Century V6-181 3.0L (1983)
Canister Purge Control Valve: Testing and Inspection
Fig. 020 CHART C-6BC CANISTER PURGE VALVE CHECK
Canister purge is controlled by a solenoid that allows manifold vacuum to purge the canister when de-energized. The ECM supplies a ground to energize
the solenoid (purge off). The solenoid is energized (no purge) by grounding the test terminal with the ignition "ON" and engine stopped, or with the
engine running if the following are met:
a. Engine run time less than specified.
