Operation CHARM
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2000
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DeVille V8-4.6L VIN Y
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Testing and Inspection
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Scan Tool Testing and Procedures
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Scan Tool Data, Normal Values and Definitions
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Scan Tool Data Definitions - Powertrain Systems
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Desired Idle Speed
Desired Idle Speed
The scan tool range is
0-3187 RPM.
The
PCM
commands the desired
idle speed
. The PCM compensates for various engine loads based on engine coolant temperature in order to keep the engine at the desired speed.