suzuki Workshop Repair Guides

Suzuki Workshop Service and Repair Manuals

Electrical Specifications|Page 1422 > < Electrical Specifications|Page 1420
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Heated Oxygen Sensor (HO2S): Testing and Inspection

1. Disconnect sensor coupler.

2. Using ohmmeter, measure resistance between terminals "VB" and "GND" of sensor coupler.

NOTE: Temperature of sensor affects resistance value largely. Make sure that sensor heater is at correct temperature.

Resistance of oxygen sensor heater: 11.7 - 15.6 ohms at 20°C, 68°F 

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If found faulty, replace oxygen sensor.

3. Connect sensor coupler securely.

Electrical Specifications|Page 1422 > < Electrical Specifications|Page 1420