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Home >> Cadillac >> 2009 >> DTS 4.6 9 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 4.6L - DTC P0340 To DTC P2433 >> DTC P0685 or P0690 >> Typical Scan Tool Data

Typical Scan Tool Data

EC Ignition Relay Feedback Signal

Circuit Short to Ground Open Short to Voltage
Operating Conditions:  Ignition ON, with the engine OFF
Parameter Normal Range:  11.9-12.9 V
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 0 V 0 V More than 2 V1
1 DTC P0690 will set if the ECM detects voltage when the ignition is in the OFF position.