On-Vehicle Inspection [06/2018 - ]: Procedure
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- FUEL PUMP ASSEMBLY OPERATION
- Check fuel pressure.
- Connect the Techstream to the DLC3.
- Start the engine.
- Turn the Techstream on.
- Enter the following menus: Powertrain / Engine / Active Test / Control the Target Fuel Pressure Offset.
Powertrain > Engine > Active Test
Active Test Display Control the Target Fuel Pressure Offset Data List Display Fuel Pressure (High) - Select the Data List item: Fuel Pressure (High)
- Check that the fuel pressure fluctuates when the target fuel pressure changes.
HINT:
The target fuel pressure operation decreases the target fuel pressure by 12.5% or increases the target fuel pressure by 24.8%.
If the result is not as specified, replace the fuel pump assembly or fuel pressure sensor (fuel delivery pipe with sensor assembly LH).
- Check operating sound.
- Remove the V-bank cover sub-assembly.
Refer to PROCEDURE - Step 19 [06/2018 - 10/2019] , or refer to PROCEDURE - Step 19 [10/2019 - 08/2021] , or refer to PROCEDURE - Step 19 [08/2021 - 09/2022] , or refer to PROCEDURE - Step 19 [09/2022 - ]
- Start the engine.
- Using a sound scope, check the operating sound of the fuel pump assembly.
If no sound can be heard, check the fuel pump assembly, wire harness and ECM.
- Stop the engine.
- Install the V-bank cover sub-assembly.
Refer to PROCEDURE - Step 47
- Remove the V-bank cover sub-assembly.
- Check fuel pressure.