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Cadillac
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2001
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Seville SLS 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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Initial Inspection and Diagnostic Overview
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Vehicle On-Board & Scan Tool Diagnostics
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Scan Tool Definitions
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Ignition 1 Signal
Ignition 1 Signal
The scan tool range is
0-25.5 volts.
This parameter indicates the system voltage detected by the
PCM
.