Nissan GT-R (2007-2014 year). POWER CONTROL SYSTEM / POWER WINDOW CONTROL SYSTEM. Service Manual — part 2
PCS
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
PCS-17
< REMOVAL AND INSTALLATION >
[IPDM E/R]
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REMOVAL AND INSTALLATION
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE
ROOM)
Exploded View
INFOID:0000000009163870
Removal and Installation
INFOID:0000000009163871
CAUTION:
IPDM E/R integrated relays are not serviceable parts, and must not be removed from the unit.
REMOVAL
1.
Remove the battery. Refer to
2.
Remove the cowl top cover (RH). Refer to
.
3.
Pull up the IPDM E/R assembly while pressing the pawls (A) on
the back of the IPDM E/R cover B (1).
1.
IPDM E/R cover A
2.
IPDM E/R
3.
IPDM E/R cover B
4.
Bracket
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2014 GT-R
PCS-18
< REMOVAL AND INSTALLATION >
[IPDM E/R]
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
4.
Remove the IPDM E/R cover A (1) while pressing the pawls (A)
at the lower end of the IPDM E/R cover A.
5.
Disconnect the harness connector. And then remove the IPDM
E/R (1).
6.
Remove the nuts (A). And then remove the bracket (1) from the
vehicle.
INSTALLATION
Install in the reverse order of removal.
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2014 GT-R
PCS
POWER DISTRIBUTION SYSTEM
PCS-19
< SYSTEM DESCRIPTION >
[POWER DISTRIBUTION SYSTEM]
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SYSTEM DESCRIPTION
POWER DISTRIBUTION SYSTEM
System Description
INFOID:0000000009163873
• 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. Refer to
Engine Start Function for details.
- Intelligent Key is in the detection area of the inside key antenna
- Insert Intelligent Key into the key slot
- Insert key fob into the key slot
• 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 (built into IPDM E/R)
- Ignition relay (inserted into fuse block)
- ACC relay
- Blower relay
NOTE:
The engine switch operation changes due to the conditions of brake pedal, shift lever position and vehicle
speed.
• The power supply position can be confirmed with the illuminating of the indicators around the push-button
ignition switch.
BATTERY SAVER SYSTEM
When all of the following conditions are met for 60 minutes, the battery saver system will cut off the power sup-
ply to prevent battery discharge.
• The ignition switch is in the ACC position
• All doors are closed
• Shift lever is in the P 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 shift lever is in the P position and the ignition switch is left in the ACC position for 60 min-
utes. If any of the following conditions are met the battery saver system is released and the steering will
change automatically to the LOCK position from the OFF position.
• Opening any door
• Operating with door key cylinder on door lock
• Operating with request switch on door lock
• Operating with Intelligent Key on door lock
Press push-button ignition switch and ignition switch will change to the ACC position from the OFF position.
STEERING LOCK OPERATION
Steering is locked by steering lock unit when ignition switch is in the OFF position, shift lever shift is in the P
position and any of the following conditions are met.
• Opening door
• Closing door
• Door is locked with request switch
• Door is locked with Intelligent Key
POWER SUPPLY POSITION CHANGE TABLE BY PUSH-BUTTON IGNITION SWITCH OPERA-
TION
The power supply position changing operation can be performed with the following operations.
NOTE:
• When an Intelligent Key is within the detection area of inside key antenna and when it is inserted to the key
slot, it is equivalent to the operations below.
• When starting the engine, the BCM monitors under the engine start conditions,
- Brake pedal operating condition
- Shift lever position
- Vehicle speed
2014 GT-R
PCS-20
< SYSTEM DESCRIPTION >
[POWER DISTRIBUTION SYSTEM]
POWER DISTRIBUTION SYSTEM
Vehicle speed: less than 4 km/h (2.5 MPH)
Vehicle speed: 4 km/h (2.5 MPH) or more
Emergency stop operation
• Press and hold the push-button ignition switch for 2 seconds or more.
• Press the push-button ignition switch 3 times or more within 1.5 seconds.
Power supply position
Engine start/stop condition
Push-button ignition switch
operation frequency
Shift lever position
Brake pedal operation condition
LOCK
→
ACC
—
Not depressed
1
LOCK
→
ACC
→
ON
—
Not depressed
2
LOCK
→
ACC
→
ON
→
OFF
—
Not depressed
3
LOCK
→
START
ACC
→
START
ON
→
START
P or N position
Depressed
1
Engine is running
→
OFF
—
—
1
Power supply position
Engine start/stop condition
Push-button ignition switch
operation frequency
Shift lever position
Brake pedal operation condition
Engine is running
→
ACC
—
—
Emergency stop operation
Engine stall return operation while
driving
N position
Not depressed
1
2014 GT-R
PCS
POWER DISTRIBUTION SYSTEM
PCS-21
< SYSTEM DESCRIPTION >
[POWER DISTRIBUTION SYSTEM]
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Component Parts Location
INFOID:0000000009163874
1.
