Ignition Control Module: Locations

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Revenue RailIntent: manual

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More supporting gear

Torque wrench

Use the factory procedure with the right tightening tool.

Manual-based work becomes much easier when you can torque correctly.

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Trim tool set

Useful for clips, covers, and trim pieces called out by the manual.

Most manual procedures assume you have a good trim removal kit.

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Multimeter kit

Great for electrical troubleshooting and manual-tested circuits.

Electrical work in manuals often needs a meter more than another wrench.

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Engine Controls Component Views

Top of the Engine (LZE, LZ4, LZ9)




1 - Manifold Absolute Pressure (MAP) Sensor
2 - Throttle Body
3 - Intake Manifold
4 - Intake Manifold Tuning (IMT) Valve Solenoid (LZ9)
5 - Camshaft Position (CMP) Sensor
6 - Heated Oxygen Sensor (HO2S) 1
7 - Ignition Control Module (ICM)

Rear of the Engine (LZE, LZ4, LZ9)




1 - Throttle Body
2 - Ignition Control Module (ICM)
3 - Heated Oxygen Sensor (HO2S) 1
4 - Engine Coolant Heater
5 - Engine Oil Level Switch
6 - Crankshaft Position (CKP) Sensor
7 - Knock Sensor (KS) Bank 1
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