Nissan Cube. Manual — part 703
PCS
POWER CONTROL SYSTEM
PCS-37
< SYSTEM DESCRIPTION >
[IPDM E/R (WITHOUT I-KEY)]
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POWER CONTROL SYSTEM
System Diagram
INFOID:0000000009945017
System Description
INFOID:0000000009945018
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
.
JPMIA0908GB
PCS-38
< SYSTEM DESCRIPTION >
[IPDM E/R (WITHOUT I-KEY)]
SIGNAL BUFFER SYSTEM
SIGNAL BUFFER SYSTEM
System Diagram
INFOID:0000000009945019
System Description
INFOID:0000000009945020
• IPDM E/R reads the status of the oil pressure switch and transmits the oil pressure switch signal to BCM via
CAN communication. Refer to
MWI-18, "WARNING LAMPS/INDICATOR LAMPS : System Diagram"
• IPDM E/R receives the rear window defogger switch signal from BCM via CAN communication and transmits
it to ECM via CAN communication. Refer to
JPMIA1485GB
PCS
POWER CONSUMPTION CONTROL SYSTEM
PCS-39
< SYSTEM DESCRIPTION >
[IPDM E/R (WITHOUT I-KEY)]
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POWER CONSUMPTION CONTROL SYSTEM
System Diagram
INFOID:0000000010269399
System Description
INFOID:0000000009945022
OUTLINE
• IPDM E/R incorporates a power consumption control function that reduces the power consumption accord-
ing to the vehicle status.
• IPDM E/R changes its status (control mode) with the sleep wake up signal received from BCM via CAN com-
munication.
Normal mode (wake-up)
- CAN communication is normally performed with other control units.
- Individual unit control by IPDM E/R is normally performed.
Low power consumption mode (sleep)
- Low power consumption control is active.
- CAN transmission is stopped.
SLEEP MODE ACTIVATION
• 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 communica-
tion.
- Outputting signals to actuators
- Switches or relays operating
- Output requests are being received from control units via CAN communication.
• 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
• 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.
- Ignition switch ON
- An output request is received from a control unit via CAN communication.
JPMIA0731GB
PCS-40
< SYSTEM DESCRIPTION >
[IPDM E/R (WITHOUT I-KEY)]
POWER CONSUMPTION CONTROL SYSTEM
Component Parts Location
INFOID:0000000010269400
1.
Combination meter
2.
IPDM E/R
Refer to
3.
.
JPMIA1549ZZ
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