BCM M118, M119, M121, M122,
M123
2.
IPDM E/R E5, E6, F7
3.
Combination meter M53
4.
TCM B45
5.
Push button ignition switch M131
6.
Stop lamp switch E110
7.
Combination meter (Key warning
lamp) M53
A.
Behind the instrument lower panel
(RH)
B.
Engine room dash panel (RH)
C.
View with trunk front finisher re-
moved
D.
View with instrument lower panel
(driver) removed
E.
Located on the conbination meter
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2014 GT-R
PCS-22
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
POWER SUPPLY AND GROUND CIRCUIT
DTC/CIRCUIT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
BCM
BCM : Diagnosis Procedure
INFOID:0000000009163902
1.
CHECK FUSE AND FUSIBLE LINK
Check that the following fuse and fusible link are not blown.
Is the fuse fusing?
YES
>> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is
blown.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connectors.
3.
Check voltage between BCM harness connector and ground.
Is the measurement value normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
Does continuity exist?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
Signal name
Fuse and fusible link No.
Battery power supply
I
10
Terminals
Voltage
(Approx.)
(+)
(
−
)
BCM
Ground
Connector
Terminal
M118
1
Battery voltage
M119
11
BCM
Ground
Continuity
Connector
Terminal
M119
13
Existed
2014 GT-R
PCS
PUSH-BUTTON IGNITION SWITCH
PCS-23
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
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PUSH-BUTTON IGNITION SWITCH
Description
INFOID:0000000009163903
BCM transmits the change in the power supply position with the push-button ignition switch to IPDM E/R via
the CAN communication line. IPDM E/R transmits the power supply position status via CAN communication
line to BCM.
Diagnosis Procedure
INFOID:0000000009163905
1.
CHECK PUSH-BUTTON IGNITION SWITCH OPERATION
Press push-button ignition switch and check if it turns ON.
Does ignition switch turn ON?
YES
>> GO TO 2.
NO
>> GO TO 4.
2.
CHECK IGNITION SWITCH OUTPUT SIGNAL (IPDM E/R)
1.
Turn ignition switch OFF.
2.
Disconnect push-button ignition switch connector and BCM connector.
3.
Check voltage between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 3.
3.
CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT (IPDM E/R)
1.
Disconnect IPDM E/R connector.
2.
Check continuity between IPDM E/R harness connector and BCM harness connector.
3.
Check continuity between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-17, "Removal and Installation"
.
NO
>> Repair or replace harness.
4.
CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT (BCM)
1.
Check continuity between BCM harness connector and push-button ignition switch harness connector.
2.
Check continuity between BCM harness connector and ground.
(+)
(–)
Voltage (V)
(Approx.)
BCM
Connector
Terminal
M122
89
Ground
Battery voltage
IPDM E/R
BCM
Continuity
Connector
Terminal
Connector
Terminal
E5
28
M122
89
Existed
IPDM E/R
Ground
Continuity
Connector
Terminal
E5
28
Not existed
BCM
Push-button ignition switch
Continuity
Connector
Terminal
Connector
Terminal
M122
89
M131
4
Existed
2014 GT-R
PCS-24
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
PUSH-BUTTON IGNITION SWITCH
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness.
5.
CHECK PUSH-BUTTON IGNITION GROUND CIRCUIT
Check continuity between push-button ignition switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace harness.
6.
CHECK PUSH-BUTTON IGNITION SWITCH
Check push-button ignition switch. Refer to
PCS-24, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Replace push button ignition switch. Refer to
PCS-31, "Removal and Installation"
7.
CHECK INTERMITTENT INCIDENT
GI-38, "Intermittent Incident"
>> INSPECTION END
Component Inspection
INFOID:0000000009163906
1.
CHECK PUSH-BUTTON IGNITION SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect push-button ignition switch connector.
3.
Check continuity between push-button ignition switch terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace push-button ignition switch. Refer to
PCS-31, "Removal and Installation"
BCM
Ground
Continuity
Connector
Terminal
M122
89
Not existed
Push-button ignition switch
Ground
Continuity
Connector
Terminal
M131
1
Existed
Push-button ignition switch
Condition
Continuity
Terminal
1
4
Push-button ignition
switch
Pressed
Existed
Not pressed
Not existed
2014 GT-R
PCS
PUSH-BUTTON IGNITION SWITCH POSITION INDICATOR
PCS-25
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
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PUSH-BUTTON IGNITION SWITCH POSITION INDICATOR
Description
INFOID:0000000009163907
The switch that changes the power supply position.
BCM maintains the power supply position status.
