Lexus ES: 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)
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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
Click here
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.
(c) Using SST, remove the air fuel ratio sensor from the exhaust manifold (TWC: Front Catalyst). SST: 09224-00012 NOTICE: If the air fuel ratio sensor has been struck or dropped, replace it. | |
READ NEXT:
INSPECTION PROCEDURE 1. INSPECT AIR FUEL RATIO SENSOR (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Con
INSTALLATION PROCEDURE 1. INSTALL AIR FUEL RATIO SENSOR HINT: Perform "Inspection After Repair" after replacing the air fuel ratio sensor. Click here (a) Using SST, install the air fuel ratio
SEE MORE:
DESCRIPTION Each unit of the navigation system connected to the AVC-LAN (communication bus) transmits switch signals via AVC-LAN communication. If a short to +B or short to ground occurs in the AVC-LAN, the navigation system will not function normally because communication is not possible. WIRING DI
DESCRIPTION Problem Symptom Suspected Area Trouble Area
Engine speed fluctuation due to abnormal combustion
Idle speed too low or high
Strong engine vibration due to above symptoms
Ignition malfunction
Deviation in air fuel ratio (Excessive or insufficient intake air volume
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