pontiac ECM wiring diagram The following file (PDF) contains wiring diagram and for 1990 Pontiac Grand Prix V6 3.1L engine control module (), pin-out and connectors. The 1990 Pontiac Grand Prix 3.1L engine control module is designated to manage the engine control system such as adjusts the air/fuel mixture and utilizes a catalytic converter to minimize the amount of pollution produced from the engine. The also monitors the input and output signals produced by various sensors in the systems which includes vehicle speed sensor, coolant level sensor, manifold air temperature sensor, measures air pressure sensor, coolant temperature sensor, oxygen sensor, fan control relay, etc.

Find more information about 1990 Pontiac Grand Prix 3.1L Wiring Diagram for Pin-out and Connectors here – free download PDF file from americauto.ru

Related Post

Kawasaki VN800 Vulcan wiring diagram
BMW 325i Electrical Troubleshooting Manual and Wiring Diagram (1991)
Six-Phase Rectifier Circuit Diagram
BMW i3 Vehicle Electrical System Control Units Location
2010 BMW E88 Convertible 135i Air Intake Ducting Diagram