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Chevy Truck
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1999
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Express 1 Ton Van V8-6.5L DSL Turbo VIN F
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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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Intake Air Temperature (IAT)
Intake Air Temperature (IAT)
Range -40°C to 151°C, 40°F to 304°F
The
intake air temperature sensor
sends a signal to the
PCM
relative to the incoming air. The
IAT
is used by the PCM to adjust fuel delivery.