Nissan Versa Sedan. Instruction — part 618
PCS-58
< PREPARATION >
[POWER DISTRIBUTION SYSTEM]
PREPARATION
PREPARATION
PREPARATION
Special Service Tool
INFOID:0000000009266454
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number
(Kent-Moore No.)
Tool name
Description
—
(J-46534)
Trim Tool Set
Removing trim components
AWJIA0483ZZ
PCS
COMPONENT PARTS
PCS-59
< SYSTEM DESCRIPTION >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
SYSTEM DESCRIPTION
COMPONENT PARTS
Component Parts Location
INFOID:0000000009266455
Component Description
INFOID:0000000009266456
ALMIA0601ZZ
1.
IPDM E/R (contains Ignition relay-1)
2.
BCM (view with instrument panel re-
moved)
3.
Fuse block (J/B)
4.
Fuse block (J/B)
5.
Accessory-1 relay
6.
Blower motor relay
7.
Push-button ignition switch
Component
Description
Push-button ignition switch
Push-button ignition switch (push switch) is pressed, and transmits the status signal to BCM and IPDM
E/R.
IPDM E/R
• IPDM E/R detects push-button ignition switch (push switch) status, and transmits push-button ignition
switch status signal (CAN) to BCM.
• IPDM E/R receives ignition relay (IPDM E/R) control signal and ignition switch ON signal (CAN) from
BCM, and controls ignition relay (built in IPDM E/R)
PCS-60
< SYSTEM DESCRIPTION >
[POWER DISTRIBUTION SYSTEM]
COMPONENT PARTS
BCM
• BCM controls power distribution system.
• BCM judges ignition switch position by push-button ignition switch (push switch) and vehicle condition
• BCM checks the ignition switch position internally.
Blower relay (in fuse block)
• Blower relay is controlled by BCM.
• Blower relay supplies the ignition switch ON power supply or the ignition switch ON signal to air con-
ditioning system when ignition switch is turned ON.
• BCM compares status of blower relay control signal and ignition switch position judged by BCM.
Accessory relay-1 (in fuse
block)
• Accessory relay is controlled by BCM.
• Accessory relay supplies the accessory power supply or the ignition switch ACC signal to each ECU
when ignition switch is turned ACC or ON.
• BCM compares status of accessory relay control signal, and ignition switch position judged by BCM.
Ignition relay-2 (in fuse
block)
• Ignition relay is controlled by BCM.
• Ignition relay supplies the ignition switch ON power supply or the ignition switch ON signal to each
ECU and system when ignition switch is turned ON.
• BCM compares status of ignition relay control signal and ignition switch position judged by BCM.
• BCM monitors the ignition relay operating status by the ignition relay feedback signal.
Component
Description
PCS
SYSTEM
PCS-61
< SYSTEM DESCRIPTION >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
SYSTEM
POWER DISTRIBUTION SYSTEM
POWER DISTRIBUTION SYSTEM : System Diagram
INFOID:0000000009266457
POWER DISTRIBUTION SYSTEM : System Description
INFOID:0000000009266458
SYSTEM DESCRIPTION
• PDS (POWER DISTRIBUTION SYSTEM) is the system that BCM controls with the operation of the push-
button ignition switch and performs the power distribution to each power circuit. This system is used instead
of the mechanical power supply changing mechanism with the operation of the conventional key cylinder.
• The push-button ignition switch can be operated when Intelligent Key is in the following condition.
- Intelligent Key is in the detection area of the inside key antenna.
- Intelligent Key backside is contacted to push-button ignition switch.
• The push-button ignition switch operation is input to BCM as a signal. BCM changes the power supply posi-
tion according to the status and operates the following relays to supply power to each power circuit.
- Ignition relay-1
- Ignition relay-2
- Accessory relay-1
- Accessory relay-2
- Blower motor relay
NOTE:
The engine switch operation changes due to the conditions of brake pedal, selector lever and vehicle speed.
• The power supply position can be confirmed with the lighting of the indicators in the push-button ignition
switch.
BATTERY SAVER SYSTEM
When all the following conditions are met for 30 minutes, the battery saver system will cut off the power supply
to prevent battery discharge.
• The ignition switch is in the ACC or ON position
• All doors are closed
• Selector lever is in the P (park) position
Reset Condition of Battery Saver System
In order to prevent the battery from discharging, the battery saver system will cut off the power supply when all
doors are closed, the selector lever is in P (park) position and the ignition switch is left in the ACC or ON posi-
tion for 30 minutes. If any of the following conditions are met the battery saver system is released and the
steering will change automatically to lock position from OFF position.
• Opening any door
• Operating door request switch on door handle
• Operating Intelligent Key
AWMIA1422GB
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