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.

SEE MORE:

Crankshaft Position Sensor

ComponentsCOMPONENTS ILLUSTRATION *1 CRANKSHAFT POSITION SENSOR *2 O-RING N*m (kgf*cm, ft.*lbf): Specified torque ● Non-reusable part InstallationINSTALLATION CAUTION / NOTICE / HINT NOTICE: This procedure includes the installation of small-head bolts. Refer to Small-Head

System Diagram

SYSTEM DIAGRAM *1 Intake Manifold *2 Purge Valve (Purge VSV) *3 Throttle Valve *4 Canister (Charcoal Canister Assembly) *5 Air Cleaner *6 ECM *7 Canister Filter *8 Fuel Tank Pressure Sensor (Vapor Pressure Sensor Assembly) *9 Canister Pump Module (Leak D

Lexus ES: Removal

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Inspection

Installation

Air Fuel Ratio Sensor (for Sensor 2)

SEE MORE:

Crankshaft Position Sensor

System Diagram