Chevrolet Trax: Diagnostic information and procedures

SCHEMATIC WIRING DIAGRAMS

HVAC WIRING SCHEMATICS (ENCORE)

Power, Ground, and Blower Motor

Fig. 1: Power, Ground, and Blower Motor

Compressor Controls

Fig. 2: Compressor Controls

Duct and Evaporator Temperature Sensors

Fig. 3: Duct and Evaporator Temperature Sensors

Mode and Temperature Control Actuators

Fig. 4: Mode and Temperature Control Actuators

Sunload Sensor and Windshield Temperature Sensor

Fig. 5: Sunload Sensor and Windshield Temperature Sensor

DIAGNOSTIC INFORMATION AND PROCEDURES

HVAC COMPONENT REPLACEMENT REFERENCE

HVAC Component Replacement Reference

DIAGNOSTIC CODE INDEX

DIAGNOSTIC CODE INDEX

• DTC B0163, B0183, OR B1405: Passenger compartment temperature sensor/solar load sensor/control module voltage reference
• DTC B018A, B048C, B048F, OR B1395: Windshield temperature sensor/humidity sensor/control module voltage reference
• DTC B0193: Front blower motor speed circuit
• DTC B0223, B022A, B0233, B023A, B0408, OR B0418: Recirculate position command/air flow control/temperature control circuit
• DTC P0532 OR P0533: Air conditioning (a/c) refrigerant pressure sensor
• DTC P0645, P0646, OR P0647: Air conditioning (A/C) compressor clutch relay
• Symptoms - HVAC systems - automatic
• HVAC System malfunction
• Air conditioning compressor malfunction
• Actuator recalibration

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