Climate Control Systems

Component Location Index
General Troubleshooting Information
- How to Retrieve a Diagnostic Trouble Codes
- Displaying Sensor Inputs at the Climate Control Unit
- Check these items before using the sensor input display mode
- To run the sensor input display mode, follow these steps.
Diagnostic Trouble Codes Troubleshooting Index
Symptom Troubleshooting Index
System Description
- Climate Control Unit Inputs and Outputs (Without Navigation System)
- Climate Control Unit Inputs and Outputs (With Navigation System)
Circuit Diagram
Diagnostic Trouble Codes Troubleshooting
- Notes
- DTC indicator A: An Open in the In-car Temperature Sensor Circuit
- DTC indicator B: A Short in the In-car Temperature Sensor Circuit
- DTC indicator C: An Open in the Outside Air Temperature Sensor Circuit
- DTC indicator D: A Short in the Outside Air Temperature Sensor Circuit
- DTC indicator E: An Open in the Sunlight Sensor Circuit
- DTC indicator F: A Short in the Sunlight Sensor Circuit
- DTC indicator G: An Open in the Evaporator Temperature Sensor Circuit
- DTC indicator H: A Short in the Evaporator Temperature Sensor Circuit
- DTC indicator I: An Open in the Air Mix Control Motor Circuit
- DTC indicator J: A Short in the Air Mix Control Motor Circuit
- DTC indicator K: A Problem in the Air Mix Control Linkage, Door, or Motor
- DTC indicator L: An Open or Short in the Mode Control Motor Circuit
- DTC indicator L: A Problem in the Mode Control Motor Circuit
- DTC indicator M: A Problem in the Mode Control Linkage, Doors, or Motor
- DTC indicator N: A Problem in the Blower Motor Circuit
ECT Sensor Circuit Troubleshooting.
Recirculation Control Motor Circuit Troubleshooting.
A/C Pressure Switch Circuit Troubleshooting.
Climate Control Power and Ground Circuit Troubleshooting.
Climate Control Panel Troubleshooting.
- With Navigation System
Manual Switch (Navigation System Display) Troubleshooting
In-car Temperature Sensor Test.
In-car Temperature Sensor Replacement
Outside Air Temperature Sensor Test
Outside Air Temperature Sensor Replacement
Sunlight Sensor Test
Sunlight Sensor Replacement
Power Transistor Test
Climate Control Unit Removal and Installation
- Without Navigation System
Climate Control Panel Removal and Installation
- With Navigation System
Climate Control Unit Disassembly and Reassembly.
- Without Navigation System