Lexus ES manuals

Lexus ES: On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. FUEL PUMP ASSEMBLY OPERATION

(a) Check fuel pressure.

(1) Connect the Techstream to the DLC3.

(2) Start the engine.

(3) Turn the Techstream on.

(4) 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)

(5) Select the Data List item: Fuel Pressure (High)

(6) 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).

(b) Check operating sound.

(1) Remove the V-bank cover sub-assembly.

Click here

(2) Start the engine.

(3) 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.

(4) Stop the engine.

(5) Install the V-bank cover sub-assembly.

Click here

READ NEXT:

 Removal

REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during fuel

 Inspection

INSPECTION PROCEDURE 1. INSPECT FUEL PUMP ASSEMBLY (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condit

 Installation

INSTALLATION PROCEDURE 1. TEMPORARILY INSTALL FUEL PUMP ASSEMBLY (a) Turn the crankshaft pulley until the flat of the camshaft faces the fuel pump lifter assembly. HINT: This prevents the camshaft

SEE MORE:

 Compass

The compass on the inside rear view mirror indicates the direction in which the vehicle is heading. Operation and displays To turn the compass on or off, press and hold the button for more than 3 seconds. Directions are displayed as follows: â– Conditions unfavorable to correct operatio

 Installation

INSTALLATION CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The following procedure is for the LH side. PROCEDURE 1. INSTALL REAR DOOR ILLUMINATION LIGHT (REAR DOOR OUTSIDE HANDLE ASSEMBLY) Click here 2. INSTALL REAR DOOR SERVICE HOLE COVER Click here 3

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