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 |
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| 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.
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(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.
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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
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Freeze Frame Data
FREEZE FRAME DATA DESCRIPTION (a) Whenever a front radar sensor system DTC is stored, the millimeter wave radar sensor assembly stores the current vehicle state as Freeze Frame Data. CHECK FREEZE FRAME DATA (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techs
Open in Outer Mirror Indicator(Slave) (C1AB5)
DESCRIPTION This DTC is stored when the blind spot monitor sensor LH detects an open in the outer rear view mirror indicator LH. DTC No. Detection Item DTC Detection Condition Trouble Area C1AB5 Open in Outer Mirror Indicator(Slave) Both of the following conditions are met:
The b
