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Hummer
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2009
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H3T Alpha
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls And Fuel - 5.3L - DTC P1380 To DTC P2635
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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
0 Volts
0 Volts
12 Volts
EC Ignition (Powertrain) Relay Feedback Signal
0 Volts
0 Volts
12 Volts