LEMON Manuals: Even more car manuals for everyone
Home >> Infiniti >> 2007 >> QX56 AWD >> Repair and Diagnosis >> Transmission >> Transfer Case >> Trouble Diagnosis For System >> Transfer Control Unit >> Diagnostic Procedure

Diagnostic Procedure

  1. INSPECTION START 

    Do you have CONSULT-II?

    Yes or No 

    Yes: GO TO 2.

    No: GO TO  3.

  2. PERFORM SELF-DIAGNOSIS (WITH CONSULT-II) 

    With CONSULT-II 

    1. Turn ignition switch "ON". (Do not start engine.)
    2. Select "SELF-DIAG RESULTS" mode for "ALL MODE AWD/4WD" with CONSULT-II.
    3. Touch "ERASE".
    4. Turn ignition switch "OFF" and wait at least 10 seconds.
    5. Perform the self-diagnosis again.

    Is the "CONTROL UNIT 1 [P1802]", "CONTROL UNIT 2 [P1803]", "CONTROL UNIT 3 [P1804]" or "CONTROL UNIT 4 [P1809]" displayed? 

    Yes: Replace transfer control unit. Refer to "REMOVAL AND INSTALLATION ".

    No: Inspection End.

  3. PERFORM SELF-DIAGNOSIS (WITHOUT CONSULT-II) 

    Without CONSULT-II 

    1. Perform the self-diagnosis and then erase self-diagnostic results. Refer to "SELF-DIAGNOSTIC PROCEDURE (WITHOUT CONSULT-II) " and "ERASE SELF-DIAGNOSIS ".
    2. Perform the self-diagnosis again.

    Do the self-diagnostic results indicate AD converter? 

    Yes: Replace transfer control unit. Refer to "REMOVAL AND INSTALLATION ".

    No: Inspection End.

scientia non olet · About LEMON Manuals