No.23 A/C Does Not Work Sufficiently: Notes

23	A/C DOES NOT WORK SUFFICIENTLY
DESCRIPTION	A/C compressor magnetic clutch does not engage when A/C is turned on.
POSSIBLE CAUSE	PCM or climate control unit DTC is stored. Refrigerant pressure sensor malfunction Improper refrigerant charging amount Seized A/C compressor Evaporator temperature sensor malfunction Open or short circuit in wiring harness between evaporator temperature sensor and climate control unit Instrument cluster malfunction (Does not receive A/C request signal from climate control unit or transmit it to PCM.) Information display malfunction Climate control unit malfunction (A/C switch malfunction or climate control unit does not determine A/C request or transmit the A/C request signal.) Open or short circuit in wiring harness between climate control unit terminal 1L and instrument cluster terminal 1A (Manual air conditioner) Magnetic clutch malfunction Open circuit in wiring harness between magnetic clutch terminal A and body ground A/C relay malfunction Open circuit in wiring harness between A/C relay and PCM terminal 1I Open circuit in wiring harness between ignition switch (IG2)^1 /IG2 relay^2 and A/C relay Open circuit in wiring harness between battery positive terminal and A/C relay Open circuit in wiring harness between A/C relay and magnetic clutch