Step | Action | Value(s) | Yes | No |
---|---|---|---|---|
1 | Replace the blower motor relay with a known good relay. Does the blower motor operate properly? | -- | Go to Step 2 | Go to Step 3 |
2 | Replace the blower motor relay. Is the repair complete? | -- | -- | |
3 |
Does the test lamp light? | -- | Go to Step 4 | Go to Step 5 |
4 | Repair the short to battery positive in CKT 52 between the heater A/C control assembly connector C1 terminal C and the underhood wiring harness junction block connector C3 terminal D9. Refer to Wiring Repairs in wiring systems. Is the repair complete? | -- | -- | |
5 |
Does the test lamp light? | -- | Go to Step 6 | Go to Step 7 |
6 | Replace the underhood wiring harness junction block. Refer to Relay/Fuse Center Replacement Is the repair complete? | -- | -- | |
7 |
Does the test lamp light? | -- | Go to Step 8 | Go to Step 9 |
8 | Repair the short to positive battery voltage in CKT 65 between the underhood wiring harness junction block and the blower motor connector. Is the repair complete? | -- | -- | |
9 | Replace the heater A/C control assembly. Refer to Control Assembly Replacement Is the repair complete? | -- | -- |