Automatic Climate Controls

- Try the following checks before doing the System Checks.

1. Check Instrument Panel (I/P) Fuse Block Fuses 11 and 17 by visual inspection.

2. Check RH Underhood Fuse Block Fuse 3 by visual inspection.

3. Check that Blower Motor connectors and Blower Control Module connectors are mated correctly and firmly seated.

4. If the Steering Wheel Controls do not operate the Radio or the Heater and A/C Controls, Refer to steering wheel controls.

5. If the Steering Wheel Controls operate the Radio, but do not operate the Heater and A/C Controls, Refer to Air Door Actuators / System Diagnosis / Procedures / Air Delivery and Temperature Control. Testing and Inspection

6. If Blower runs with Ignition Switch OFF, check PPL (65) wire, ORN (761) wire and Relay Center Fuse 1 for a short to battery. If OK, replace Blower Control Module.

7. If exterior temperature or set temperature flashes for first two minutes of operation, Refer to Air Door Actuators / System Diagnosis / Procedures / Air Delivery and Temperature Control. Testing and Inspection

8. If external or set temperature is displayed in degrees Celsius when Ignition Switch is turned to RUN, check HVAC Programmer connector terminal C6 for a BLK wire. If one is present, cut it, tape the end to prevent shorts and tape the wire back to the wiring harness.

- Try the following checks before doing the System Checks.

- Refer to A/C System / System Diagnosis / Procedures / Functional Test for a guide to normal compressor control operation. Testing and Inspection

- Refer to System Diagnosis for diagnostic tests. System Diagnosis