toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Throttle Position Sensor > < Heated Oxygen Sensor
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Oxygen Sensor: Service and Repair
Sub Heated Oxygen Sensor (California Only)

REMOVAL

1. Allow the engine and exhaust system to cool down completely before continuing.
2. Disconnect the electrical terminal at the Sub Heated Oxygen (SHO2) Sensor.
3. Being careful not to break off the bolts, remove the two fastening nuts and remove the SHO2 Sensor and gasket.

NOTE: Do not use rust penetrant fluid unless absolutely necessary. the silicone in the fluid may contaminate the SHO2 Sensor if contacted.

INSTALLATION

1. Replace the gasket and install the SHO2 Sensor.
2. Install the nuts and washers and secure.
3. Reconnect the electrical connector.

Throttle Position Sensor > < Heated Oxygen Sensor