For 1990-2009 cars only
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Check the HVAC/CTL fuse in the fuse block. Is the HVAC/CTL fuse open? | -- | Go to Step 2 | Go to Step 3 |
2 | Locate and repair a short to ground in circuit 41 (BRN). Is the repair complete? | -- | Go to Step 5 | -- |
3 | Check for a fault in the vacuum source, the vacuum actuators, the vacuum hoses to actuators, the linkage from actuators to values, or faulty valves. Refer to Temperature Actuator Inoperative for further diagnosis. Is the action complete? | -- | Go to Step 5 | Go to Step 4 |
4 | Replace the heater-A/C control. 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 |
