Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the Heater Blower Controls System Check? | -- | Go to Step 2 | |
2 |
Did the test lamp light? | -- | Go to Step 3 | Go to Step 5 |
3 | Check that the A/C Fuse is not open. Is the A/C Fuse open? | -- | Go to Step 8 | Go to Step 9 |
4 | Replace the blower motor resistor and relay pack. Refer to Blower Motor Resistor Replacement . Is the repair complete? | -- | -- | |
5 | Use a test lampJ 35616-200 in order to backprobe from the HVAC control module connector C2 CKT 52 (ORN) cavity D to ground. Did the test lamp light? | -- | Go to Step 6 | Go to Step 7 |
6 | Repair the open in CKT 52 (ORN) between the HVAC control module and the blower motor resistor and relay pack. Is the repair complete? | -- | -- | |
7 | Replace the HVAC control module. Refer to Heater Module Replacement - Auxiliary. Is the repair complete? | -- | -- | |
8 | Locate and repair overload. Replace A/C Fuse. Does the system operate properly? | -- | Go to Step 2 | |
9 | Connect a test lampJ 35616-200 from blower motor resistor and relay pack connector CKT 542 (RED) cavity A to ground. Does the test lamp light? | -- | Go to Step 4 | Go to Step 10 |
10 | Connect a test lampJ 35616-200 from connector C101 CKT 542 (RED) cavity E to ground. Does the test lamp light? | -- | Go to Step 11 | Go to Step 12 |
11 | Repair open in CKT 542 (RED) between C101 cavity E and the blower motor resistor and relay pack connector cavity A. Is the repair complete? | -- | -- | |
12 | Connect a test lampJ 35616-200 from connector C100 CKT 542 (RED) cavity E2 to ground. Does the test lamp light? | -- | Go to Step 13 | Go to Step 14 |
13 | Repair open in CKT 542 (RED) between connector C100 cavity E2 and connector C101 cavity E. Is the repair complete? | -- | -- | |
14 | Repair open in CKT 542 (RED) between connector C100 cavity E2 and the Underhood Fuse-Relay Center. Is the repair complete? | -- | -- |
