FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Component Inspection





Component Inspection

Check HO2S (B1/S2) Heater resistance
1. IG "OFF" and disconnect HO2S (B1/S2) connector
2. Measure resistance between power and control terminals of HO2S (B1/S2) heater (Component Side)

Specification : 3.3 Ohms at 21 °C (69.8 °F)





3. Is the measured resistance within specification?