| Component Location |

| 1. ICU Junction Block
2. Rear glass defogger switch (Manual type) |
3. Rear glass defogger
switch (Auto type) 4. Rear glass defogger |
Inspection Wrap tin foil around the end of the voltmeter test lead to prevent damaging the heater line.
Troubleshooting Problem Symptoms Table Before replacing or repairing air conditioning components, first determine if the malfunction is due to the refrigerant charge, air flow or compressor. Use the table below to help you find the cause of the problem.
Inspection 1. Turn the ignition switch OFF. 2. Disconnect the intake actuator connector. 3. Verify that the intake actuator operates to the fresh position when connecting 12V to terminal 3 and grounding terminal 4.