C145F–AWD SYSTEM TEMPORARILY DISABLED — OVERTEMPERATURE

For a complete wiring diagram Refer to Section 8W.


  • When Monitored:

    Ignition on.

  • Set Condition:

    The AWD Control Module detects an overheat condition due to excessive difference in speed across the ECC from hard driving conditions (Mud, Sand, Snow, 2WD Chassis dynamometer etc.).


Possible Causes
  
DRIVING CONDITIONS
  
ALL WHEEL DRIVE (AWD) CONTROL MODULE
  
ELECTRONICALLY CONTROLLED CLUTCH (ECC)
  

Always perform the AWD Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 3 - DIFFERENTIAL & DRIVELINE/ELECTRONICALLY CONTROLLED CLUTCH - STANDARD PROCEDURE).



Diagnostic Test

1.ANTI–LOCK BRAKE SYSTEM (ABS) MODULE DTCS PRESENT




Are there any ABS DTCs present?

Yes
  • Refer to the symptom list and perform any ABS DTC diagnostic procedures before continuing with this test.


No
  • Go to 2

2.DTC IS ACTIVE

NOTE: If C1456, C145A or C145D has set along with this DTC, diagnose those DTC(s) first before continuing.





Is the status Active for this DTC?

Yes


No
  • Go To 5

3.VERIFY SET CONDITION

NOTE: Check with customer on driving terrain (e.g. mud, sand, snow) for set condition.






Is the status Active for this DTC?

Yes
  • Go To 4


No

4.AWD CONTROL MODULE

NOTE: Before continuing, check the AWD Control Module harness connector terminals for corrosion, damage, or terminal push out. Repair as necessary.




Were there any problems found?

Yes


No

5.INTERMITTENT WIRING AND CONNECTORS






Were there any problems found?

Yes


No
  • Test Complete.