For 1990-2009 cars

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

1. Disconnect the auxiliary blower motor resistor connector.
2. Place the blower switch in the inoperative position.
3. Connect a test light from the auxiliary blower motor resistor connector inoperative terminal (1=C, 2=D, 3=B) to B+ on the harness connector.

Is the test light on?

--

Go to Step 3

Go to Step 4

3 | Replace the auxiliary blower motor resistor. Refer to Auxiliary Blower Motor Resistor Replacement . Is the repair complete? | -- | Go to Step 7 | --
4 | Backprobe with a test light between the rear window wiper/washer and multi-function switch connector C2 of the inoperative terminal (1=A, 2=C, 3=B) and B+. Is the test light on? | -- | Go to Step 5 | Go to Step 6
5 | Repair the open in the inoperative circuit (1=1176, 2=1072, 3=1052). Is the repair complete? | -- | Go to Step 7 | --
6 | Replace the rear window wiper/washer and multi-function switch. Refer to Auxiliary Air Conditioning (A/C) Control Assembly Replacement - Front . Is the repair complete? | -- | Go to Step 7 | --
7 |

1. Turn the ignition switch to the OFF position.
2. Reconnect all connectors/components disconnected.

Have all repairs been made?

--

Go to HVAC System Check

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