pontiac Workshop Repair Guides

Pontiac Workshop Service and Repair Manuals

Engine Controls - Manual Update Revised Chart C-3|Page 2895 > < Engine Controls - Manual Update Revised Chart C-3|Page 2893
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Canister Purge Control Valve: Testing and Inspection

Purge Solenoid Circuit Diagram

CIRCUIT DESCRIPTION:

The canister purge is controlled by a solenoid that blocks vacuum to the fuel vapor canister when energized.  The solenoid gets power when the ignition
is turned "ON" and the PCM controls the ground circuit.

Canister Purge Valve Check (Chart C-3)

Engine Controls - Manual Update Revised Chart C-3|Page 2895 > < Engine Controls - Manual Update Revised Chart C-3|Page 2893