Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the Heater Blower Controls System Check? | -- | Go to Step 2 | |
2 | Check that the HTR-A/C (Fuse 12) is not open. Is the fuse open? | -- | Go to Step 19 | Go to Step 3 |
3 |
Did the test lamp light? | -- | Go to Step 4 | Go to Step 5 |
4 | Replace the front blower motor. Refer to Blower Motor and Fan Replacement . Is the replacement complete? | -- | -- | |
5 | Connect a test lampJ 35616-200 from the front blower motor connector CKT 65 (PPL) cavity A to ground. Did the test lamp light? | -- | Go to Step 6 | Go to Step 7 |
6 |
Is there continuity? | -- | Go to Step 8 | Go to Step 9 |
7 |
Did the test lamp light? | -- | Go to Step 11 | Go to Step 10 |
8 | Inspect CKT 350 (BLK) for an open between the front blower motor and the blower motor resistor and relay pack. Does an open exist? | -- | Go to Step 12 | Go to Step 13 |
9 | Check that Ground G100 is clean and tight. Is G100 clean and tight? | -- | Go to Step 20 | Go to Step 21 |
10 | Repair the open in CKT 141 (ORN) between the HVAC control module and the instrument panel fuse block. Is the repair complete? | -- | -- | |
11 | Use a test lampJ 35616-200 in order to backprobe from the heater control module connector C2 CKT 119 (WHT) cavity G to ground. Did the test lamp light? | -- | Go to Step 15 | Go to Step 14 |
12 | Repair the open in CKT 350 (BLK) between the front blower motor and the blower motor resistor and relay pack. Is the repair complete? | -- | -- | |
13 | Replace the blower motor resistor and relay pack. Refer to Blower Motor Resistor Replacement . Is the repair complete? | -- | -- | |
14 | Replace the heater control module. Refer to Heater Module Replacement - Auxiliary. Is the repair complete? | -- | -- | |
15 | Use a test lampJ 35616-200 in order to backprobe from the heater control module connector C3 CKT 119 (WHT) cavity A to ground. Did the test lamp light? | -- | Go to Step 17 | Go to Step 16 |
16 | Repair the open in CKT 119 (WHT) between the connector C2 cavity G and the connector C3 cavity A of the HVAC control module. Is the repair complete? | -- | -- | |
17 |
Did the test lamp light? | -- | Go to Step 13 | Go to Step 18 |
18 | Repair the open in CKT 52 (ORN) between the heater control module and the blower motor resistor and relay pack. Is the repair complete? | -- | -- | |
19 |
Is the repair complete? | -- | -- | |
20 | Repair the open in CKT 350 (BLK) between ground G100 and the blower motor resistor and relay pack. Is the repair complete? | -- | -- | |
21 | Repair Ground G100 Is the repair complete? | -- | -- |
