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Circuit Description

Output Driver Modules (ODM) are used by PCM to turn on current-driven devices needed to control various engine and transaxle functions. Each ODM can control up to 7 outputs, including fan 1 relay, by supplying ground to device PCM is commanding on. ODMs can diagnose each circuit individually.

Conditions required to set DTC are:

Ignition is on.
An improper voltage level has been detected on fan 1 relay driver circuit.
Condition present for at least 30 seconds.