LEMON Manuals: Even more car manuals for everyone
Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 2256 (Transfer Case (TX15B)) >> DTC/Circuit Diagnosis >> DTC P1802, P1803, P1804, P1809: Transfer Control Unit >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECTION START

    Do you have CONSULT?

    YES or NO 

    YES: GO TO 2.

    NO: GO TO  3.

  2. PERFORM SELF-DIAGNOSIS (WITH CONSULT)
    1. Turn ignition switch "ON".
    2. Select "SELF-DIAG RESULTS" mode for "ALL MODE AWD/4WD" with CONSULT.
    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)
    1. Perform the self-diagnosis and then erase self-diagnostic results. Refer to "CONSULT FUNCTION (ALL MODE AWD/4WD) ".
    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