For 1990-2009 cars only
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 |
Does the test lamp light? | -- | Go to Step 2 | Go to Step 4 |
2 | Connect a test lamp between B+ and circuit 363 (TAN) at the heater A/C control connector C 2, terminal A 7. Does the test lamp light? | -- | Go to Step 3 | Go to Step 5 |
3 | Locate and repair a short to ground on circuit 363 (TAN) between the vacuum/electric solenoid harness connector terminal 4 and the heater A/C control connector C 2, terminal A 7. Is the repair complete? | -- | System OK | -- |
4 | Replace the vacuum/electric solenoid module. Refer to Vacuum Electrical Solenoid Replacement . Is the repair complete? | -- | System OK | -- |
5 | Replace the Heater A/C Control Assembly. Refer to Control Assembly Replacement . Is the repair complete? | -- | System OK | -- |
