This page is about a different car, the 2008 Infiniti M35. 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.

    ASCD INDICATOR CONDITION CHART

    ASCD INDICATOR 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 diagnosis 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-DIAG RESULTS ".

    OK or NG 

    OK: GO TO 4.

    NG: GO TO "DTC [B2202] METER COMMUNICATION CIRCUIT ".

  4. CHECK INTERMITTENT INCIDENT 

    Refer to "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT ".

    >> INSPECTION END