Grand Vitara 4WD L4-2.4L (2009)
2. Warm up engine to normal operating temperature.
3. Check engine idle speed and "IAC throttle opening" using "Data List" mode on scan tool.
If check result is out of specification, inspect the following.
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Ignition timing:
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Improper engine idle speed referring to "Improper engine idling or engine fails to idle" in
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EVAP canister purge control system:
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PCV system:
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Throttle body assembly:
Engine idle speed
A/C OFF: 630 - 730 rpm (IAC throttle opening: 10 - 20%)
A/C ON: 800 - 900 rpm (IAC throttle opening: 15 - 25%)
4. Check that specified engine idle speed is obtained with A/C turned ON if vehicle is equipped with A/C.
If not, check A/C system.