Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Was the HVAC Functional Check performed? | -- | Go to Step 2 | Go to Functional Check |
2 | Inspect the fuse B3-B4 in the fuse block. Is the fuse open? | -- | Go to Step 3 | Go to Step 4 |
3 | Locate and repair a short to ground in circuit 41. Is the repair complete? | -- | Go to Functional Check | -- |
4 |
Is the measured voltage within the specified range? | 9-14V | Go to Step 6 | Go to Step 5 |
5 | Repair a poor connection or an open in circuit 41 between S233 and the rear temperature actuator harness connector terminal 10. Is the repair complete? | -- | Go to Functional Check | -- |
6 |
Does the voltage vary between the specified range? | 0.5-4.5V | Go to Step 7 | Go to Step 8 |
7 | Replace the rear temperature actuator. Refer to Temperature Actuator Replacement . Is the repair complete? | -- | Go to Functional Check | -- |
8 | Inspect for a short to ground or a short to B+ in circuit 2214. Is there a short to ground or a short to B+ in circuit 2214? | -- | Go to Step 9 | Go to Step 10 |
9 | Repair a short to ground or a short to B+ in circuit 2214. Is the repair complete? | -- | Go to Functional Check | -- |
10 | Inspect for a poor connection or an open in circuit 2214 between the rear HVAC control assembly harness connector terminal G and the rear temperature actuator harness connector terminal 8. Is there continuity in circuit 2214? | -- | Go to Step 12 | Go to Step 11 |
11 | Repair a poor connection or an open in circuit 2214. Is the repair complete? | -- | Go to Functional Check | -- |
12 | Replace the rear HVAC control assembly. Refer to Control Assembly Replacement . Is the repair complete? | -- | Go to Functional Check | -- |
