ENGINE CONTROL SYSTEM SYMPTOMS
VR38
SYSTEM — BASIC ENGINE CONTROL SYSTEM SYSTEM — ENGINE MECHANICAL & OTHER|
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SYMPTOM |
Reference page |
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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) |
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Warranty symptom code |
AA |
AB |
AC |
AD |
AE |
AF |
AG |
AH |
AJ |
AK |
AL |
AM |
HA |
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Fuel |
Fuel tank |
5 |
5 |
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Inspection (GT-R certified NISSAN dealer)
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Fuel piping |
5 |
5 |
5 |
5 |
5 |
5 |
Inspection (GT-R certified NISSAN dealer)
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Vapor lock |
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5 |
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— |
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Valve deposit |
5 |
5 |
5 |
5 |
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5 |
5 |
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5 |
— |
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Poor fuel (Heavy weight gasoline, Low octane) |
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— |
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Air |
Air duct |
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5 |
5 |
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5 |
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5 |
5 |
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5 |
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Removal and Installation
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Air cleaner |
Removal and Installation
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Air leakage from air duct (Mass air flow sensor — electric throttle control actuator) |
5 |
5 |
5 |
5 |
Removal and Installation
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Electric throttle control actuator |
Removal and Installation
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Air leakage from intake manifold/Collector/Gasket |
Inspection (GT-R certified NISSAN dealer)
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Cranking |
Battery |
1 |
1 |
1 |
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1 |
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1 |
1 |
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1 |
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1 |
Work Flow
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Generator circuit |
Inspection Procedure, |
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Starter circuit |
3 |
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Work Flow (GT-R certified NISSAN dealer)
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Signal plate |
6 |
Inspection (GT-R certified NISSAN dealer)
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PNP signal |
4 |
Inspection and Adjustment
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Engine |
Cylinder head |
5 |
5 |
5 |
5 |
5 |
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5 |
5 |
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5 |
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Inspection (GT-R certified NISSAN dealer)
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Cylinder head gasket |
4 |
3 |
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Cylinder block |
6 |
6 |
6 |
6 |
6 |
6 |
6 |
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6 |
4 |
Inspection (GT-R certified NISSAN dealer)
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Piston |
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Piston ring |
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Connecting rod |
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Bearing |
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Crankshaft |
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Valve mechanism |
Timing chain |
5 |
5 |
5 |
5 |
5 |
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5 |
5 |
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5 |
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Inspection (GT-R certified NISSAN dealer)
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Camshaft |
Inspection (GT-R certified NISSAN dealer)
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Intake valve timing control |
Disassembly and Assembly (GT-R certified NISSAN dealer)
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Intake valve |
3 |
Inspection (GT-R certified NISSAN dealer)
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Exhaust valve |
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Exhaust |
Exhaust manifold/Tube/Muffler/Gasket |
5 |
5 |
5 |
5 |
5 |
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5 |
5 |
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5 |
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Inspection (GT-R certified NISSAN dealer), Exploded View |
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Three way catalyst |
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Lubrication |
Oil pan/Oil strainer/Oil pump/Oil filter/Oil gallery/Oil cooler |
5 |
5 |
5 |
5 |
5 |
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5 |
5 |
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5 |
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Inspection (GT-R certified NISSAN dealer), Inspection, Inspection (GT-R certified NISSAN dealer), Inspection (GT-R certified NISSAN dealer) |
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Oil level (Low)/Filthy oil |
Inspection
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Cooling |
Radiator/Hose/Radiator filler cap |
5 |
5 |
5 |
5 |
5 |
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5 |
5 |
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4 |
5 |
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Inspection, Inspection |
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Thermostat |
5 |
Inspection (GT-R certified NISSAN dealer)
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Water pump |
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Inspection (GT-R certified NISSAN dealer)
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Water gallery |
Removal and Installation (GT-R certified NISSAN dealer)
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Cooling fan |
5 |
Inspection (GT-R certified NISSAN dealer)
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Coolant level (Low)/Contaminated coolant |
Inspection
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IVIS (INFINITI Vehicle Immobilizer System — NATS) |
1 |
1 |
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Work Flow
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