Step | Action | Value(s) | Yes | No |
---|---|---|---|---|
1 | Check the HVAC fuse in the fuse block. Is the HVAC 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 | There is a fault in the vacuum source, vacuum actuators, vacuum hoses to actuators, linkage from actuators to values, or faulty valves. Refer to Vacuum System 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 operrates properly. Does the system operate properly? | -- | System OK | Go to Symptoms |