Inspect Canister Pump Module Power Source For Vent Valve

(a) Turn the ignition switch OFF.

(b) Disconnect the L1 canister connector.

(c) Turn the ignition switch ON.

(d) Measure the voltage between terminal 9 of the canister connector and the body ground.


Test Results

Suspected Trouble Areas

Proceed To

Between 9 V and 14 V



Between 0 V and 3 V

Power source wire harness of vent valve


(e) Reconnect the canister connector.

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