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Home >> Suzuki >> 1999 >> Grand Vitara JS+, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0505: Idle Air Control (IAC) System Malfunction >> DTC Confirmation Test
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DTC Confirmation Test

  1. Ensure intake air temperature is 6.8-158°F (-14-70°C), vehicle is at an altitude of 9150 feet or below, and barometric pressure is 74 kPa or more. Turn ignition off, connect scan tool and turn ignition on. Clear DTCs. See MALFUNCTION INDICATOR LIGHT (MIL) RESET PROCEDURE under SELF-DIAGNOSTIC SYSTEM in SELF-DIAGNOSTICS - INTRODUCTION article.
  2. Start engine and allow it to reach normal operating temperature. Allow engine to idle for 30 seconds. Check for DTCs P0505. See RETRIEVING DTCS under SELF-DIAGNOSTIC SYSTEM in SELF-DIAGNOSTICS - INTRODUCTION article.
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