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Hummer
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2010
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H3 Base, Standard
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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 - 3.7L - DTC P1400 To DTC P2635
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DTC P1682
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Typical Scan Tool Data
Typical Scan Tool Data
Scan Tool Ignition Data
Circuit
Short to Ground
Open
Short to Voltage
Operating Conditions:
Ignition ON, engine OFF, and powertrain relay are commanded ON
Ignition 1 Signal, Run/Crank Relay
0 V
0 V
B+
EC Ignition Relay Feedback Signal, Powertrain Relay
0 V
0 V
B+