toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Electrical Specifications|Page 431 > < Engine Controls - A/F And O2 Sensor Identification|Page 428
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Oxygen Sensor: Electrical Specifications

Air/Fuel Ratio Sensor

Resistance:

at 20°C (68°F): 

0.8 - 1.4 ohms

at 800°C (1,472°F): 

1.8 - 3.2 ohms

Heated Oxygen Sensor

Resistance Between Terminals +B and HT:

at 20°C (68°F)  

11 - 16 Ohms

at 800°C (1,472°F) 

23 - 32 Ohms

Electrical Specifications|Page 431 > < Engine Controls - A/F And O2 Sensor Identification|Page 428