Toyota RAV4 manuals

Toyota Sienna Service Manual: Heated oxygen sensor (for 2wd)

Toyota Sienna Service Manual / Engine / 2Gr-fe emission control / Heated oxygen sensor (for 2wd)

Components

Components

Removal

1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

CAUTION: Wait at least 90 seconds after disconnecting the cable from the nagative (-) battery terminal to prevent airbag and seat belt pretensioner activation.

2. REMOVE HEATED OXYGEN SENSOR (for Bank 1 Sensor 2)

(a) Disconnect the sensor connector under the center console.

(b) Using SST, remove the heated oxygen sensor.

SST 09224-00010

3. REMOVE FRONT EXHAUST PIPE ASSEMBLY

REMOVE FRONT EXHAUST PIPE ASSEMBLY

(a) Disconnect the heated oxygen sensor (for Bank 2 Sensor 2) connector.

REMOVE FRONT EXHAUST PIPE ASSEMBLY

(b) Remove the 2 bolts and 2 compression springs.

(c) Remove the 6 nuts and front exhaust pipe assembly.

REMOVE FRONT EXHAUST PIPE ASSEMBLY

4. REMOVE HEATED OXYGEN SENSOR (for Bank 2 Sensor 2)

REMOVE HEATED OXYGEN SENSOR (for Bank 2 Sensor 2)

(a) Using SST, remove the heated oxygen sensor from the front exhaust pipe assembly.

SST 09224-00010

Installation
1. INSTALL AIR FUEL RATIO SENSOR (for Bank 2 Sensor 1) (a) Using SST, install the sensor to the exhaust manifold LH. SST 09224-00010 Torque: 40 N*m (408 kgf*cm, 30 ft.*lbf) for use with SST ...

Inspection
1. INSPECT HEATED OXYGEN SENSOR (for Bank 1 Sensor 2) (a) Measure the resistance of the sensor. Standard resistance If the resistance is not as specified, replace the sensor. 2. INSPECT HE ...

Other materials:

Back-up Power Source Circuit
DESCRIPTION This is the back-up power source for the A/C amplifier. Power is supplied even when the ignition switch is off and is used for diagnostic trouble code memory, etc. WIRING DIAGRAM INSPECTION PROCEDURE 1 INSPECT FUSE (ECU-B) (a) Remove the ECU-B fuse from the engine room juncti ...

Emergency flashers
The emergency flashers are used to warn other drivers when the vehicle has to be stopped in the road due to a breakdown, etc. Press the switch. All the turn signal lights will flash. To turn them off, press the switch once again. Emergency flashers If the emergency flashers are used f ...

Check for intermittent problems
1. CHECK FOR INTERMITTENT PROBLEMS HINT: For use of the intelligent tester only: Inspect the vehicle's ECM using check mode. Intermittent problems are easier to detect with an intelligent tester when the ECM is in check mode. In check mode, the ECM uses 1 trip detection logic, which is more ...

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