Mike's Workshop Manuals
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Cadillac
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2010
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DTS 4.6 9
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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 - 4.6L - DTC P0351 To P2271
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DTC P1682
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Typical Scan Tool Data
Typical Scan Tool Data
Ignition 1 Signal
Circuit
Short to Ground
Open
Short to Voltage
Operating Conditions:
Ignition ON, engine OFF, and ignition and powertrain relay are commanded ON
Ignition 1 Signal, Ignition Relay
0 V
0 V
B+
EC Ignition Relay Feedback Signal, Powertrain Relay
0 V
0 V
B+