Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Inspect the fuse block to determine if the HVAC/CTRL fuse is open. Is the HVAC/CTRL fuse open? | -- | Go to Step 2 | Go to Step 5 |
2 |
Does the test lamp light? | -- | Go to Step 3 | Go to Step 4 |
3 | Locate and repair a short to ground in CKT 41 (BRN). Is the repair complete? | -- | Go to Step 12 | -- |
4 |
Does the test lamp light? | -- | Go to Step 9 | Go to Step 8 |
5 |
Does the test light illuminate? | -- | Go to Step 6 | Go to Step 9 |
6 | Use a test lamp to probe between the blower motor connector terminal A and terminal B. Does the test light illuminate? | -- | Go to Step 7 | Go to Step 10 |
7 | Replace the blower motor. Refer to Blower Motor and Fan Replacement . Is the repair complete? | -- | Go to Step 12 | -- |
8 | Replace the heater-A/C control. Refer to Control Assembly Replacement . Is the repair complete? | -- | Go to Step 12 | -- |
9 |
Does the test light illuminate? | -- | Go to Step 10 | Go to Step 11 |
10 | Replace the blower motor resistor. Refer to Blower Motor Resistor Replacement . Is the repair complete? | -- | Go to Step 12 | -- |
11 | Locate and repair a poor connection or an open in CKT 150 (BLK) between the blower motor resistor connector C 1 terminal E and G200. Is the repair complete? | -- | Go to Step 12 | -- |
12 | Verify that the system operates properly. Does the system operate properly? | -- | System OK | Go to Symptoms |
