Was the HVAC System Check performed?

Go to Step 2

Go to HVAC System Check

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

Does the test lamp light?

Go to Step 5

Go to Step 3

Test for an open in the LT GRN wire or in the BLK wire between the junction block and the blower speed selector switch.

Is an open present?

Go to Step 11

Go to Step 4

Replace the junction block.

Is the repair complete?

Go to HVAC System Check

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1. Turn the blower speed selector switch to the HIGH position.
2. Backprobe the connector of the blower motor with a test lamp from terminal 2 to ground.

Does the test lamp light?

Go to Step 8

Go to Step 6

Test for an open in the PNK wire between S232 and the blower motor.

Is an open present?

Go to Step 11

Go to Step 7

Replace the blower speed selector switch. Refer to Control Assembly Replacement .

Is the repair complete?

Go to HVAC System Check

--

Backprobe the blower motor with a test lamp from connector terminal 1 to B+.

Does the test lamp light?

Go to Step 10

Go to Step 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?

Go to HVAC System Check

--

Replace the blower motor. Refer to Blower Motor and Fan Replacement .

Is the repair complete?

Go to HVAC System Check

--

Repair the open. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

Go to HVAC System Check

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