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.
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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
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2. REMOVE CENTER FRONT FLOOR BRACE
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3. REMOVE CENTER NO. 1 FLOOR BRACE
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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:
DISASSEMBLY CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during cylinder head removal/installation are shown below...
DESCRIPTION When a malfunction is detected between various ECUs and sensors, these DTCs are stored. DTC No. Detection Item DTC Detection Condition Trouble Area U010087 Lost Communication With ECM/PCM "A" Missing Message When the ignition switch is ON for 3 seconds or more, and the vehicle is being driven at a speed of 5 km/h (3mph) or more, a communication malfunction between the forward recognition camera and the ECM continues for 2 seconds or more...