BCM changes the power supply position with the operation of the push-button ignition switch.
Diagnosis Procedure
INFOID:0000000009163909
1.
CHECK PUSH-BUTTON IGNITION SWITCH INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect push-button ignition switch connector.
3.
Check voltage between push-button ignition switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Check 10 A fuse [No.11, located in fuse block (J/B)] and harness for open or short between push-
button ignition switch and fuse.
2.
CHECK BCM INPUT
1.
Connect push-button ignition switch connector.
2.
Disconnect BCM connector.
3.
Check voltage between BCM connector and ground.
Is the inspection normal?
YES
>> Replace BCM. Refer to
BCS-20, "Removal and Installation"
NO
>> GO TO 3.
3.
CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT
1.
Disconnect push-button ignition switch connector.
2.
Check continuity between BCM harness connector and push-button ignition switch harness connector.
3.
Check continuity between BCM harness connector and ground.
(+)
(–)
Voltage (V)
(Approx.)
Push-button ignition switch
Connector
Terminal
M131
8
Ground
Battery voltage
(+)
(–)
Voltage (V)
(Approx.)
BCM
Connector
Terminal
M119
15
Ground
Battery voltage
M122
93
M123
134
Indicator
BCM
Push-button ignition switch
Continuity
Connector
Terminal
Connector
Terminal
LOCK
M123
134
M131
5
Existed
ACC
M119
15
6
ON
M122
93
7
2014 GT-R
PCS-26
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
PUSH-BUTTON IGNITION SWITCH POSITION INDICATOR
Is the inspection result normal?
YES
>> Replace push-button ignition switch. Refer to
PCS-31, "Removal and Installation"
NO
>> Repair or replace harness.
Indicator
BCM
Ground
Continuity
Connector
Terminal
LOCK
M123
134
Not existed
ACC
M119
15
ON
M122
93
2014 GT-R
PCS
POWER DISTRIBUTION SYSTEM
PCS-27
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
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POWER DISTRIBUTION SYSTEM
Wiring Diagram - PDS (POWER DISTRIBUTION SYSTEM) -
INFOID:0000000009163910
For connector terminal arrangements, harness layouts, and alphabets in a
(option abbreviation; if not
described in wiring diagram), refer to
GI-12, "Connector Information"
JCMWA3870GB
2014 GT-R
PCS-28
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
POWER DISTRIBUTION SYSTEM
JCMWA3871GB
2014 GT-R
PCS
PRECAUTIONS
PCS-29
< PRECAUTION >
[POWER DISTRIBUTION SYSTEM]
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PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000009163916
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the “SRS AIR BAG” and “SEAT BELT” of this
Service Manual.
WARNING:
Always observe the following items for preventing accidental activation.
• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in
the event of a collision that would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal
injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag
Module, see “SRS AIR BAG”.
• Never use electrical test equipment on any circuit related to the SRS unless instructed to in this Ser-
vice Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or harness
connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
Always observe the following items for preventing accidental activation.
• When working near the Air Bag Diagnosis Sensor Unit or other Air Bag System sensors with the
ignition ON or engine running, never use air or electric power tools or strike near the sensor(s) with
a hammer. Heavy vibration could activate the sensor(s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers, always switch the ignition OFF, disconnect the
battery, and wait at least 3 minutes before performing any service.
Precaution for Procedure without Cowl Top Cover
INFOID:0000000009163917
When performing the procedure after removing cowl top cover, cover
the lower end of windshield with urethane, etc to prevent damage to
windshield.
Precautions Necessary for Steering Wheel Rotation After Battery Disconnection
INFOID:0000000009163918
CAUTION:
Comply with the following cautions to prevent any error and malfunction.
• Before removing and installing any control units, first turn the ignition switch to the LOCK position,
then disconnect both battery cables.
• After finishing work, confirm that all control unit connectors are connected properly, then re-connect
both battery cables.
• Always use CONSULT to perform self-diagnosis as a part of each function inspection after finishing
work. If a DTC is detected, perform trouble diagnosis according to self-diagnosis results.
PIIB3706J
2014 GT-R
PCS-30
< PRECAUTION >
[POWER DISTRIBUTION SYSTEM]
PRECAUTIONS
For vehicle with steering lock unit, if the battery is disconnected or discharged, the steering wheel will lock and
cannot be turned.
If turning the steering wheel is required with the battery disconnected or discharged, follow the operation pro-
cedure below before starting the repair operation.
OPERATION PROCEDURE
1.
Connect both battery cables.
NOTE:
Supply power using jumper cables if battery is discharged.
2.
Turn the ignition switch to ACC position.
(At this time, the steering lock will be released.)
3.
Disconnect both battery cables. The steering lock will remain released with both battery cables discon-
nected and the steering wheel can be turned.
4.
Perform the necessary repair operation.
