Equator 2WD V6-4.0L (2009)
Power Distribution Module: Description and Operation
Power Consumption Control System: System Description
Power Consumption Control System: System Description
OUTLINE
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IPDM E/R incorporates a power consumption control function that reduces the power consumption according to the vehicle status.
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IPDM E/R changes its status (control mode) with the sleep wake up signal received from BCM via CAN communication.
Normal mode (wake-up)
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CAN communication is normally performed with other control units.
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Individual unit control by IPDM E/R is normally performed.
Low power consumption mode (sleep)
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Low power consumption control is active.
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CAN transmission is stopped.
SLEEP MODE ACTIVATION
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IPDM E/R judges that the sleep-ready conditions are fulfilled when the ignition switch is OFF and none of the conditions below are present. Then
it transmits a sleep-ready signal (ready) to BCM via CAN communication.
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Front wiper fail-safe operation
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Outputting signals to actuators
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Switches or relays operating
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Auto active test is starting
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Emergency OFF
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Output requests are being received from control units via CAN communication.
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IPDM E/R stops CAN communication and enters the low power consumption mode when it receives a sleep wake up signal (sleep) from BCM and
the sleep-ready conditions are fulfilled.
WAKE-UP OPERATION
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IPDM E/R changes from the low power consumption mode to the normal mode when it receives a sleep wake-up signal (wake up) from BCM or
any of the following conditions is fulfilled. In addition, it transmits a sleep-ready signal (not-ready) to BCM via CAN communication to report the
CAN communication start.
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Ignition switch ON
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An output request is received from a control unit via CAN communication.
