POWER CONTROL SYSTEM : System Description
WARNING: This page is about a different car, the 2011 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
COOLING FAN CONTROL
IPDM E/R outputs cooling fan control signal (PWM signal) to the electrically-controlled cooling fan coupling according to the status of the cooling fan speed request signal received from ECM via CAN communication. Refer to "COOLING FAN CONTROL : SYSTEM DIAGRAM ".
ALTERNATOR CONTROL
IPDM E/R outputs power generation command signal (PWM signal) to the alternator according to the status of the power generation command value signal received from ECM via CAN communication. Refer to "POWER GENERATION VOLTAGE VARIABLE CONTROL SYSTEM : SYSTEM DIAGRAM ".