1998 NISSAN GT-R diagram

ELECTRIC SUPER HICAS
Circuit Diagram
Sensor 1 signal X E
- cu Sensor 2 signal
CU m f Neutral signal

RESTRAINT SYSTEM
SECTION RS
CONTENTS
TROUBLE DIAGNOSES - Supplemental
Restraint
System (SRS) ................................................. 2
Component Parts Location .......................................... 2
Precautions ................................................................. -2
Circuit Diagram ............................................................ 2
....................................................... Preliminary Check .3
Trouble Diagnoses with CONSULT ............................. 3
........................ Trouble Diagnoses without CONSULT
............................................................ Symptom Chart 9
..................................... Component Parts Inspection 10 T? 21 -3

TROUBLE DIAGNOSES - supplemental Restraint System (SRS)
Component Parts Location
Passenger air bag module
Diagnos~s
sensor
unit Driver air bag module
S~de
air
bag nodule
Satell~te sensor Seat belt pre-tensloner SRB0568D
Precautions
To perform system diagnosis, use self-diagnosis function and
CONSULT.
Do not use electrical test equipment such as a circuit tester
because
any wrong operation caused by a weak electric cur-
rent
of a tester must be prevented.
Circuit Diagram

HEATER &
AIR CONDITIONER
CONTENTS
HA SECTION
............................................................. COOLER CYCLE 2
Deodorizing Clean Filter .............................................. 2
FULLY AUTOMATIC AIR CONDITIONER ...................... 3
System Description ...................................................... 3
Component Parts Location .......................................... 4
Circuit Diagram ............................................................ 5
Automatic Amplifier Input /Output Signal
Specifications
.............................................................. .6
GI
EG
Performance Test ......................................................... 8 Rs
Trouble Diagnosis by Gauge Pressure ..................... 10
.......... Trouble Diagnosis by Self-diagnosis Function 11
Magnet Clutch System Check ................................... 15
Blower Fan Motor System Check 15
I ..............................
Actuator System Check ............................................. 16 EL
Trouble Diagnosis for Each Symptom ....................... 17
Component Parts Inspection ..................................... 18 SD

FULLY AUTOMATIC AIR CONDITIONER
Circuit
Diagram
Blower tan motor relay
Rear defogger
A Combination meter (meter UU) output * I Rear defogger relay - Rear defogger display inpui
I Compressor
Blower
fan driver signal Refrigerant Pressure sensor
Actuator driver power source
lntake driver
1 lntake driver 2 lntake driver 3 lntake driver 4
lntake door actuator NP ON output NP display input
Lighting
SW (1 step)
Y-lkEka Air mix door actuator
Illumination
power
source
Air mix driver 1 Air mrx drive: 2 Air mix driver 3 Air mix driver 4
Mode driver 1 1 Mode driver 2 Mode driver 3 Mode driver 4
INCAR In-vehicle sensor
Ambienl sensor
Sunload sensor
AM B
Water TEMP
SUN
INTAKE
Sensor around
lluminatron
groun:!
iND
Automatic
amp!iher

