pontiac Workshop Repair Guides

Pontiac Workshop Service and Repair Manuals

Diagram Information and Instructions|Page 304 > < Diagram Information and Instructions|Page 302
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Engine Control Module: Description and Operation

Powertrain Control Module (PCM)

Ignition System

DESCRIPTION

The Powertrain Control Module (PCM), located at the right hand side of the engine compartment, is the control center of the vehicle. It controls
the following:

-

Fuel metering system.

-

Transaxle shifting.

-

Ignition timing.

Diagram Information and Instructions|Page 304 > < Diagram Information and Instructions|Page 302