Step | Action | Value(s) | Yes | No |
---|---|---|---|---|
1 | Was the HVAC Blower Controls System Check performed? | -- | Go to Step 2 | |
2 |
Does the test lamp light? | -- | Go to Step 3 | Go to Step 8 |
3 |
Does the test lamp light? | -- | Go to Step 4 | Go to Step 9 |
4 |
Is continuity present? | -- | Go to Step 5 | Go to Step 10 |
5 |
Is continuity present? | -- | Go to Step 6 | Go to Step 11 |
6 |
Is continuity present? | -- | Go to Step 7 | Go to Step 12 |
7 |
Is continuity present? | -- | Go to Step 13 | Go to Step 14 |
8 | Repair the open in CKT 1542 (RED) between the underhood fuse-relay center and splice S412. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
9 | Repair the open in CKT 341 (BRN) between the instrument panel fuse block and splice S405. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
10 | Repair the open in CKT 150 (BLK) between the front auxiliary HVAC control module and ground G400. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
11 | Replace the front auxiliary HVAC control module. Refer to Control Switch Replacement - Auxiliary . Is the repair complete? | -- | -- | |
12 | Repair the open in CKT 150 (BLK) between the auxiliary blower motor and ground G400. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
13 | Replace the auxiliary blower motor. Refer to Auxiliary Blower Motor Replacement . Is the repair complete? | -- | -- | |
14 | Repair the open in CKT 1172 (YEL) between splice S413 and the auxiliary blower motor. Refer to Wiring Repairs . Is the repair complete? | -- | -- |
Step | Action | Value(s) | Yes | No |
---|---|---|---|---|
1 | Was the HVAC Blower Controls System Check performed? | -- | Go to Step 2 | |
2 |
Does the test lamp light? | -- | Go to Step 3 | Go to Step 13 |
3 |
Does the test lamp light? | -- | Go to Step 4 | Go to Step 14 |
4 |
Does the test lamp light? | -- | Go to Step 5 | Go to Step 15 |
5 | Does the auxiliary blower motor operate when controlled by the rear auxiliary HVAC control module? | -- | Go to Step 6 | Go to Step 9 |
6 |
Is continuity present? | -- | Go to Step 7 | Go to Step 16 |
7 |
Is continuity present? | -- | Go to Step 8 | Go to Step 17 |
8 |
Is continuity present? | -- | Go to Step 18 | Go to Step 19 |
9 |
Is continuity present? | -- | Go to Step 10 | Go to Step 16 |
10 |
Is continuity present? | -- | Go to Step 11 | Go to Step 20 |
11 |
Did the diode test good? | -- | Go to Step 12 | Go to Step 21 |
12 |
Is continuity present? | -- | Go to Step 22 | Go to Step 23 |
13 | Repair the open in CKT 1542 (RED) between the underhood fuse-relay center and splice S412. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
14 | Repair the open in CKT 341 (BRN) between the instrument panel fuse block and splice S405. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
15 | Repair the open in CKT 150 (BLK) between the front auxiliary HVAC control module connector and ground G400. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
16 | Replace the front auxiliary HVAC control module. Refer to Control Switch Replacement - Auxiliary . Is the repair complete? | -- | -- | |
17 | Repair the open in CKT 150 (BLK) between the auxiliary blower motor connector and ground G400. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
18 | Replace the auxiliary blower motor. Refer to Auxiliary Heater Core Replacement . Is the repair complete? | -- | -- | |
19 | Repair the open in CKT 1172 (YEL) between splice S413 and the auxiliary blower motor. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
20 | Repair the open in CKT 203 (LT BLU) between the front auxiliary NVAC control module connector and the heater and A/C control logic module connector. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
21 | Replace the heater and A/C control logic module. Is the repair complete? | -- | -- | |
22 | Repair the open in CKT 77 (DK BLU between the heater and A/C control logic module connector and the rear auxiliary HVAC control module connector. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
23 | Replace the rear auxiliary HVAC control module. Refer to Control Switch Replacement - Auxiliary . Is the repair complete? | -- | -- |