GM Service Manual Online
For 1990-2009 cars only

Cell 20: Idle Air Control (IAC) Valve, Speedo Adapter, Speedometer, PCM and VSS

Cell 20: Idle Air Control (IAC) Valve, Speedo Adapter, Speedometer, PCM and VSS


Object Number: 242990  Size: FS
Engine Controls Components
Cell 20: EGR, EOP Gauge and Sensor, Indicators, PCM, HI IDLE and Neutral Switch
Cell 20: ECT Gauge and Sensor, MAP, O2 and TP Sensors, PCM
Handling ESD Sensitive Parts Notice
Engine Controls Schematic Icons