Nissan Sentra. Instruction — part 663
PCS
COMPONENT PARTS
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
SYSTEM DESCRIPTION
COMPONENT PARTS
Component Parts Location
INFOID:0000000009755806
1.
IPDM E/R
AWMIA1363ZZ
PCS-6
< SYSTEM DESCRIPTION >
[IPDM E/R (WITH I-KEY)]
SYSTEM
SYSTEM
RELAY CONTROL SYSTEM
RELAY CONTROL SYSTEM : System Diagram
INFOID:0000000009755807
SYSTEM DIAGRAM
AWMIA1508GB
PCS
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
RELAY CONTROL SYSTEM : System Description
INFOID:0000000009755808
DESCRIPTION
IPDM E/R activates the internal control circuit to perform the relay ON-OFF control according to the input sig-
nals from various sensors and the request signals received from control units via CAN communication.
CAUTION:
IPDM E/R integrated relays cannot be removed.
POWER CONSUMPTION CONTROL SYSTEM
Control relay
Input/output
Transmit unit
Control part
Reference page
Fog lamp relay
Fog lamp request signal
BCM (CAN)
Fog lamp (if equipped)
• Headlamp low relay
• Headlamp high relay
• Low beam request signal
• High beam request signal
BCM (CAN)
• Headlamp LO
• Headlamp HI
Tail lamp relay
Position light request signal
BCM (CAN)
• Parking lamp
• License plate lamp
• Tail lamp
• Accent lamp
• Illumination system
• Front wiper relay
• Front wiper high relay
Front wiper request signal
BCM (CAN)
Front wiper motor
Front wiper stop position signal Front wiper motor
Rear window defogger
relay
Rear window defogger relay
control signal
BCM (CAN)
Rear window defogger
Starter control relay
Starter control relay signal
BCM (CAN)
Starter motor
Transmission range switch sig-
nal (CVT models)
Transmission range
switch
Clutch interlock switch signal
(M/T models)
Clutch interlock switch
• 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 signal ECM (CAN)
A/C compressor
(Magnet clutch)
(automatic
air conditioner)
(instruction air
conditioner)
ECM relay
ECM relay control signal
ECM (CAN)
ECM
Throttle control motor re-
lay
Throttle control motor control
signal
ECM (CAN)
ECM
Fuel pump relay
Fuel pump request signal
ECM (CAN)
Fuel pump
Ignition relay-1
Ignition switch ON signal
BCM (CAN)
Each control unit, sen-
sor, actuator and relay
(Ignition power supply)
Vehicle speed signal (Meter)
Combination meter
(CAN)
Push-button ignition switch sig-
nal
Push-button ignition
switch
PCS-8
< SYSTEM DESCRIPTION >
[IPDM E/R (WITH I-KEY)]
SYSTEM
POWER CONSUMPTION CONTROL SYSTEM : System Diagram
INFOID:0000000009755809
POWER CONSUMPTION CONTROL SYSTEM : System Description
INFOID:0000000009755810
DESCRIPTION
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.
ALCIA0030GB
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