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Home >> Suzuki >> 2006 >> Aerio Base, FWD, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Electrical Devices >> Repair Instruction >> Idle Air Control (IAC) Valve Operation Check >> Not Using SUZUKI Scan Tool
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Not Using SUZUKI Scan Tool

  1. Warm up engine to normal operating temperature.
  2. Stop engine and then turn ON ignition switch.
  3. Disconnect connector (1) from IAC valve (2).
  4. Start engine.
  5. Check that idle speed increases and/or reduces when connector (1) is connected to IAC valve (2). If idle speed does not change, check IAC valve (2) and wire harness.
  6. After checking the valve operation, clear DTC and pending DTC referring to DTC CLEARANCE .
    Fig 1: Disconnecting Connector From IAC Valve
    G04589645Courtesy of SUZUKI OF AMERICA CORP.
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