On-Vehicle Inspection [06/2017 - ]: Procedure

WARNING: This page is about a different variant/trim than selected.

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.
1. Remove the cowl top ventilator louver sub-assembly.
  Refer to REMOVAL [03/2017 - ]
2. Remove the front center upper suspension brace sub-assembly.
  Refer to PROCEDURE - Step 6 [06/2017 - 10/2020] , or refer to PROCEDURE - Step 6 [10/2020 - ]
3. Start the engine.
4. 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.
5. Stop the engine.
6. Install the front center upper suspension brace sub-assembly.
  Refer to PROCEDURE - Step 5 [06/2017 - 09/2019] , or refer to PROCEDURE - Step 5 [09/2019 - 10/2020] , or refer to PROCEDURE - Step 5 [10/2020 - ]
7. Install the cowl top ventilator louver sub-assembly.
  Refer to INSTALLATION [03/2017 - ]