Driver Temperature Control Inoperative CJ4
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Was the HVAC functional check performed? | -- | Go to Step 2 | Go to Functional Check |
2 | Check the fuse B3-B4 in the fuse block. Is the fuse open? | -- | Go to Step 3 | Go to Step 4 |
3 | Repair short to ground in circuit 41. Is the repair complete? | -- | Go to Functional Check | -- |
4 |
Is the measured voltage within the specified value? | 9-14V | Go to Step 6 | Go to Step 5 |
5 | Repair poor connection or open in circuit 41 between S233 and the front LH temperature actuator harness connector terminal 10. Is the repair complete? | -- | Go to Functional Check | -- |
6 |
Does the voltage vary? | -- | Go to Step 7 | Go to Step 8 |
7 | Replace the front LH temperature actuator. Refer to Temperature Actuator Replacement . Is the repair complete? | -- | Go to Functional Check | -- |
8 | Check for short to ground or short to B+ in circuit 2210. Is there a short to ground or short to B+ in circuit 2210? | -- | Go to Step 9 | Go to Step 10 |
9 | Locate and repair the short to ground or the short to B+ in circuit 2210. Is the repair complete? | -- | Go to Functional Check | -- |
10 | Check for a poor connection or open in circuit 2210 Is there continuity in circuit 2210? | -- | Go to Step 11 | Go to Step 12 |
11 | Repair poor connection or open in circuit 2210. Is the repair complete? | -- | Go to Functional Check | -- |
12 | Replace the HVAC control assembly. Refer to Control Assembly Replacement . Is the repair complete? | -- | Go to Functional Check | -- |
