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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Engine Controls And Fuel - 4.6L - DTC P0351 To DTC P2440) >> DTC P0685 or P0690 >> Typical Scan Tool Data

Typical Scan Tool Data

WARNING: This page is about a different variant/trim than selected.
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 V1
1 DTC P0690 will set if the ECM detects voltage when the ignition is in the OFF position.