Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 |
Does the test lamp light? | -- | ||
2 |
Does the test lamp light? | -- | ||
3 | Connect a fused jumper between the auxiliary cooling fan relay connector cavities 30/87. Does the auxiliary cooling fan motor run? | -- | ||
4 | Connect a test lamp between the auxiliary cooling fan motor connector cavity A and B+. Does the test lamp light? | -- | ||
5 |
Is there continuity? | -- | ||
6 |
Does the auxiliary cooling fan motor run? | -- | ||
7 |
Does the test lamp light? | -- | System OK | |
8 | Repair the open in the CKT 1540 (ORN) wire between the underhood fuse block and the auxiliary cooling fan relay. Refer to Wiring Repairs . Is the repair complete? | -- | System OK | -- |
9 | Repair open in CKT 1240 (ORN) wire between the underhood fuse block and the auxiliary power center. Refer to Wiring Repairs . Is the repair complete? | -- | System OK | -- |
10 | Inspect for an open in CKT 702 (RED) wire between the auxiliary cooling fan relay and the auxiliary cooling fan motor. Refer to Wiring Repairs . If OK, replace the auxiliary cooling fan motor. Refer to Auxiliary Engine Coolant Fan and Fan Motor Replacement . Is the repair complete? | -- | System OK | -- |
11 | Repair open in CKT 250 (BLK) wire between the auxiliary cooling fan motor and G 112. Refer to Wiring Repairs . Is the repair complete? | -- | System OK | -- |
12 | Repair open in CKT 473 (DK BLU) wire between the VCM and the auxiliary cooling fan relay. Refer to Wiring Repairs . Is the repair complete? | -- | System OK | -- |
13 | Replace the auxiliary cooling fan relay. Refer to Cooling Fan Relay Replacement - Auxiliary . Is the repair complete? | -- | System OK | -- |
14 | Inspect for an open in CKT 1614 (DK GRN) wire between the VCM and the heater and A/C control module. Refer to Wiring Repairs . If OK, Replace the heater and A/C control module. Refer to Control Assembly Replacement Is the repair complete? | -- | System OK | -- |
