Inspect Canister Pump Module Vent Valve Operation


(a) Turn the ignition switch to OFF.

(b) Disconnect the L1 canister connector.

(c) Apply the battery voltage to terminals 9 and 8 of the canister pump module.

(d) Touch the canister pump module to confirm the vent valve operation.


Test Results

Suspected Trouble Areas

Proceed To


Wire harness between vent valve and ECM


Not operating

Vent valve


(e) Reconnect the canister connector.

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