Was the System Diagnostic Check performed?

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Go to Step 2

Go to Diagnostic System Check

1. Disconnect the blower motor resistor connector.
2. Place the ignition switch in the RUN position.
3. Place the heater-A/C control in the VENT position.
4. Place the blower control in the LOW position.
5. Use a test lamp to backprobe between the blower motor resistor connector terminal D and ground.

Did the test lamp light?

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Go to Step 3

Go to Step 4

Replace the blower motor resistor. Refer to Blower Motor Resistor Replacement .

Is the repair complete?

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Go to Step 7

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1. Place the ignition switch in the OFF position.
2. Disconnect the heater-A/C control connector C1.
3. Inspect the CKT 60 (YEL) for a poor or an open connection or, a short to ground between the blower motor resistor connector and the heater-A/C control connector C1.

Is there a fault in circuit?

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Go to Step 5

Go to Step 6

Repair the fault in the CKT 60 (YEL).

Is the repair complete?

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Go to Step 7

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Replace the heater-A/C control. Refer to Control Assembly Replacement .

Is the repair complete?

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Go to Step 7

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Verify that the system operates properly.

Does the system operate properly?

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System OK

Go to Symptoms