Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Was the heater-A/C Diagnostic System Check performed? | -- | Go to Step 2 | Go to Diagnostic System Check |
2 |
Does the test lamp light? | -- | Go to Step 4 | Go to Step 3 |
3 |
Does the test lamp light? | -- | Go to Step 5 | Go to Step 6 |
4 | Locate and repair a short to ground on circuit 706 (LT BLU). Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 7 | -- |
5 | Replace the vacuum/electric solenoid module. Refer to Vacuum Electrical Solenoid Replacement . Is the repair complete? | -- | Go to Step 7 | -- |
6 | Replace the heater-A/C control module. Refer to Control Assembly Replacement . Is the repair complete? | -- | Go to Step 7 | -- |
7 | Verify that the system operates properly. Does the system operate properly? | -- | System OK | Go to Diagnostic System Check |
