HEATED OXYGEN SENSOR (HO2S) REMOVAL/INSTALLATION [LF, L3]
| WARNING | A hot engine and exhaust system can cause severe burns. Turn off the engine and wait until they are cool before removing the exhaust system. |
- Remove the battery cover.
- Disconnect the negative battery cable.
- Remove the plug hole cover.
- Disconnect the HO2S connector.
- Remove in the order indicated in the table.
California emission regulation applicable model
Scheme 62
Except for California emission regulation applicable model
Scheme 63
Scheme 64
- Remove the HO2S using the SST.
Wiring Harness Bracket Installation Note
Note. There might be no pin. If there is no pin, lock the wiring harness bracket against rotation and tighten the nut.
Scheme 65
Removal
- Remove the battery cover.
- Disconnect the negative battery cable.
- Remove the plug hole cover.
- Perform the following procedure for easier access. Remove the front tire (RH). Remove the splash shield.
- Disconnect the CKP sensor connector.
- Remove the installation bolt and remove the CKP sensor.
Installation
| CAUTION | When foreign material such as an iron chip is on the CKP sensor, it can cause abnormal output from the sensor because of flux turbulence and adversely affect the engine control. Be sure there is no foreign material on the CKP sensor when replacing. |
Scheme 66
Scheme 67
- Perform the following procedure so that cylinder No.1 is at TDC. Remove the cylinder block lower blind plug and install the SST. Rotate the crankshaft pulley clockwise until the crank weight contacts the SST so that cylinder No.1 is at TDC.
- Fit the center of the CKP sensor with the fifth tooth (counting counterclockwise from the empty space A as shown in the figure) of the pulse wheel.
- Install the CKP sensor fitting bolts. Tightening torque 5.5-7.5 N.m {56-76 kgf.cm, 4.1-5.5 ft.lbf}
- Remove the SST then install the cylinder block lower blind plug. Tightening torque 18-22 N.m {1.9-2.2 kgf.m, 14-16 ft.lbf}