The Service 4WD indicator is located in the instrument cluster. It receives ignition voltage
The number below refers to the step number on the diagnostic table.
Step | Action | Yes | No |
---|---|---|---|
Schematic Reference: Transfer Case Control Schematics | |||
1 | Was the Transfer Case Diagnostic System Check performed? | Go to Step 2 | |
Does the SERVICE 4WD message turn ON? | Go to Step 3 | Go to Instrument Cluster Replacement in Instrument Panel, Gages, and Console | |
3 | Replace the transfer case shift control module. Refer to Transfer Case Shift Control Module Replacement . Is the repair complete? | Go to Step 4 | -- |
4 |
Does the symptom re-occur? | Go to Step 2 | System OK |