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Section 158 (Automatic HVAC - Diagnostics)
Section 158 (Automatic HVAC - Diagnostics)
WARNING:
This page is about a different car, the 2003 Subaru Outback and 2003 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.
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Basic Diagnostic Procedure
Procedure
General Description
Caution
Inspection
Notes
Battery
Aspirator Hose
Refrigerant Line
Control Linkage
Control Switches
Electrical Components Location
Location
A/C Control Module I/O Signal
Electrical Specification
Schematic
Self-Diagnosis Procedure
Operation
Notes
Operating Mode Table
Diagnostics for A/C System Failure
A/C And/Or Self-Diagnosis Systems Do Not Operate
Trouble Symptom:
Blower Motor Does Not Rotate
Trouble Symptom:
Compartment Temperature Does Not Change From "Set" Temperature Or Air Conditioning System Does Not Respond Quickly
Fresh/RECIRC Does Not Change
Trouble Symptom:
List of Diagnostic Trouble Codes
List
Diagnostic Trouble Codes For Sensor And Potentiometer
Diagnostic Trouble Codes For Mode Door Position Switch
Diagnostic Procedure with Diagnostic Trouble Codes
DTC 21, -21: Ambient Sensor
Trouble Symptom:
DTC 22, -22: In-Vehicle Sensor
Trouble Symptom:
DTC 24, -24: Evaporator Sensor
DTC 25, -25: SUNLOAD Sensor
Trouble Symptom:
DTC 31, 32, 33, 34, 35: Mode Door Actuator
Trouble Symptom:
Symptom Related Diagnostic
General Diagnostics Table