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P1621,P1622

Read the instructions below then start the fault diagnostic procedure.

Symptom: No A/C function.

P1621 , P1622

A/C relay, output from control module low/high, no continuity or shorting to ground/batt+.


Fault symptom

No A/C function.

Condition

No continuity or shorting to ground/batt+ in the circuit to pin 33.