For 1990-2009 cars only
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the HVAC Diagnostic System Check? | -- | Go to Step 2 | Go to Diagnostic System Check |
2 | A fault has occurred in the vacuum selector, vacuum source, vacuum actuators, vacuum hoses to actuators, linkage from actuators to values, or faulty valves. Inspect the system for these conditions. Were any leaks found? | -- | Go to Step 4 | Go to Step 3 |
3 | Refer to Vacuum System for further diagnosis. Is the repair complete? | -- | Go to Step 5 | -- |
4 | Replace the Heater A/C Control Module. Refer to Control Assembly Replacement . Is the repair complete? | -- | Go to Step 5 | -- |
5 | Verify that the system operates properly . Does the system operate properly ? | -- | System OK | Go to Symptoms |
