2003 Honda CRV FAN WORKS WITH HEATER ONLY

Tiny
DONBIZ
  • MEMBER
  • 2003 HONDA CRV
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 90,445 MILES
My car's air conditioner was not very cold. I got it serviced. Two days later car over heated, air only worked when car was moving, stopped when car stopped. I put heat on low and car cooled down right away. I had my thermostate and compressor checked, both are good. The fans work with the heater but not with airconditioner.
Sunday, August 31st, 2008 AT 10:05 PM

1 Reply

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Hi DONBIZ,

The fans are controlled by the PCM when AC is operated so you neeed to check the PCM B6 wire for continuity to the fan relays. If continuity is present and grounding it operates the fans the PCM is faulty.
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Saturday, September 13th, 2008 AT 10:26 AM

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