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Home >> Cadillac >> 2007 >> DTS 4.6 9 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 4.6L - DTC P0351 To P2440 >> DTC P0685 or P0690 >> Typical Scan Tool Data
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Typical Scan Tool Data

EC Ignition Relay Feedback Signal

Circuit Normal Range Short to Ground Open Short to Voltage
Operating Conditions:  Ignition ON, with the engine OFF
Battery Supply Voltage - Coil - 0 V 0 V -
Battery Supply Voltage - Armature - 0 V 0 V -
EC Ignition Relay Control - 0 V 0 V -
EC Ignition Relay Feedback 11.9-12.9 V 0 V 0 V More than 2 V(1)
(1) DTC P0690 will set if the ECM detects voltage when the ignition is in the OFF position.
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