Step | Action | Yes | No | ||||||
---|---|---|---|---|---|---|---|---|---|
Schematic Reference: Cruise Control Schematics Connector End View Reference: Cruise Control Connector End Views | |||||||||
1 | Did you perform the Cruise Control Diagnostic System Check? | Go to Step 2 | |||||||
2 |
Does the Cruise indicator illuminate in the IPC? | Go to Step 4 | Go to Step 3 | ||||||
3 | Replace the IPC. Refer to Instrument Cluster Replacement in Instrument Panel, Gages, and Console. Did you complete the replacement? | Go to Step 5 | -- | ||||||
4 |
Important: Program the replacement PCM. Replace the PCM. Refer to the appropriate procedure:
Did you complete the replacement? | Go to Step 5 | -- | ||||||
5 | Operate the system in order to verify the repair. Does the system operate properly? | System OK | Go to Step 2 |
Step | Action | Values | Yes | No |
---|---|---|---|---|
Schematic Reference: Cruise Control Schematics Connector End View Reference: Cruise Control Connector End Views | ||||
1 | Did you perform the Cruise Control Diagnostic System Check? | -- | Go to Step 2 | |
2 |
Does the Cruise indicator illuminate in the IPC? | -- | Go to Step 3 | Go to Step 8 |
3 |
Does the voltage measure at approximately the specified voltage? | B+ | Go to Step 4 | Go to Step 5 |
4 | Test the cruise control engaged signal circuit for a short to voltage. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 10 | Go to Step 7 |
5 | Test the cruise control engaged signal circuit for an open or for a high resistance. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 10 | Go to Step 6 |
6 | Inspect for poor connections at the harness connector of the PCM. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 10 | Go to Step 9 |
7 | Replace the cruise control module. Refer to Cruise Control Module Replacement . Did you complete the replacement? | -- | Go to Step 10 | -- |
8 | Replace the instrument panel cluster (IPC). Refer to Instrument Cluster Replacement in Instrument Panel, Gages, and Console. Did you complete the replacement? | -- | Go to Step 10 | -- |
9 |
Important: Program the replacement PCM. Replace the PCM. Refer to Powertrain Control Module Replacement in Engine Controls-4.3L. Did you complete the replacement? | -- | Go to Step 10 | -- |
10 | Operate the system in order to verify the repair. Does the system operate properly? | -- | System OK | Go to Step 2 |