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Cadillac
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2010
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Escalade EXT
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System & Fuel System - 5.3L, 6.0L, 6.2L - DTC P1255 To DTC P3449
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DTC P1682
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Typical Scan Tool Data
Typical Scan Tool Data
Ignition Scan Tool Data
Circuit
Short to Ground
Open
Short to Voltage
Operating Conditions:
Ignition ON, engine OFF, and run/crank and powertrain relay are commanded ON
Ignition 1 Voltage, Run/Crank Relay
0 V
0 V
12 V
EC Ignition Relay Feedback Signal, Powertrain Relay
0 V
0 V
12 V