B1642

DTC B1642 REFRIGERANT FLOW SENSOR CIRCUIT OPEN

DTC DETECTING CONDITION:
- The voltage of the sensor signal line increased to 4.7 V or more.
- Short-circuit in flow sensor circuit

TROUBLE SYMPTOM:
- A/C does not function because refrigerant flow amount cannot be measured.
- DTC "B1642" Open circuit in refrigerant flow sensor was detected.
- DTC "43" Open circuit in refrigerant flow sensor was detected.

WIRING DIAGRAM: