Liquid line transducer validation formula
Field validation formula for liquid-pressure transducer: PSIG = 812.5 × (VDC out / VDC in) - 51.85
This code typically points to
- Used when validating suspected liquid/high-side transducer error
Next checks to confirm
- Measure VDC in at red/black wires at back of transducer harness
- Measure VDC out at green/black wires at back of transducer harness
- Calculate: PSIG = 812.5 × (VDC out / VDC in) - 51.85
- Compare calculated PSIG to actual refrigerant gauge reading
Escalation
None; field diagnostic aid
Reset behavior
Not applicable.
Informational
No action needed