Toyota Yaris: Air Fuel Ratio Sensor (for Sensor 2) / Removal
REMOVAL
CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed, installed, or replaced during the No. 2 air fuel ratio sensor removal/installation are shown below.
Necessary Procedure After Parts Removed/Installed/Replaced
Replacement Part or Procedure | Necessary Procedure | Effect/Inoperative when not Performed | Link |
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Replacement of air fuel ratio sensor (sensor 2)
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Gas leak from exhaust system is repaired
| Inspection after repair | -
Poor idle, etc.
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Engine start function, etc.
|
|
CAUTION:
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When the engine is hot, do not touch high-temperature areas such as the engine or exhaust pipe.
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Touching high-temperature areas such as the engine and exhaust pipe could result in burns.
PROCEDURE
1. REMOVE CENTER NO. 4 ENGINE UNDER COVER
Click here
2. REMOVE CENTER FRONT FLOOR BRACE
Click here
3. REMOVE CENTER NO. 1 FLOOR BRACE
Click here
4. REMOVE NO. 2 AIR FUEL RATIO SENSOR
(a) Disconnect the No. 2 air fuel ratio sensor connector. | |
(b) Disengage the 3 wire harness clamps.
(c) Using SST, remove the No. 2 air fuel ratio sensor from the front exhaust pipe assembly. SST: 09224-00012 NOTICE: If the No. 2 air fuel ratio sensor has been struck or dropped, replace it. | |
COMPONENTS ILLUSTRATION
*1 NO. 2 AIR FUEL RATIO SENSOR *2 CENTER NO. 1 FLOOR BRACE *3 CENTER FRONT FLOOR BRACE *4 CENTER NO. 4 ENGINE UNDER COVER
N*m (kgf*cm, ft...
INSPECTION PROCEDURE 1. INSPECT NO. 2 AIR FUEL RATIO SENSOR (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition D109-1(HA1B) - D109-2(+B) 20°C (68°F) 1...
Other information:
INSPECTION PROCEDURE 1. INSPECT OIL PRESSURE AND TEMPERATURE SENSOR (a) Check the oil pressure and temperature sensor output voltage. (1) Apply 5 V between terminals 3 (VC) and 2 (GND). NOTICE:
Be careful when connecting the leads as the oil pressure and temperature sensor may be damaged if the leads are connected to the wrong terminals...
PROBLEM SYMPTOMS TABLE NOTICE: If the main body ECU (multiplex network body ECU) is replaced, refer to the Registration. Click here
HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table...
Categories
The fuel gauge shows approximately how much fuel is remaining in
the tank when the ignition is switched ON. We recommend keeping
the tank over 1/4 full.
Full
1/4 Full
Empty
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