SYSTEM — BASIC ENGINE CONTROL SYSTEM


SYMPTOM
Reference page
HARD/NO START/RESTART (EXCP. HA)
ENGINE STALL
HESITATION/SURGING/FLAT SPOT
SPARK KNOCK/DETONATION
LACK OF POWER/POOR ACCELERATION
HIGH IDLE/LOW IDLE
ROUGH IDLE/HUNTING
IDLING VIBRATION
SLOW/NO RETURN TO IDLE
OVERHEATS/WATER TEMPERATURE HIGH
EXCESSIVE FUEL CONSUMPTION
EXCESSIVE OIL CONSUMPTION
BATTERY DEAD (UNDER CHARGE)
Warranty symptom code
AA
AB
AC
AD
AE
AF
AG
AH
AJ
AK
AL
AM
HA
Fuel
Fuel pump circuit
1
1
2
3
2

2
2


3

2
Component Function Check (GT-R certified NISSAN dealer)
Sub fuel pump circuit


2
2
1








DTC Logic (GT-R certified NISSAN dealer)
Fuel pressure regulator system
3
3
4
4
4
4
4
4
4

4


Inspection (GT-R certified NISSAN dealer)
Fuel injector circuit
1
1
2
3
2

2
2


2


Component Function Check (GT-R certified NISSAN dealer)
Evaporative emission system
3
3
4
4
4
4
4
4
4

4


System Description (GT-R certified NISSAN dealer)
Air
Positive crankcase ventilation system
3
3
4
4
4
4
4
4
4

4
1

Component Inspection
Incorrect idle speed adjustment



1
1
1
1

1


Special Repair Requirement (GT-R certified NISSAN dealer)
Electric throttle control actuator
1
1
2
3
3
2
2
2
2

2

2
DTC Logic (GT-R certified NISSAN dealer), DTC Logic (GT-R certified NISSAN dealer)
Ignition
Incorrect ignition timing adjustment
3
3
1
1
1

1
1


1


Special Repair Requirement (GT-R certified NISSAN dealer)
Ignition circuit
1
1
2
2
2

2
2


2


Component Function Check (GT-R certified NISSAN dealer)
Main power supply and ground circuit
2
2
3
3
3

3
3

2
3


Diagnosis Procedure (GT-R certified NISSAN dealer)
Mass air flow sensor circuit
1
1
2
2
2

2
2


2


DTC Logic (GT-R certified NISSAN dealer), DTC Logic (GT-R certified NISSAN dealer)
Engine coolant temperature sensor circuit
3
3
3



DTC Logic (GT-R certified NISSAN dealer), DTC Logic (GT-R certified NISSAN dealer)
Air fuel ratio (A/F) sensor 1 circuit






DTC Logic (GT-R certified NISSAN dealer), DTC Logic (GT-R certified NISSAN dealer), DTC Logic (GT-R certified NISSAN dealer), DTC Logic (GT-R certified NISSAN dealer), DTC Logic (GT-R certified NISSAN dealer)
Throttle position sensor circuit


2
2



DTC Logic (GT-R certified NISSAN dealer), DTC Logic (GT-R certified NISSAN dealer), DTC Logic (GT-R certified NISSAN dealer), DTC Logic (GT-R certified NISSAN dealer), DTC Logic (GT-R certified NISSAN dealer)
Accelerator pedal position sensor circuit


3
2
1






DTC Logic (GT-R certified NISSAN dealer), DTC Logic (GT-R certified NISSAN dealer), DTC Logic (GT-R certified NISSAN dealer)
Knock sensor circuit


2







3


DTC Logic (GT-R certified NISSAN dealer)
Engine oil temperature sensor


4

3





3


DTC Logic (GT-R certified NISSAN dealer), DTC Logic (GT-R certified NISSAN dealer)
Crankshaft position sensor (POS) circuit
2
2











DTC Logic (GT-R certified NISSAN dealer)
Camshaft position sensor (PHASE) circuit
3
2











DTC Logic (GT-R certified NISSAN dealer)
Turbocharger boost sensor circuit


3

3








DTC Logic (GT-R certified NISSAN dealer),
DTC Logic (GT-R certified NISSAN dealer)
Vehicle speed signal circuit

2
3

3





3


DTC Logic (GT-R certified NISSAN dealer)
Power steering pressure sensor circuit

2




3
3





DTC Logic (GT-R certified NISSAN dealer)
ECM
2
2
3
3
3
3
3
3
3
3
3


DTC Logic (GT-R certified NISSAN dealer), DTC Logic (GT-R certified NISSAN dealer)
Intake valve timing control solenoid valve circuit

