Nissan GT-R. Manual — part 230
PCS
PCS-1
ELECTRICAL & POWER CONTROL
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SECTION
PCS
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CONTENTS
POWER CONTROL SYSTEM
IPDM E/R
SYSTEM DESCRIPTION . . . . . . . ..
RELAY CONTROL SYSTEM . . . . . . . ..
System Diagram . . . . . . . . . . . . . ....
System Description . . . . . . . . . . . . ...
Component Parts Location . . . . . . . . . ....
SIGNAL BUFFER SYSTEM . . . . . . . .
System Diagram . . . . . . . . . . . . . ....
System Description . . . . . . . . . . . . ...
POWER CONSUMPTION CONTROL SYS-
TEM . . . . . . . . . . . . . . . . . .
System Diagram . . . . . . . . . . . . . ....
System Description . . . . . . . . . . . . ...
Component Parts Location . . . . . . . . . ....
DIAGNOSIS SYSTEM (IPDM E/R) . . . . . ..
Diagnosis Description . . . . . . . . . . . ...
DTC/CIRCUIT DIAGNOSIS . . . . . . .
POWER SUPPLY AND GROUND CIRCUIT . ..
Diagnosis Procedure . . . . . . . . . . . ...
ECU DIAGNOSIS INFORMATION . . . ..
IPDM E/R (INTELLIGENT POWER DISTRI-
BUTION MODULE ENGINE ROOM) . . . . .
Wiring Diagram - IPDM E/R - . . . . . . . . ..
PRECAUTION . . . . . . . . . . . ..
PRECAUTIONS . . . . . . . . . . . . ..
Precaution for Procedure without Cowl Top Cover
Precaution for Battery Service . . . . . . . .
REMOVAL AND INSTALLATION . . . ...
IPDM E/R (INTELLIGENT POWER DISTRI-
BUTION MODULE ENGINE ROOM) . . . .
Exploded View . . . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . . .
POWER DISTRIBUTION SYSTEM
SYSTEM DESCRIPTION . . . . . . . .
POWER DISTRIBUTION SYSTEM . . . . ...
System Description . . . . . . . . . . . . ..
Component Parts Location . . . . . . . . . ..
DTC/CIRCUIT DIAGNOSIS . . . . . . .
POWER SUPPLY AND GROUND CIRCUIT .
BCM . . . . . . . . . . . . . . . . . . ...
BCM : Diagnosis Procedure . . . . . . . . .
PUSH-BUTTON IGNITION SWITCH . . . .
Description . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
Component Inspection . . . . . . . . . . . .
PUSH-BUTTON IGNITION SWITCH POSI-
TION INDICATOR . . . . . . . . . . . .
Description . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
POWER DISTRIBUTION SYSTEM . . . . ...
Wiring Diagram - PDS (POWER DISTRIBUTION
SYSTEM) - . . . . . . . . . . . . . . . ..
PRECAUTION . . . . . . . . . . . ..
PRECAUTIONS . . . . . . . . . . . . .
Precaution for Procedure without Cowl Top Cover .
Precautions Necessary for Steering Wheel Rota-
tion After Battery Disconnection . . . . . . . ..
PCS-2
Precaution for Battery Service . . . . . . . ....
REMOVAL AND INSTALLATION . . . ...
PUSH-BUTTON IGNITION SWITCH . . . . .
PCS
RELAY CONTROL SYSTEM
PCS-3
< SYSTEM DESCRIPTION >
[IPDM E/R]
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SYSTEM DESCRIPTION
RELAY CONTROL SYSTEM
System Diagram
INFOID:0000000009163841
*: With daytime running light system
System Description
INFOID:0000000009163842
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.
NNMIB0004GB
PCS-4
< SYSTEM DESCRIPTION >
[IPDM E/R]
RELAY CONTROL SYSTEM
NOTE:
BCM controls the starter relay.
Component Parts Location
INFOID:0000000009163843
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
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
• Horn relay 1
• Horn relay 2
• Theft warning horn request
signal
• Horn reminder signal
BCM (CAN)
• Horn (low)
• Horn (high)
• Starter relay
NOTE
• Starter control relay
Starter control relay signal
BCM (CAN)
Starter motor
Steering lock unit condition
signal
Steering lock unit
Starter relay control signal
TCM
Steering lock relay
Steering lock relay signal
BCM (CAN)
Steering lock unit
Steering lock unit condition
signal
Steering lock unit
A/T shift selector (Detention
switch) signal
A/T shift selector
(Detention switch)
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
Daytime running light relay
Daytime running light request
signal
BCM (CAN)
Headlamp high
(High beam at approxi-
mately half illumination)
NNMIA0048ZZ
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