ELECTRICAL SYSTEM
SECTION EL
CONTENTS
CENTRAL DOOR LOCK SYSTEM ................................. 2
Component Parts Location .......................................... 2
Circuit Diagram ............................................................ 2
Combination Meter (meter control unit) Input/
Output Signal Specifications
........................................ 2
Inspection before Trouble Diagnoses ......................... -3
Trouble Diagnoses ....................................................... 3
REMOTE CONTROL ENTRY SYSTEM .......................... 4
Component Parts Location .......................................... 4
Circuit Diagram ............................................................ 4
Remote Control Entry Control Unit Input/Output
Signal Specifications
.................................................... 5
System Check ............................................................. -5
Inspection before Trouble Diagnoses .......................... 6
Trouble Diagnoses ....................................................... 6
Component Parts inspection ....................................... 6
ID Code Entry Procedure ............................................ 7
POWER WINDOW SYSTEM ........................................... 8
System Description ..................................................... -8
Precautions ................................................................. -8
Component Parts Location .......................................... 8
Circuit Diagram ............................................................ 9
Power Window Main Switch Input/Output Signal
Specifications
............................................................... 9
Inspection before Trouble Diagnoses ........................ 11
Trouble Diagnoses .................................................... 11
SUNROOF SYSTEM ...................................................... 12
Component Parts Location ........................................ 12
Circuit Diagram .......................................................... 12
Sunroof Switch and Sunroof Motor Assembly
lnputiOutput Signal Specifications
............................. 12
AUTO LIGHT SYSTEM ................................................. 1 3
Component Parts Location ........................................ 13
Auto Light Control Unit Input/Output Signal
Specifications
............................................................. 13
Circuit Diagram ........................................................ 14
Trouble Diagnoses .................................................. I 4
..................................... XENON HEADLAMP SYSTEM 15
Trouble Diagnoses ..................................................... 15
IGNITION KEY-OPERATED ILLUMINATION
SYSTEM
................................................................... 7
Component Parts Location ........................................ 17
.......................................................... Circuit Diagram 17
Meter Control Unit InputlOutput Signal
....................................................... Specifications 1 7
METER ........................................................................\
18
Corn bination Meter .................................................... 18
Triple Meter ................................................................ 20
................................................ COMBINATION METER 21
.................................................... System Description 21
........................................ Component Parts Location 21
Diagnosis Function .................................................... 21
................................... Meter-related Circuit Diagram 22
..................................................... Trouble Diagnoses 23
Combination Meter InpuVOutput Signal
Specifications
............................................................ -25
..................................... Component Parts Inspection 26
TRIPLE METER ............................................................. 29
Special Service Tool ................................................... 29
........................................ Component Parts Location 29
Circuit Diagram .......................................................... 29
Triple Meter InputfOutput Signal Specifications ........ 30
Component Parts Inspection ..................................... 30
IGNITION KEY WARNING BUZZER AND LIGHT
WARNING BUZZER
...................................................... 31
Component Parts Location ........................................ 31
Circuit Diagram .......................................................... 31
Meter Control Unit InpuVOutput Signal
Specifications
............................................................. 31
FRONT WIPER .............................................................. 32
Component Parts Location ........................................ 32
Circuit Diagram .......................................................... 32
Front Wiper Input/Output Signal Specifications ........ 32

CONTENTS (cm9d)
REAR WIPER ................................................................ 33 Meter Control Unit InpuVOutput Signal
Component
Parts Location ....................................... .33 Specifications -34 ............................................................
Circuit Diagram .......................................................... 33 WIPER DEICER ............................................................. 35
Rear Wiper Amplifier
Input/Output
Signal Component Parts Location
.35 @I .......................................
Specifications ............................................................ .33 Circuit Diagram 35 ..........................................................
REAR DEFOGGER AND HEATER MIRROR ............... 34 Wiper Deicer Switch InpuVOutput Signal
Component Parts Location ..34 Specifications.. 35 EG ...................................... ........................................................... .......................................................... Circuit Diagram 34

CENTRAL DOOR LOCK SYSTEM
Component
Parts Location
Door lock relay
LOCK -
Door lock relay
connector
1 LOCK 1
TK20 I I 5\41 1 (Brown) 1 11el j I 1
Combination meter
(Meter C/U) connector
I
Circuit Diagram
Driver door lock
Remote control entry
SW signal C/U connector
Lock signal
18. Unlock sign311 5 T 1
PMI main SW
(Central door lock SW)
----- I . RH door1
actuator 1 I I I Rear LH door I lock actuator I I I,,,,,,,------J
Driver door lock
actuator SW
P/'W main SW connector PNV main SW connector
(2-door Coupe) 1 (4-door Sedan) OCC3324 C
Combination Meter (meter control unit) Input/
Output Signal Specifications
-
I
. . 4 1 Driver door lock switch signal I
Specification
Approx. OV
Locked (OFF)
5
18
55
56
60
Operation or condition
Unlocked (ON1
Terminal No.
Approx.
5V
Signal name
Central door lock switch unlock signal
Central door lock switch lock signal
Ground Passenger and rear
RH 8 LH door lock
actuator lock signal
Passenger and rear RH & LH door lock actuator unlock siqnal Unlocked
(ON)
Operation other than above (OFF)
Locked (ON)
Operation other than above (OFF)
-
Central door lock switch is locked.
Central door lock switch is unlocked. Approx.
OV
Approx. 5V
Approx.
OV
Approx. 5V
Approx.
OV
Changes from approx. 12 to OV and back
to approx. 12V.
Changes from approx.
12 to OV and back
to approx. 12V.