Check Harness And Connector Canister Pump Module Ecm

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Canister Pump Module Toyota

Result

Turn the ignition switch to OFF. Disconnect the L1 canister connector. Turn the ignition switch to ON.

On the intelligent tester, select the following menu items:

DIAGNOSIS / ENHANCED OBD II / ACTIVE TEST /

VACUUM PUMP (ALONE).

Turn the leak detection pump ON.

Measure the voltage between terminal 1 of the canister connector and the body ground.

Result

Test Results

Suspected Trouble Areas

Proceed To

Between 9 V and 14 V

Normal

A

Between 0 V and 3 V

Wire harness between ECM and leak detection pump

B

(g) Reconnect the canister connector.

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