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International Automotive Technicians Network
pcm fan strategy(not commanding fan operation)
Posted to Technical Discussion Forum on 9/27/2008 36 Replies

hello fellow techs, subject vehicle is a hand-me down. fans do not operate. pids on scanner shows ect getting over 240 degrees and with a.c. on high pressure over 300 psi. however pcm does not command fan relay control 1,2, or 3. if i command the fan output vi... Login to read more.

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car Vehicle Data

2002 Chevrolet Monte Carlo SS 3.8L

Engine3.8 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

2002 Chevrolet Monte Carlo SS 3.8L

Engine3.8 L
Trans4-speed Automatic (Electronic)