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Home >> Suzuki >> 2007 >> SX4 Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 151 (Engine General Information And Diagnosis) >> Diagnostic Information And Procedures >> DTC P2237: O2 Sensor Positive Current Control Circuit/Open (Sensor-1, Bank-1) >> DTC Detecting Condition and Trouble Area
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DTC Detecting Condition and Trouble Area

WARNING: This page is about a different car, the 2006 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTING CONDITION CHART

DTC detecting condition Trouble area
Impedance of A/F sensor element is higher than 250 Ω for more than 5 sec. even though A/F sensor heater is turned ON with engine running.
(1 driving cycle detection logic)
  • A/F sensor circuit
  • A/F sensor
  • ECM