No. 23 A/C Does Not Work Sufficiently: Notes
WARNING: This page is about a different variant/trim than selected.
SYMPTOM CHART (A/C DOES NOT WORK SUFFICIENTLY)
| 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
|