honda Workshop Repair Guides

Honda Workshop Service and Repair Manuals

Electrical Specifications|Page 2030 > < General Component Location|Page 2025
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Heated Oxygen Sensor: Electrical Specifications

 
 
HO2S SENSOR VOLTAGE (with engine at operating temperature):

At 3000 RPM..............................................................................................................................................................................................................0.5 Volts
During deceleration from 3000 RPM ...........................................................................................................................................................  Below 0.5 Volts
Lean ......................................................................................................................................................................................................... Less Than 0.4 Volts
14.7 to 1 Stoichiometric ................................................................................................................................................................................... 0.4 - 0.6 Volts
Rich ........................................................................................................................................................................................................ More Than 0.6 Volts

HO2S HEATER RESISTANCE

Between terminals 3 and 4 (black wires) ...........................................................................................................................................................  10 - 40 ohms

Electrical Specifications|Page 2030 > < General Component Location|Page 2025