Lexus ES: Removal

Lexus ES (XZ10) Service Manual / Engine & Hybrid System / A25a-fks (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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Disassembly

DISASSEMBLY PROCEDURE 1. REMOVE CLUTCH DRUM OIL SEAL RING (a) Remove the 4 clutch drum oil seal rings from the stator shaft assembly. 2. REMOVE OIL STRAINER ASSEMBLY (a) Using a T30 "TORX" socket wrench, remove the 2 bolts and oil strainer assembly from the front oil pump cover sub

Terminals Of Ecu

TERMINALS OF ECU CLEARANCE WARNING ECU ASSEMBLY (a) Disconnect the N41 clearance warning ECU assembly connector. (b) Measure the voltage and resistance on the wire harness side connector according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description C

Lexus ES: Removal

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Inspection

Installation

Air Fuel Ratio Sensor (for Sensor 2)

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Disassembly

Terminals Of Ecu