Test Description
WARNING: This page is about a different car, the 2007 Isuzu i-370, 2007 GMC Canyon, and 2007 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
The number below refers to the step number on the diagnostic table.
- 2: This step determines whether the condition is the result of a malfunctioning transfer case shift control module or the IPC.
Service Four-Wheel Drive Indicator Always On
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Transfer Case Control Schematics Connector End View Reference: Transfer Case Control Connector End Views |
|||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle |
| 2 | Disconnect the transfer case shift control module connectors C1 and C2. Is the Service 4WD indicator still ON? |
Go to Step 4 | Go to Step 3 |
| 3 | Replace the transfer case shift control module. Refer to Control Module References
for replacement, setup, and Programming. Did you complete the repair? |
Go to Step 5 | - |
| 4 | Replace the instrument panel cluster. Refer to Instrument Cluster Replacement
. Did you complete the repair? |
Go to Step 5 | - |
| 5 |
|
Go to Step 1 | System OK |