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Home >> Saturn >> 2006 >> Vue Red Line, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Controls - 2.2L (L61) - DTC P0700 To DTC P2A01) >> DTC P1670 >> Circuit Description

Circuit Description

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The engine control module (ECM) contains an output driver module (ODM) that controls the fuel pump relay. The ODM monitors the voltage level at the control circuit when the device is commanded ON or OFF. The ODM output has an internal feedback circuit that connects to the ECM microprocessor. The ECM monitors voltage through the ignition 1 voltage circuit. Excessive voltage or current may cause damage to the ECM. If the ODM detects excessive current or voltage on the output control circuit, this diagnostic trouble code (DTC) will set.

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