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 5 | Go to Step 3 |
3 | Test for an open in the LT GRN or the BLK wire between the junction block and the blower speed selector switch. Was an open found? | -- | Go to Step 11 | Go to Step 4 |
4 | Replace the junction block. Is the repair complete? | -- | -- | |
5 |
Does the test lamp light? | -- | Go to Step 8 | Go to Step 6 |
6 | Test for an open in the PNK wire between S232 and the blower motor. Was an open found? | -- | Go to Step 11 | Go to Step 7 |
7 | Replace the blower speed selector switch. Refer to Control Assembly Replacement . Is the repair complete? | -- | -- | |
8 | Backprobe the blower motor connector with a test lamp from terminal 1 to B+. Does the test lamp light? | -- | Go to Step 10 | Go to Step 9 |
9 | Repair the open in the BLK wire between the blower motor and G202. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | -- | |
10 | Replace the blower motor. Refer to Blower Motor and Fan Replacement . Is the repair complete? | -- | -- | |
11 | Repair the open. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | -- |
