Nissan GT-R. Instruction — part 230

PCS

PCS-1

ELECTRICAL & POWER CONTROL

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SECTION

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CONTENTS

POWER CONTROL SYSTEM

IPDM E/R

SYSTEM DESCRIPTION . . . . . . . ..

3

RELAY CONTROL SYSTEM . . . . . . . ..

3

System Diagram . . . . . . . . . . . . . ....

3

System Description . . . . . . . . . . . . ...

3

Component Parts Location . . . . . . . . . ....

4

SIGNAL BUFFER SYSTEM . . . . . . . .

6

System Diagram . . . . . . . . . . . . . ....

6

System Description . . . . . . . . . . . . ...

6

POWER CONSUMPTION CONTROL SYS-
TEM . . . . . . . . . . . . . . . . . .

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System Diagram . . . . . . . . . . . . . ....

7

System Description . . . . . . . . . . . . ...

7

Component Parts Location . . . . . . . . . ....

8

DIAGNOSIS SYSTEM (IPDM E/R) . . . . . ..

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Diagnosis Description . . . . . . . . . . . ...

9

DTC/CIRCUIT DIAGNOSIS . . . . . . .

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POWER SUPPLY AND GROUND CIRCUIT . ..

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Diagnosis Procedure . . . . . . . . . . . ...

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ECU DIAGNOSIS INFORMATION . . . ..

12

IPDM E/R (INTELLIGENT POWER DISTRI-
BUTION MODULE ENGINE ROOM) . . . . .

12

Wiring Diagram - IPDM E/R - . . . . . . . . ..

13

PRECAUTION . . . . . . . . . . . ..

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PRECAUTIONS . . . . . . . . . . . . ..

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Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" . . . . . . . . . . . . . . . . .

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Precaution for Procedure without Cowl Top Cover

.

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Precaution for Battery Service . . . . . . . .

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REMOVAL AND INSTALLATION . . . ...

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IPDM E/R (INTELLIGENT POWER DISTRI-
BUTION MODULE ENGINE ROOM) . . . .

17

Exploded View . . . . . . . . . . . . . . .

17

Removal and Installation . . . . . . . . . . .

17

POWER DISTRIBUTION SYSTEM

SYSTEM DESCRIPTION . . . . . . . .

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POWER DISTRIBUTION SYSTEM . . . . ...

19

System Description . . . . . . . . . . . . ..

19

Component Parts Location . . . . . . . . . ..

21

DTC/CIRCUIT DIAGNOSIS . . . . . . .

22

POWER SUPPLY AND GROUND CIRCUIT .

22

BCM . . . . . . . . . . . . . . . . . . ...

22

BCM : Diagnosis Procedure . . . . . . . . .

22

PUSH-BUTTON IGNITION SWITCH . . . .

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Description . . . . . . . . . . . . . . . ...

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Diagnosis Procedure . . . . . . . . . . . ...

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Component Inspection . . . . . . . . . . . .

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PUSH-BUTTON IGNITION SWITCH POSI-
TION INDICATOR . . . . . . . . . . . .

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Description . . . . . . . . . . . . . . . ...

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Diagnosis Procedure . . . . . . . . . . . ...

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POWER DISTRIBUTION SYSTEM . . . . ...

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Wiring Diagram - PDS (POWER DISTRIBUTION
SYSTEM) - . . . . . . . . . . . . . . . ..

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PRECAUTION . . . . . . . . . . . ..

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PRECAUTIONS . . . . . . . . . . . . .

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Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" . . . . . . . . . . . . . . . . .

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Precaution for Procedure without Cowl Top Cover .

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Precautions Necessary for Steering Wheel Rota-
tion After Battery Disconnection . . . . . . . ..

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PCS-2

Precaution for Battery Service . . . . . . . ....

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REMOVAL AND INSTALLATION . . . ...

31

PUSH-BUTTON IGNITION SWITCH . . . . .

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Removal and Installation . . . . . . . . . . .

31

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

EXL-3

Tail lamp relay

Position light request signal

BCM (CAN)

• Parking lamp
• Side marker lamp
• License plate lamp
• Tail lamp

EXL-11

Illuminations

INL-9

• Front wiper relay
• Front wiper high relay

Front wiper request signal

BCM (CAN)

Front wiper

WW-2

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)

SEC-12

• Starter relay

NOTE

• Starter control relay

Starter control relay signal

BCM (CAN)

Starter motor

SEC-4

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

SEC-4

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)

HAC-19

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)

EXL-7

NNMIA0048ZZ