Lexus ES: Installation

Lexus ES (XZ10) Service Manual / Engine & Hybrid System / A25a-fxs (engine Control) / Air Fuel Ratio Sensor (for Sensor 1) / Installation

INSTALLATION

PROCEDURE

1. INSTALL AIR FUEL RATIO SENSOR

HINT:

Perform "Inspection After Repair" after replacing the air fuel ratio sensor.

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(a) Using SST, install the air fuel ratio sensor to the exhaust manifold (TWC: Front Catalyst).

SST: 09224-00012

Torque:

Specified tightening torque :

44 N·m {449 kgf·cm, 32 ft·lbf}

NOTICE:

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

HINT:

Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.
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When using SST (fulcrum length of 30 mm (1.18 in.)) + torque wrench (fulcrum length of 180 mm (7.09 in.)):
37.7 N*m (384 kgf*cm, 28 ft.*lbf)

*a	Torque Wrench Fulcrum Length

(b) Connect the air fuel ratio sensor connector.

*a	Tie Band
*b	Wire Harness Clamp

2. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY

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3. INSPECT FOR EXHAUST GAS LEAK

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4. PERFORM INITIALIZATION

(a) Perform "Inspection After Repair" after replacing the air fuel ratio sensor.

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SEE MORE:

Components

COMPONENTS ILLUSTRATION *1 FUEL PUMP ASSEMBLY *2 FUEL PUMP PROTECTOR *3 NO. 1 FUEL PIPE SUB-ASSEMBLY *4 NO. 2 FUEL TUBE SUB-ASSEMBLY *5 FUEL PUMP LIFTER ASSEMBLY *6 FUEL PUMP LIFTER GUIDE *7 FUEL PUMP SPACER GASKET *8 FUEL TUBE SUB-ASSEMBLY *9 O-RING -

Control Module Processor Watchdog/Safety MCU Failure (P060647)

MONITOR DESCRIPTION The ECM continuously monitors its main CPU and monitor IC. This self-check ensures that the ECM is functioning properly. If outputs from main CPU and monitor IC are different and deviate from the standard, the ECM will illuminate the MIL and store this DTC. DTC No. Detection

Lexus ES: Installation

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Air Fuel Ratio Sensor (for Sensor 2)

Components

Removal

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Components

Control Module Processor Watchdog/Safety MCU Failure (P060647)