3
2

3
3
2
2
3

3


DTC Logic (GT-R certified NISSAN dealer)
Air cut solenoid valve circuit
3



3








DTC Logic (GT-R certified NISSAN dealer)
Turbocharger boost control solenoid valve circuit


3

3








DTC Logic (GT-R certified NISSAN dealer)
PNP signal circuit


3

3

3
3


3


DTC Logic (GT-R certified NISSAN dealer)
Refrigerant pressure sensor circuit

2



3


3

4


Component Function Check (GT-R certified NISSAN dealer)
Electrical load signal circuit






3






Component Function Check (GT-R certified NISSAN dealer)
Air conditioner circuit
2
2
3
3
3
3
3
3
3

3

2
Work Flow
ABS actuator and electric unit (control unit)


4










Work Flow (GT-R certified NISSAN dealer)
1 - 6: The numbers refer to the order of inspection.
(continued on next table)

 
 SYSTEM — ENGINE MECHANICAL & OTHER


SYMPTOM
Reference page
HARD/NO START/RESTART (EXCP. HA)
ENGINE STALL
HESITATION/SURGING/FLAT SPOT
SPARK KNOCK/DETONATION
LACK OF POWER/POOR ACCELERATION
HIGH IDLE/LOW IDLE
ROUGH IDLE/HUNTING
IDLING VIBRATION
SLOW/NO RETURN TO IDLE
OVERHEATS/WATER TEMPERATURE HIGH
EXCESSIVE FUEL CONSUMPTION
EXCESSIVE OIL CONSUMPTION
BATTERY DEAD (UNDER CHARGE)
Warranty symptom code
AA
AB
AC
AD
AE
AF
AG
AH
AJ
AK
AL
AM
HA
Fuel
Fuel tank
5
5











Inspection (GT-R certified NISSAN dealer)
Fuel piping
5
5
5
5
5
5
Inspection (GT-R certified NISSAN dealer)
Vapor lock






5






Valve deposit
5
5
5
5

5
5


5

Poor fuel (Heavy weight gasoline, Low octane)




Air
Air duct

5
5

5

5
5


5


Removal and Installation
Air cleaner
Removal and Installation
Air leakage from air duct
(Mass air flow sensor — electric throttle control actuator)
5
5
5
5
Removal and Installation
Electric throttle control actuator
Removal and Installation
Air leakage from intake manifold/Collector/Gasket
Inspection (GT-R certified NISSAN dealer)
Cranking
Battery
1
1
1

1

1
1


1

1
Work Flow
Generator circuit
Inspection Procedure,
Starter circuit
3






Work Flow (GT-R certified NISSAN dealer)
Signal plate
6
Inspection (GT-R certified NISSAN dealer)
PNP signal
4
Inspection and Adjustment
Engine
Cylinder head
5
5
5
5
5

5
5


5


Inspection (GT-R certified NISSAN dealer)
Cylinder head gasket
4
3

Cylinder block
6
6
6
6
6
6
6

6
4
Inspection (GT-R certified NISSAN dealer)
Piston
Piston ring
Connecting rod

Bearing
Crankshaft
Valve mechanism
Timing chain
5
5
5
5
5

5
5


5


Inspection (GT-R certified NISSAN dealer)
Camshaft
Inspection (GT-R certified NISSAN dealer)
Intake valve timing control
Disassembly and Assembly (GT-R certified NISSAN dealer)
Intake valve
3
Inspection (GT-R certified NISSAN dealer)
Exhaust valve
Exhaust
Exhaust manifold/Tube/Muffler/Gasket
5
5
5
5
5

5
5


5


Inspection (GT-R certified NISSAN dealer), Exploded View
Three way catalyst
Lubrication
Oil pan/Oil strainer/Oil pump/Oil filter/Oil gallery/Oil cooler
5
5
5
5
5

5
5


5


Inspection (GT-R certified NISSAN dealer), Inspection, Inspection (GT-R certified NISSAN dealer), Inspection (GT-R certified NISSAN dealer)
Oil level (Low)/Filthy oil
Inspection
Cooling
Radiator/Hose/Radiator filler cap
5
5
5
5
5

5
5

4
5


Inspection, Inspection
Thermostat
5
Inspection (GT-R certified NISSAN dealer)
Water pump

Inspection (GT-R certified NISSAN dealer)
Water gallery
Removal and Installation (GT-R certified NISSAN dealer)
Cooling fan
5
Inspection (GT-R certified NISSAN dealer)
Coolant level (Low)/Contaminated coolant
Inspection
IVIS (INFINITI Vehicle Immobilizer System — NATS)
1
1











Work Flow
1 - 6: The numbers refer to the order of inspection.