1998 NISSAN GT-R service

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NISSAN GT-R 1998  Service Manual 
SERVICEMANUAL

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NISSAN GT-R 1998  Service Manual 
NISSAN 
MODEL R34 SERIES 
FOREWORD 
This Sewice  Manual contains  infor- 
mation  concerning  necessary ser- 
vice  procedures  and  relevant  data 
for  the model 
R34 series. 
All  information,  il

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NISSAN GT-R 1998  Service Manual 
HOW TO USE THIS MANUAL 
b This Service  Manual only contains the service  data specifications  and trouble diagnosis informa- 
tion such  as self-diagnosis, 
CONSULT, circuit  diagram  and so on. 
b

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NISSAN GT-R 1998  Service Manual 
ENGINE AND EMISSION  CONTROL  OVERALL SYSTEM 
A 1 System Description 
The engine  control  system,  which  performs  various controls  such 
as the fuel injection  control and ignition timing control

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NISSAN GT-R 1998  Service Manual 
TROUBLE DIAGNOSES 
NISSAN 
CONSULT 
START 
I 1 
I SUB MODE BR455C 
1 b SELECTeYSTEM 
[ ENGINE 
I 
b SELECTDIAG MODE n] 
WORK SUPPORT 
SELF-DIAG 
RESULTS 
DATA MONITOR 
ACTIVE  TEST 
FUNCTION  TEST 
,

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NISSAN GT-R 1998  Service Manual 
TROUBLE DIAGNOSES 
P ECM (aTCM) InputDutput Signal Reference 
Value 
SIGNAL VOLTAGES MEASURED WITH OSCILLOSCOPE AND CIRCUIT TESTER 
- Signal voltages  measured  at ECM  (-TCM)  terminals (terminals

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NISSAN GT-R 1998  Service Manual 
TROUBLE DIAGNOSES 
n t 
\-Test port for "D", "2", and "1" positions 
I Test  port for "I?" position I 
Line  pressure  specification 
Basic Inspection 
Arr FLUlD 
Check A/T fluid for leakage  and fl

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NISSAN GT-R 1998  Service Manual 
TROUBLE DIAGNOSES 
DESCRIPTION 
CONSULT indicates operation timing  of each  solenoid  such as electrical  shift timing  and lock-up  timing. 
Therefore,  when  there  is a definite  difference betwe
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