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Component Inspection





Engine Control
P0031 HO2S Heater Control Circuit Low (Bank 1 / Sensor 1) - Inspection/Repair:_:Component Inspection

Component Inspection

1. Ignition "OFF".
2. Disconnect HO2S connector.
3. Measure resistance between Heater Control terminal and Heater Power terminal of the HO2S connector. (Component side)
Specification :









4. Is HO2S heater resistance display near the specified value?





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