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 |
Is continuity present? | -- | Go to Step 5 | Go to Step 15 |
5 | Is vehicle equipped with a rear HVAC control module? | -- | Go to Step 8 | Go to Step 6 |
6 |
Is continuity present? | -- | Go to Step 16 | Go to Step 7 |
7 |
Is continuity present? | -- | Go to Step 17 | Go to Step 19 |
8 | Does auxiliary blower motor operate from the rear auxiliary HVAC control module? | -- | Go to Step 9 | Go to Step 11 |
9 |
Is continuity present? | -- | Go to Step 16 | Go to Step 10 |
10 |
Is continuity present? | -- | Go to Step 18 | Go to Step 19 |
11 |
Is continuity present? | -- | Go to Step 16 | Go to Step 12 |
12 |
Is continuity present? | -- | Go to Step 20 | Go to Step 21 |
13 | Repair the open in CKT 1542 (RED) between splice S412 and the auxiliary blower motor low speed relay connector. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
14 | Repair the open in CKT 341 (BRN) between splice S405 and the auxiliary blower motor low speed relay connector. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
15 | Repair the open in CKT 1172 (YEL) between splice S413 and the auxiliary blower motor low speed relay connector. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
16 | Replace the auxiliary blower motor low speed relay. Is the repair complete? | -- | -- | |
17 | Repair the open in CKT 1926 (DK BLU) / 60 (YEL) between the auxiliary blower motor low speed relay connector and the front auxiliary HVAC control module connector. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
18 | Repair the open in CKT 60 (YEL) between the front auxiliary HVAC control module connector and splice S321 Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
19 | Replace the front auxiliary HVAC control module. Refer to Control Switch Replacement - Auxiliary . Is the repair complete? | -- | -- | |
20 | Repair the open in CKT 60 (YEL)between the rear auxiliary HVAC control module connector and splice S321 Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
21 | Replace the rear auxiliary HVAC control module. Refer to Control Switch Replacement - Auxiliary . Is the repair complete? | -- | -- |
