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1997 Buick Century Custom 3.1L High speed fan inop
Posted to GM Driveability on 11/15/2010 7 Replies

Backprobed dark green wire at ecm pin 32. Shows ground with fan off and power with fan on this is for low speed. Backprobed dark blue wire at ecm pin 31 nothing no ground or power and no high speed operation. My question is does the power and ground come strai...

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  Related Documents & Media  1997 Buick Century Custom

 
Message Closed w/FIX

car Vehicle Data

1997 Buick Century Custom

VIN 2G4WS5M3V1
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsHigh Speed Fan Inop

Trouble Codes

P1652Serial Communication Link Malfunction
Message Closed w/FIX

car Vehicle Data

1997 Buick Century Custom

VIN 2G4WS5M3V1
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsHigh Speed Fan Inop

Trouble Codes

P1652Serial Communication Link Malfunction