2007 Commander XK Factory Service Manual 21 - TRANSMISSION AND TRANSFER CASE

C1444-TRANSFER CASE MOTOR OVERUSE

For a complete wiring diagram Refer to Section 8W



Possible Causes
  
TRANSFER CASE SELECTOR SWITCH
  
FINAL DRIVE CONTROL MODULE
  



Diagnostic Test

1. DTC IS ACTIVE

NOTE: Diagnose and repair any system voltage or Transfer Case related DTCs in the Final Drive Control Module before continuing with this test.


Ignition on, engine not running.
With the scan tool, clear Stored DTCs in the Final Drive Control Module.
Test drive the vehicle.
During the test drive, move the Transfer Case Selector Switch to each position several times in accordance with the Service Information.
With the scan tool, read DTCs in the Final Drive Control Module.

Does this DTC reset?

Yes


No

2. TRANSFER CASE SELECTOR SWITCH

Using the wiring diagram/schematic as a guide, inspect the wiring and connectors relative to this circuit.
While monitoring the scan tool data relative to this circuit, wiggle test the wiring and connectors.

Were any problems found?

Yes


No

3. FINAL DRIVE CONTROL MODULE

Turn the ignition off to the lock position
Replace the Transfer Case Selector Switch in accordance with the Service Information.
Ignition on, engine not running.
With the scan tool, clear Stored DTCs in the Final Drive Control Module.
Test drive the vehicle.
During the test drive, move the Transfer Case Selector Switch to each position several times in accordance with the Service Information.
With the scan tool, read DTCs in the Final Drive Control Module.

Does this DTC reset?

Yes


No

4. INTERMITTENT WIRING AND CONNECTORS

The conditions necessary to set this DTC are not present at this time.
Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
While monitoring the scan tool data relative to this circuit, wiggle test the wiring and connectors.
Look for the data to change or for the DTC to reset during the wiggle test.

Were any problems found?

Yes


No