Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the Radio/Audio System Check? | -- | Go to Step 2 | Go to Radio/Audio System Check |
2 | Inspect for vehicle speed sensor diagnostic trouble codes (DTCs). Refer to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls - 2.2L or Powertrain On Board Diagnostic (OBD) System Check in Engine Controls - 4.3L. Repair as necessary. Where any repairs performed? | -- | Go to Radio/Audio System Check | Go to Step 3 |
3 | Test drive the vehicle. Verify that the speedometer operates. Does the speedometer operate? | -- | Go to Step 9 | Go to Step 4 |
4 | 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 5 | Go to Step 6 |
5 | Repair the open in CKT 389 (DK GRN). Is the repair complete? | -- | Go to Radio/Audio System Check | -- |
6 | Test CKT 389 (DK GRN) for a short to ground. Is there a short to ground in CKT 389 (DK GRN) | -- | Go to Step 7 | Go to Step 8 |
7 | Repair the short to ground in CKT 389 (DK GRN). Is the repair complete? | -- | Go to Radio/Audio System Check | -- |
8 | Replace the PCM/VCM control module. Refer to Powertrain Control Module Replacement in Engine Controls - 2.2L or VCM Replacement/Programming in Engine Controls - 4.3L. Is the replacement complete? | -- | Go to Radio/Audio System Check | -- |
9 | 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 5 | Go to Step 10 |
10 | Service the radio. Refer to Radio Replacement . Is service of the radio complete? | -- | Go to Radio/Audio System Check | -- |
