Step | Action | Value(s) | Yes | No |
---|---|---|---|---|
1 | Has the HVAC Blower Controls System Check been performed? | -- | Go to Step 2 | |
2 |
Is battery voltage present? | -- | Go to Step 4 | Go to Step 3 |
3 |
Is continuity present? | -- | Go to Step 6 | Go to Step 5 |
4 | Replace the blower resistor. Refer to Blower Motor Resistor Replacement Is the repair complete? | -- | -- | |
5 | Replace the HVAC control module. Refer to Control Assembly Replacement . Is the repair complete? | -- | -- | |
6 | Locate and repair the open in CKT 72 (LT BLU) between the HVAC control module and the blower resistor. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | -- |