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2008 Saturn Astra Repair Question


Topics covered: Sensor, Engine, Engine performance.
Mileage: No information provided.

Asked on October 27, 2008

2008 Saturn Astra IAT Sensor

Engine Performance problem
2008 Saturn Astra 4 cyl Front Wheel Drive Manual 7500 miles

I was wondering what the wire colors were for the signal and ground on the IAT sensor. There are 4 wires coming off of it.
Avatar Asked by rtebbutt

Answer

Replied on November 12, 2008

brown/green is IAT sensor signal

Black/violet go to ECM low reference

green/white mass air flow sensor signal

red/blue go to intake manifold solonoid valve

Tiny Answered by Dave H (expert)
13,682 answers provided