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Home >> Infiniti >> 2012 >> FX35 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 92 (Cruise Control System) >> ICC (Full Speed Range) >> Main Switch Does Not Turn On, Main Switch Does Not Turn Off >> Frequently Cannot Detect The Vehicle Ahead/Detection Zone Is Short >> Diagnosis Procedure
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Diagnosis Procedure

WARNING: This page is about a different car, the 2011 Infiniti EX35. However, it is still accessible from the selected car via links, so may be relevant.
  1. VISUAL CHECK (1)

    Check ICC sensor integrated unit body window for contamination and/or foreign materials.

    Do foreign materials adhere? 

    YES: GO TO 2.

    NO: GO TO  3.

  2. WIPE OUT DIRT AND FOREIGN MATERIALS

    Wipe out the contamination and/or foreign materials from the ICC sensor integrated unit body window.

    GO TO  6.

  3. VISUAL CHECK (2)

    Check ICC sensor integrated unit body window for cracks and scratches.

    Are there any cracks or scratches? 

    YES: GO TO  5.

    NO: GO TO 4.

  4. ADJUST LASER BEAM AIMING
    1. Adjust the laser beam aiming. Refer to "LASER BEAM AIMING ADJUSTMENT : DESCRIPTION ".
    2. Perform ICC system action test. Refer to "ACTION TEST : DESCRIPTION ".
    3. Check that the vehicle ahead detection performance improves.

    Does it improve? 

    YES: INSPECTION END

    NO: GO TO 5.

  5. REPLACE ICC SENSOR INTEGRATED UNIT
    1. Replace the ICC sensor integrated unit. Refer to "EXPLODED VIEW ".
    2. Adjust the laser beam aiming. Refer to "LASER BEAM AIMING ADJUSTMENT : DESCRIPTION ".

      GO TO 6.

  6. CHECK ICC SYSTEM
    1. Erase the self-diagnosis results, and then perform "All DTC Reading" again after performing the action test. (Refer to "ACTION TEST : DESCRIPTION " for action test.)
    2. Check that the ICC system is normal.

      INSPECTION END