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Suzuki
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2011
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Grand Vitara Base
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Repair and Diagnosis
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Engine Control System Diagnosis
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General Description
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OBD System Description - A/F Sensor Heater and HO2S Heater Monitor (EVAP Leak Check Model)
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System Description / Monitoring Procedure
System Description / Monitoring Procedure
For both A/F sensor and HO2S heaters, the system monitors proper current and loaded voltage.