DTC B1434 Evaporator Temperature Sensor Circuit Open

DTC detecting condition: 

Evaporator sensor circuit is open.

Trouble symptom: 

Evaporator temperature is falsely recognized as low, and the compartment temperature is adjusted.

Wiring diagram: 

Air conditioning system Ref. to WIRING SYSTEM>Air Conditioning System>WIRING DIAGRAM .

Fig 1: Air Conditioning System Wiring Diagram (Evaporator Temperature Sensor Circuit Open)

Courtesy of SUBARU OF AMERICA, INC.

Fig 2: Air Conditioning System Evaporator Temperature Sensor Circuit Open Diagnosis Flowchart

Courtesy of SUBARU OF AMERICA, INC.