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 INSPECTIONA/F SENSOR ON-VEHICLE INSPECTION
2010 Suzuki Kizashi FWD L4-2.4L
A/F Sensor On-Vehicle Inspection
2010 Suzuki Kizashi FWD L4-2.4LSECTION A/F Sensor On-Vehicle Inspection
A/F Sensor On-vehicle Inspection
A/F Sensor Heater
1. Disconnect A/F sensor connector with ignition mode of keyless push start system in "OFF".
2. Measure resistance of A/F sensor connector (sensor side) between terminals "3" and "4" at A/F sensor connector with ohmmeter. Replace A/F sensor if any faulty conditions are found.
NOTE: Sensor temperature affects resistance value largely. Make sure that sensor heater is at specified temperature.
A/F sensor heater resistance
2.16 - 2.90 Ohms at 20 °C (68 °F)
A/F Sensor Heater
1. Disconnect A/F sensor connector with ignition mode of keyless push start system in "OFF".
2. Measure resistance of A/F sensor connector (sensor side) between terminals "3" and "4" at A/F sensor connector with ohmmeter. Replace A/F sensor if any faulty conditions are found.
NOTE: Sensor temperature affects resistance value largely. Make sure that sensor heater is at specified temperature.
A/F sensor heater resistance
2.16 - 2.90 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.