Test Description
WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.
The numbers below refer to the step numbers on the diagnostic table.
- 2. This step measures the voltage between the transfer case encoder circuit channels P, A, B, and C to ground.
- 3. This step tests the suspect circuit for an open, short to power, or short to ground.
- 4. This step tests the encoder signal ground circuit for an open or high resistance.