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Home >> Infiniti >> 2013 >> FX37 Base, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Transfer Case) >> Symptom Diagnosis >> Vehicle Does Not Enter AWD Mode >> Diagnosis Procedure

Diagnosis Procedure

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  1. CHECK AWD WARNING LAMP 

    Turn the ignition switch ON.

    Does AWD warning lamp turn ON? 

    YES: GO TO 2.

    NO: Proceed to diagnosis procedure. Refer to "DIAGNOSIS PROCEDURE ".

  2. CHECK PARKING BRAKE SWITCH SIGNAL 

    With CONSULT 

    Check "P BRAKE SW" of CONSULT "DATA MONITOR" for "ALL MODE AWD/4WD".

    Monitor Item Condition Status
    P BRAKE SW When the parking brake pedal is operation. ON
    When the parking brake pedal is not operation. OFF

    Is the inspection result normal? 

    YES: GO TO 3.

    NO: Proceed to diagnosis procedure. Refer to "DIAGNOSIS PROCEDURE ".

  3. CRUISE TEST 

    Drive the vehicle for a period of time.

    Does any symptom occur? 

    YES: Replace electric controlled coupling for mechanical malfunction (mechanical engagement of clutch is not possible). Refer to "VQ37VHR: EXPLODED VIEW " (VQ37VHR), "VK50VE: EXPLODED VIEW " (VK50VE).

    NO: Check each harness connector pin terminal for disconnection.