Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSUZUKI2010KIZASHI FWD L4-2.4LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSOXYGEN SENSORTESTING AND INSPECTIONHO2S ON-VEHICLE INSPECTION
2010 Suzuki Kizashi FWD L4-2.4L
HO2S On-Vehicle Inspection
2010 Suzuki Kizashi FWD L4-2.4LSECTION HO2S On-Vehicle Inspection
HO2S On-vehicle Inspection
HO2S Heater
1. Disconnect HO2S connector with ignition mode of keyless push start system in "OFF".
2. Using ohmmeter, measure resistance of HO2S connector (sensor side) between terminals "3" and "4" at sensor connector.
If faulty condition is found, replace HO2S.
NOTE: Sensor temperature affects resistance value largely. Make sure that sensor heater is at specified temperature.
HO2S heater resistance
5.0 - 6.4 Ohms at 20 °C (68 °F)
HO2S Heater
1. Disconnect HO2S connector with ignition mode of keyless push start system in "OFF".
2. Using ohmmeter, measure resistance of HO2S connector (sensor side) between terminals "3" and "4" at sensor connector.
If faulty condition is found, replace HO2S.
NOTE: Sensor temperature affects resistance value largely. Make sure that sensor heater is at specified temperature.
HO2S heater resistance
5.0 - 6.4 Ohms at 20 °C (68 °F)
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.