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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 216 (Engine Control System (DTC/Circuit Diagnosis) (CUMMINS 5.0L) (4 Of 6)) >> DTC/Circuit Diagnosis >> DTC P0692-00: Cooling Fan >> DTC Description >> Notes

DTC Description: Notes

WARNING: This page is about a different car, the 2018 Nissan Titan XD. However, it is still accessible from the selected car via links, so may be relevant.

The fan control circuit is a device used by the engine to control the fan operation. When the Engine Control Module (ECM) energizes the fan control circuit, the engine fan is engaged.The fan control circuit utilizes a Pulse Width Modulated (PWM) signal. A PWM signal is a pulsed voltage signal between 0 volt and system voltage. The frequency of the pulsed voltage signal is dependent on the application requirement.