10.07.2015 Views

general information - Martin Nez

general information - Martin Nez

general information - Martin Nez

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EMISSION CONTROL INFORMATION 11-9HEATED OXGEN SENSOR (HO2S) INSPECTIONThe HO2 sensor coupler is located behind the left frame.• Inspect the HO2 sensor and its circuit referring to flow table ofthe malfunction code C44 (P0130/P0135).• Check the resistance between the terminals of the HO2 sensor. Resistance: 4.0 – 5.0 Ω at 23 °C (W – W) 09900-25008: Multi-circuit tester set Tester knob indication: Resistance (Ω)If the resistance is not within the standard range, replace theHO2 sensor with a new one.NOTE:* Temperature of the sensor affects resistance value largely.* Make sure that the sensor heater is at correct temperature.Do not remove the HO2 sensor while it is hot.Be careful not to expose it to excessive shock.Do not use an impact wrench while removing orinstalling the HO2 sensor unit.Be careful not to twist or damage the sensor lead wire.

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