Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you review the HVAC operation and perform the necessary inspections? | -- | Go to Step 2 | Go to Symptoms |
2 |
Does the blower motor continue to run? | -- | Go to Step 3 | Go to Step 4 |
3 | Remove the FRONT HVAC fuse. Does the blower motor continue to run? | -- | Go to Step 5 | Go to Step 6 |
4 | Inspect for a short to voltage on CKT 119 (WHT). Refer to Circuit Testing in Wiring Systems. Did you find short to voltage? | -- | Go to Step 10 | Go to Step 9 |
5 |
Did you find voltage on any circuit. | -- | Go to Step 7 | Go to Step 8 |
6 | Inspect for a short to voltage on CKT 340 (ORN). Refer to Circuit Testing in Wiring Systems. Did you find a short to voltage? | -- | Go to Step 11 | Go to Step 12 |
7 | Repair the short to voltage on the affected circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 13 | -- |
8 | Repair the short to voltage on CKT 65 (PPL). Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 13 | -- |
9 | Replace the heater and A/C control module. Refer to Control Assembly Replacement in Heater, Ventilation, and Air Conditioning. Did you complete the replacement? | -- | Go to Step 13 | -- |
10 | Repair the short to voltage on CKT 119 (WHT). Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 13 | -- |
11 | Repair the short to voltage on CKT 340 (ORN). Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 13 | -- |
12 | Replace the resistor and relay pack. Refer to Blower Motor Resistor Replacement in Heating, Ventilation, and Air Conditioning. Did you complete the repair? | -- | Go to Step 13 | -- |
13 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 2 |
