FUEL PUMP STOP SWITCH INSPECTION [L3]


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Operation Inspection

1. Remove the fuel pump stop switch. (See FUEL PUMP STOP SWITCH REMOVAL/INSTALLATION [L3].)

2. Verify that release switch of the fuel pump stop switch is pushed.

3. Lightly vibrate the fuel pump stop switch and verify that the release switch does not pop out.

• If it pops out, replace the fuel pump stop switch.

4. Shake the fuel pump stop switch hard and verify that the release switch pops out.

• If it does not pop out, replace the fuel pump stop switch.

Continuity Inspection

1. Disconnect the negative battery cable.

2. Disconnect the fuel pump stop switch connector.

3. Inspect the resistance between the fuel pump stop switch side terminals 1-2.

• If the continuity is as indicated in the following table, inspect the related wiring harness.
• If the continuity is not as indicated in the following table, replace the fuel pump stop switch.

Release button

Continuity

Pushed
Airflow detected
Not pushed
No airflow