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Home >> Suzuki >> 2004 >> Vitara 4WD, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine General Information & Diagnosis >> Diagnostic Information and Procedures >> DTC P2227, P2228, P2229: Barometric Pressure Circuit Performance/Low/High >> DTC Confirmation Procedure
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DTC Confirmation Procedure

NOTE: Check to make sure that the following conditions are satisfied when using this DTC CONFIRMATION PROCEDURE.
  • Intake air temperature: between -14 °C and 70 °C (6.8 °F and 158 °F)
  • Atmospheric pressure: higher than 560 mmHg (Altitude: lower than 2790 m (9150 ft))
  1. With ignition switch OFF, connect scan tool.
  2. Turn ON ignition switch and clear DTC by using scan tool if any.
  3. Start engine and warm up to normal operating temperature.
  4. Run engine at idle speed for 30 sec.
  5. Check DTC and pending DTC by using scan tool.
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