Lexus ES: Removal

Lexus ES (XZ10) Service Manual / Engine & Hybrid System / A25a-fxs (engine Control) / Air Fuel Ratio Sensor (for Sensor 1) / 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 air fuel ratio sensor removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure	Necessary Procedure	Effect/Inoperative Function when Necessary Procedure not Performed	Link
Replacement of air fuel ratio sensor (sensor 1) Gas leak from exhaust system is repaired	Inspection after repair	Poor idle, etc. Engine start function, etc.

PROCEDURE

1. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY

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2. REMOVE AIR FUEL RATIO SENSOR

CAUTION:

To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.

(a) Disengage the 3 wire harness clamps.

(b) Disconnect the air fuel ratio sensor connector.

SST: 09224-00012

NOTICE:

If the air fuel ratio sensor has been struck or dropped, replace it.

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Installation

INSTALLATION PROCEDURE 1. INSTALL TELEPHONE MICROPHONE ASSEMBLY (a) Connect the connector. Install in this Direction (b) Engage the 2 claws to install the telephone microphone assembly as shown in the illustration. 2. INSTALL ROOF HEADLINING ASSEMBLY Click here

Terminals Of Ecu

TERMINALS OF ECU CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (a) Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly. Click here (b) Measure the resistance according to the value(s) in the table

Lexus ES: Removal

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Inspection

Installation

Air Fuel Ratio Sensor (for Sensor 2)

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Installation

Terminals Of Ecu