Schematic Reference: Transfer Case Control Schematics

Did you perform the Transfer Case Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Transfer Case

2

1. Turn the ignition ON, with the engine OFF.
2. Install a scan tool.
3. Use the scan tool in order to command the Service 4WD Lamp ON.

Does the Service 4WD Lamp turn ON?

Go to Step 3

Go to Instrument Cluster Replacement in Instrument Panel, Gages and Console

Replace the transfer case shift control module. Refer to Transfer Case Shift Control Module Replacement .

Is the repair complete?

Go to Step 4

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1. Use the scan tool in order to clear the DTCs.
2. Operate the vehicle within the Conditions for allowing the symptom to re-occur.

Does the symptom to re-occur?

Go to Step 2

System OK