FUEL PUMP (for High Pressure) - ON-VEHICLE INSPECTION

Connect the intelligent tester to the DLC3.

Start the engine.

Turn the tester ON.

Enter the following menus: Power train / Engine / Active Test / Control the target fuel pressure.

Check that the fuel pressure fluctuates when the target fuel pressure changes.

• HINT:

• The Control the target fuel pressure operation lowers the target fuel pressure by 12.5% or increase the target fuel pressure by 25%.

• Standard:
• Fuel pressure fluctuates in accordance with tester operation.

If the result is not as specified, replace the fuel pump or fuel pressure sensor.

Remove the V-bank cover.

Start the engine.

Using a sound scope, check the operating sound of the pump.

If no sound can be heard, check the fuel pump, wire harness and ECM.

Stop the engine.

Reinstall the V-bank cover.