Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the transfer case Diagnostic System Check? | -- | Go to Diagnostic System Check | |
2 | Verify the fault is present? Does the system operate normally? | -- | ||
3 |
Does the test lamp illuminate? | -- | ||
4 | Probe the front axle acutator/switch ground circuit with a test lamp that is connected to a battery positive voltage circuit. Does the test lamp illuminate? | -- | ||
5 | Probe the front axle actuator/switch control circuit with a test lamp that is connected to a battery positive voltage circuit. Does the test lamp illuminate? | -- | ||
6 |
Does the test lamp illuminate? | -- | ||
7 |
Does the test lamp illuminate? | -- | ||
8 | Repair the open in the ignition positive voltage circuit between the Engine Wiring Harness Junction Block and the front axle actuator/switch. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | -- | |
9 | Repair the open in the ground circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | -- | |
10 | Repair the open in the transfer case switch ground circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | -- | |
11 | Repair the open in front axle actuator/switch control circuit between the switch and the actuator. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | -- | |
12 | Replace the front axle actuator/switch. Refer to Electric Motor Actuator Replacement in Front Drive Axle. Did you complete the repair? | -- | -- | |
13 | Replace the transfer case switch. Refer to Four-Wheel Drive Indicator Switch Replacement in Front Drive Axle. Did you complete the repair? | -- | -- | |
14 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK |
