For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Was the HVAC Blower Controls System Check performed? | -- | Go to Step 2 | Go to HVAC Blower Controls System Check
2 |

1. Turn the ignition switch to the ON position.
2. Move the blower speed selector switch to the M2 position.
3. Backprobe the blower speed selector switch connector with a test lamp from terminal 6 to ground.

Does the test lamp light?

--

Go to Step 3

Go to Step 6

3 | Test for an open in the PNK/BLU wire between the blower speed selector switch and the blower motor resistor. Was an open found? | -- | Go to Step 4 | Go to Step 5
4 | Repair the open in the PNK/BLU wire between the blower speed selector and the blower motor resistor. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to HVAC Blower Controls System Check | --
5 | Replace the blower motor resistor. Refer to Blower Motor Resistor Replacement . Is the repair complete? | -- | Go to HVAC Blower Controls System Check | --
6 | Replace the blower speed selector switch. Refer to Control Assembly Replacement . Is the repair complete? | -- | Go to HVAC Blower Controls System Check | --