Nissan Cube. Manual — part 695
PCS
RELAY CONTROL SYSTEM
PCS-5
< SYSTEM DESCRIPTION >
[IPDM E/R (WITH I-KEY)]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
NOTE:
BCM controls the starter relay.
Component Parts Location
INFOID:0000000009944987
Control relay
Input/output
Transmit unit
Control part
Reference
page
• Headlamp low relay
• Headlamp high relay
• Low beam request signal
• High beam request signal
BCM (CAN)
• Headlamp low
• Headlamp high
Front fog lamp relay
Front fog light request signal
BCM (CAN)
Front fog lamp
Tail lamp relay
Position light request signal
BCM (CAN)
• Parking lamp
• Side marker lamp
• License plate lamp
• Tail lamp
Illuminations
• Front wiper relay
• Front wiper high relay
Front wiper request signal
BCM (CAN)
Front wiper
Front wiper stop position sig-
nal
Front wiper motor
Rear window defogger
Rear window defogger switch
signal
BCM (CAN)
Rear window defogger
Horn relay
• Theft warning horn request
signal
• Horn reminder signal
BCM (CAN)
Horn
• Starter relay
NOTE
• Starter control relay
Starter control relay signal
BCM (CAN)
Starter motor
,
Starter relay control signal
TCM
Clutch interlock switch (M/T)
• Cooling fan relay-1
• Cooling fan relay-2
• Cooling fan relay-3
Cooling fan speed request sig-
nal
ECM (CAN)
Cooling fan
A/C relay
A/C compressor request sig-
nal
ECM (CAN)
A/C compressor
(Magnet clutch)
Ignition relay
Ignition switch ON signal
BCM (CAN)
Ignition relay
Vehicle speed signal
Combination meter (CAN)
Push-button ignition switch
signal
Push-button ignition switch
1.
IPDM E/R
A.
Engine room (LH)
JPMIA1389ZZ
PCS-6
< SYSTEM DESCRIPTION >
[IPDM E/R (WITH I-KEY)]
POWER CONTROL SYSTEM
POWER CONTROL SYSTEM
System Diagram
INFOID:0000000009944988
System Description
INFOID:0000000009944989
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
SIGNAL BUFFER SYSTEM
PCS-7
< SYSTEM DESCRIPTION >
[IPDM E/R (WITH I-KEY)]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
SIGNAL BUFFER SYSTEM
System Diagram
INFOID:0000000009944990
System Description
INFOID:0000000009944991
• 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-8
< SYSTEM DESCRIPTION >
[IPDM E/R (WITH I-KEY)]
POWER CONSUMPTION CONTROL SYSTEM
POWER CONSUMPTION CONTROL SYSTEM
System Diagram
INFOID:0000000010269397
System Description
INFOID:0000000009944993
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
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