Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Inspect the DIC/HVAC fuse in the fuse block. Is the DIC/HVAC fuse open? | -- | Go to Step 2 | Go to Step 3 |
2 | Repair the short to ground in circuit 541 (BRN). Refer to Testing for Intermittent Conditions and Poor Connections and Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 10 | -- |
3 |
Does the test lamp light? | -- | Go to Step 5 | Go to Step 4 |
4 | Repair a poor connection or an open in circuit 541 (BRN) between the fuse block and the vacuum/electric solenoid connector. Refer to Testing for Intermittent Conditions and Poor Connections and Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 10 | -- |
5 |
Does the test lamp light? | -- | Go to Step 7 | Go to Step 6 |
6 | A fault exists in the vacuum/electric solenoid. Replace the unit. Refer to Vacuum Electrical Solenoid Replacement . Is the repair complete? | -- | Go to Step 10 | -- |
7 |
Does the test lamp light? | -- | Go to Step 10 | Go to Step 8 |
8 | Replace the heater A/C Control module. Refer to Control Assembly Replacement . Is the repair complete? | -- | Go to Step 10 | -- |
9 | Locate and repair a short to ground in circuit 362 (RED) between the vacuum/electric solenoid connector terminal 2 and the heater A/C control module connector terminal D10. Refer to Testing for Intermittent Conditions and Poor Connections and Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 10 | -- |
10 | Verify that the system operates properly. Does the system operate properly ? | -- | System OK | Go to Diagnostic System Check |
