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) Turn the power switch on (IG).

(3) Turn the Techstream on.

(4) Put the engine in Inspection Mode (Maintenance Mode).

Powertrain > Hybrid Control > Utility

Tester Display

Inspection Mode

(5) Start the engine.

(6) 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)

(7) Select the Data List item: Fuel Pressure (High).

(8) 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 delivery pipe.

(b) Check operating sound.

(1) Remove the No. 1 engine 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 No. 1 engine 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 CAUTION / NOTICE / HINT NOTICE: This procedure includes the installation of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts. Click here

SEE MORE:

 Parking Support Brake function (rear pedestrians)

If the rear camera sensor detects a pedestrian behind the vehicle while backing up and the system determines that the possibility of colliding with the detected pedestrian is high, a buzzer will sound. If the system determines that the possibility of colliding with the detected pedestrian is ex

 Error in Matching of ECUs (C1567)

DESCRIPTION The power steering ECU (rack and pinion power steering gear assembly) determines whether an incompatible ECM or skid control ECU (brake actuator assembly) is installed based on the identification information. DTC No. Detection Item DTC Detection Condition Trouble Area Warning

© 2016-2024 Copyright www.lexguide.net