Toyota Yaris: Air Fuel Ratio Sensor (for Sensor 1) / 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 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 |
-
Replacement of air fuel ratio sensor (sensor 1)
-
Gas leak from exhaust system is repaired
| Inspection after repair | -
Poor idle, etc.
-
Engine start function, etc.
|
|
CAUTION:
-
When the engine is hot, do not touch high-temperature areas such as the engine or exhaust manifold.
-
Touching high-temperature areas such as the engine and exhaust manifold could result in burns.
PROCEDURE
1. REMOVE WINDSHIELD WIPER MOTOR AND LINK
Click here
2. REMOVE FRONT NO. 1 VENTILATOR SEAL
Click here
3. REMOVE WATER GUARD PLATE RH
Click here
4. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY
Click here
5. SEPARATE NO. 1 AIR CLEANER HOSE
Click here
6. REMOVE INTAKE AIR RESONATOR
Click here
7. REMOVE AIR FUEL RATIO SENSOR
(a) Disconnect the air fuel ratio sensor connector. | |
(b) Disengage the 2 clamps.
(c) Using SST, remove the air fuel ratio sensor from the exhaust manifold.
SST: 09224-00012
NOTICE:
If the air fuel ratio sensor has been struck or dropped, replace it.
COMPONENTS ILLUSTRATION
*1 WATER GUARD PLATE LH *2 NO. 1 FRONT VENTILATOR SEAL *3 OUTER COWL TOP PANEL SUB-ASSEMBLY - -
N*m (kgf*cm, ft...
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 Condition D102-1(HA1A) - D102-2(+B) 20°C (68°F) 1...
Other information:
DESCRIPTION The electronic throttle control system has a dedicated power supply circuit. The voltage (+BM, +BM2) is monitored and when it is low (less than 4 V), the ECM determines that there is a malfunction in the electronic throttle control system and cuts off the current to the throttle actuator...
DESCRIPTION
The intake air temperature sensor, built into the No. 1 turbo pressure sensor, monitors the intake air temperature. The intake air temperature sensor has a built-in thermistor with a resistance that varies according to the temperature of the intake air...