Lexus ES manuals

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 heated oxygen 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 heated oxygen sensor
  • Gas leak from exhaust system is repaired

Inspection after repair

  • Poor idle, etc.
  • Engine start function, etc.

PROCEDURE

1. REMOVE FRONT WHEEL OPENING EXTENSION PAD LH

Click here

2. REMOVE FRONT WHEEL OPENING EXTENSION PAD RH

Click here

3. REMOVE NO. 1 ENGINE UNDER COVER

Click here

4. REMOVE NO. 2 ENGINE UNDER COVER

Click here

5. REMOVE HEATED OXYGEN SENSOR (for Bank 1)

(a) Disconnect the heated oxygen sensor connector.

(b) Disengage the wire harness clamp.

(c) Using SST, remove the heated oxygen sensor from the front exhaust pipe assembly (TWC: Rear Catalyst).

SST: 09224-00012

NOTICE:

If the heated oxygen sensor has been struck or dropped, replace it.

6. REMOVE FRONT FLOOR COVER LH

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7. REMOVE FRONT FLOOR COVER RH

Click here

8. REMOVE BODY MOUNTING PLATE

Click here

9. REMOVE NO. 1 EXHAUST PIPE SUPPORT BRACKET (for Lower Side)

Click here

10. REMOVE FRONT EXHAUST PIPE ASSEMBLY (TWC: Rear Catalyst)

Click here

11. REMOVE HEATED OXYGEN SENSOR (for Bank 2)

(a) Using SST, remove the heated oxygen sensor from the front exhaust pipe assembly (TWC: Rear Catalyst).

SST: 09224-00012

NOTICE:

If the heated oxygen sensor has been struck or dropped, replace it.

READ NEXT:

 Inspection

INSPECTION PROCEDURE 1. INSPECT HEATED OXYGEN SENSOR (for Bank 1) (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition S

 Installation

INSTALLATION PROCEDURE 1. INSTALL HEATED OXYGEN SENSOR (for Bank 2) HINT: Perform "Inspection After Repair" after replacing the heated oxygen sensor. Click here (a) Using SST, install the heated

 Ignition Coil And Spark Plug

SEE MORE:

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 Basic Inspection

DESCRIPTION When replacing the No. 1 HV supply stack sub-assembly or No. 2 HV supply stack sub-assembly, it is necessary to check, adjust and equalize the SOC of the HV battery. Otherwise, the engine may run longer than normal, resulting in a decrease in fuel efficiency. PROCEDURE 1. READ VALU

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