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Home >> Suzuki >> 2001 >> XL-7 Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 123 (Engine General Information & Diagnosis) >> H27 Engine >> Diagnostic Information & Procedures >> Idle Speed/Idle Air Control (IAC) Duty Inspection >> Using SUZUKI Scan Tool

Using SUZUKI Scan Tool

WARNING: This page is about a different car, the 2004 Suzuki XL-7 and 2004 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect SUZUKI scan tool to DLC with ignition switch OFF.

    Special tool 

    (A):  SUZUKI scan tool

  2. Warm up engine to normal operating temperature.
  3. Check IAC duty and idle speed by using "Data List" mode of SUZUKI scan tool.

    Engine idle speed 

    A/C OFF:  700 RPM.

    A/C ON:  750 RPM.

    IAC duty at specified idle speed:  5-40% (at A/C OFF)

    Fig 1: Connecting SUZUKI Scan Tool To DLC
    G02263669Courtesy of SUZUKI OF AMERICA CORP.
  4. If duty and/or idle speed is out of specifications, check idle air control system referring to DTC P0506/P0507: IDLE AIR CONTROL SYSTEM RPM LOWER THAN EXPECTED/HIGHER THAN EXPECTED  .
  5. Check that specified engine idle speed is obtained with A/C ON if vehicle is equipped with A/C. If not, check A/C ON signal circuit and idle air control system.
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