Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: 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 REAR ENGINE UNDER COVER RH

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

Click here

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.

    Installation

    Ignition Coil And Spark Plug

    See More:

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