For 1990-2009 cars only
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). Refer to Testing for Intermittent Conditions and Poor Connections and Wiring Repairs in Wiring Systems. Is the repair complete? | -- | System OK | -- |
3 | There is a fault in the the vacuum source, the vacuum actuators, the vacuum hoses to actuators, the linkage from actuators to values, or faulty valves. Refer to Vacuum System for further diagnosis. Is the action complete? | -- | System OK | Go to Step 4 |
4 | Replace the heater-A/C control. Refer to Control Assembly Replacement . Is the repair complete? | -- | System OK | -- |
