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ECM/PCM Power Relay Sense Circuit Diagnosis: DTC

WARNING: This page is about a different car, the 2006 Suzuki Verona. However, it is still accessible from the selected car via links, so may be relevant.

Refer to DTC P0689: Engine Controls Ignition Relay Feedback Circuit Low Voltage .

Refer to DTC P0690: Engine Controls Ignition Relay Feedback Circuit High Voltage .