Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you review the radio/audio system operation and perform the necessary inspections? | -- | Go to Step 2 | Go to Symptoms |
2 | Verify that the speed compensated volume is inoperative. Does the volume operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Inspect for vehicle speed sensor diagnostic trouble codes (DTCs). Repair as necessary. Were any repairs performed? | -- | Go to Step 12 | Go to Step 4 |
4 | Test drive the vehicle. Verify that the speedometer operates. Does the speedometer operate? | -- | Go to Step 10 | Go to Step 5 |
5 | Test CKT 389 (DK GRN) for an open between the PCM/VCM control module and connector C203. Is there an open in CKT 389 (DK GRN)? | -- | Go to Step 6 | Go to Step 7 |
6 | Repair the open in CKT 389 (DK GRN). Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 12 | -- |
7 | Test CKT 389 (DK GRN) for a short to ground. Is there a short to ground in CKT 389 (DK GRN) | -- | Go to Step 8 | Go to Step 9 |
8 | Repair the short to ground in CKT 389 (DK GRN). Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 12 | -- |
9 | Replace the PCM/VCM control module. Refer to Powertrain Control Module Replacement/Programming or VCM Replacement/Programming . Is the replacement complete? | -- | Go to Step 12 | -- |
10 | Test CKT 389 (DK GRN) for an open between the radio and connector C203. Is there an open in CKT 389 (DK GRN)? | -- | Go to Step 6 | Go to Step 11 |
11 | Service the radio. Refer to Radio Replacement . Is service of the radio complete? | -- | Go to Step 12 | -- |
12 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |
