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 3 | -- |
3 | Test for a fault in the vacuum source, vacuum actuators, vacuum hoses to actuators, linkage from actuators to values,or faulty valves. Refer to Temperature Actuator Inoperative for further diagnosis. Is the action complete? | -- | Go to Step 3 | Go to Step 4 |
4 | Replace the heater-A/C control. Refer to Control Assembly Replacement . Is the repair complete? | -- | Go to Step 3 | -- |
5 | Verify that the system operates properly. Does the system operate properly? | -- | System OK |