5.
When the repair work is completed, re-connect both battery cables. With the brake pedal released, turn
the ignition switch from ACC position to ON position, then to LOCK position. (The steering wheel will lock
when the ignition switch is turned to LOCK position.)
6.
Perform self-diagnosis check of all control units using CONSULT.
Precaution for Battery Service
INFOID:0000000009163919
Before disconnecting the battery, lower both the driver and passenger windows. This will prevent any interfer-
ence between the window edge and the vehicle when the door is opened/closed. During normal operation, the
window slightly raises and lowers automatically to prevent any window to vehicle interference. The automatic
window function will not work with the battery disconnected.
2014 GT-R
PCS
PUSH-BUTTON IGNITION SWITCH
PCS-31
< REMOVAL AND INSTALLATION >
[POWER DISTRIBUTION SYSTEM]
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REMOVAL AND INSTALLATION
PUSH-BUTTON IGNITION SWITCH
Removal and Installation
INFOID:0000000009163923
REMOVAL
1.
Remove control device. Refer to
TM-16, "Removal and Installation"
.
2.
Disconnect push-button ignition switch connector (2).
3.
Remove the push-button ignition switch fixing pawl, and then remove push-button ignition switch (1).
INSTALLATION
Install in the reverse order of removal.
: Pawl
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2014 GT-R
PWC-1
BODY EXTERIOR, DOORS, ROOF & VEHICLE SECURITY
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SECTION
PWC
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B
PWC
N
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CONTENTS
POWER WINDOW CONTROL SYSTEM
BASIC INSPECTION . . . . . . . . .
DIAGNOSIS AND REPAIR WORK FLOW . . .
Work Flow . . . . . . . . . . . . . . . .....
INSPECTION AND ADJUSTMENT . . . . . .
ADDITIONAL SERVICE WHEN REMOVING BAT-
TERY NEGATIVE TERMINAL . . . . . . . . .....
ADDITIONAL SERVICE WHEN REMOVING
BATTERY NEGATIVE TERMINAL : Description . ..
ADDITIONAL SERVICE WHEN REPLACING
POWER WINDOW MOTOR . . . . . . . . . .....
ADDITIONAL SERVICE WHEN REPLACING
POWER WINDOW MOTOR : Description . . . ....
SYSTEM DESCRIPTION . . . . . . . ..
POWER WINDOW SYSTEM . . . . . . . ...
System Diagram . . . . . . . . . . . . . ....
System Description . . . . . . . . . . . . ...
Component Parts Location . . . . . . . . . ....
Component Description . . . . . . . . . . .....
DTC/CIRCUIT DIAGNOSIS . . . . . . .
POWER SUPPLY AND GROUND CIRCUIT . ..
BCM . . . . . . . . . . . . . . . . . . ...
BCM : Diagnosis Procedure . . . . . . . . .
POWER WINDOW MOTOR . . . . . . . . . ...
POWER WINDOW MOTOR : Diagnosis Proce-
dure . . . . . . . . . . . . . . . . . . .
POWER WINDOW MAIN SWITCH . . . . . . .
POWER WINDOW MAIN SWITCH : Diagnosis
Procedure . . . . . . . . . . . . . . . .
POWER WINDOW MAIN SWITCH . . . . ...
DRIVER SIDE . . . . . . . . . . . . . . . .
DRIVER SIDE : Description . . . . . . . . . .
DRIVER SIDE : Component Function Check . . ..
DRIVER SIDE : Diagnosis Procedure . . . . . .
DRIVER SIDE : Component Inspection . . . . ...
PASSENGER SIDE . . . . . . . . . . . . .
PASSENGER SIDE : Description . . . . . . .
PASSENGER SIDE : Component Function Check
.
PASSENGER SIDE : Diagnosis Procedure . . .
PASSENGER SIDE : Component Inspection . . ..
POWER WINDOW SUB-SWITCH . . . . .
Description . . . . . . . . . . . . . . . ...
Component Function Check . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
Component Inspection . . . . . . . . . . . .
POWER WINDOW MOTOR . . . . . . . ..
Description . . . . . . . . . . . . . . . ...
Component Function Check . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
POWER WINDOW AUTO CIRCUIT . . . . ..
POWER WINDOW MAIN SWITCH . . . . . . .
POWER WINDOW MAIN SWITCH : Description .
POWER WINDOW MAIN SWITCH : Component
Function Check . . . . . . . . . . . . . .
POWER WINDOW MAIN SWITCH : Diagnosis
Procedure . . . . . . . . . . . . . . . .
POWER WINDOW SUB-SWITCH . . . . . . . .
POWER WINDOW SUB-SWITCH : Description . .
POWER WINDOW SUB-SWITCH : Component
Function Check . . . . . . . . . . . . . .
2014 GT-R
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