System -- Engine Mechanical & Other

SYMPTOM

Reference

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

Fuel piping

5

5

5

5

5

5

Vapor lock

--

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

Removal and Installation , and Exploded View

Cranking

Battery

1

1

1

1

1

1

1

1

Work Flow

Generator circuit

Work Flow (With EXP-800 NI or GR8-1200 NI) (With EXP-800 NI or GR8-1200 NI)*, Work Flow (Without EXP-800 NI or GR8-1200 NI) (Without EXP-800 NI or GR8-1200 NI)*

Starter circuit

3

Work Flow (With GR8-1200 NI) (With GR8-1200 NI)*, Work Flow (Without GR8-1200 NI) (Without GR8-1200 NI)*

Signal plate

6

Inspection

PNP signal

4

DTC Description

Engine

Cylinder head

5

5

5

5

5

5

5

5

Inspection After Disassembly

Cylinder head gasket

4

3

Cylinder block

6

6

6

6

6

6

6

6

4

Inspection

Piston

Piston ring

Connecting rod

Bearing

Crankshaft

Valve mechanism

Timing chain

5

5

5

5

5

5

5

5

Removal and Installation

Camshaft

Inspection after Installation

Intake valve timing control

Valve Timing Control Cover (bank 1) , and Valve Timing Control Cover (bank 2)

Exhaust valve timing control

Valve Timing Control Cover (bank 1) , and Valve Timing Control Cover (bank 2)

Intake valve

3

Inspection After Disassembly

Exhaust valve

Exhaust

Exhaust manifold/Tube/Muffler/Gasket

5

5

5

5

5

5

5

5

Removal and Installation (bank 2) , Removal and Installation (bank 1) , and Checking Exhaust System

Three way catalyst

Lubrication

Oil pan/Oil strainer/Oil pump/Oil filter/Oil gallery/Oil cooler

5

5

5

5

5

5

5

5

Removal and Installation (Lower Oil Pan) , Removal and Installation (Upper Oil Pan) , Disassembly and Assembly , Removal and Installation , and Engine Lubrication System

Oil level (Low)/Filthy oil

Inspection

Cooling

Radiator/Hose/Radiator filler cap

5

5

5

5

5

5

5

4

5

Inspection , and System Inspection

Thermostat

5

Removal and Installation

Water pump

Removal and Installation

Water gallery

Cooling Circuit

Cooling fan

5

Removal and Installation

Coolant level (Low)/Contaminated coolant

System Inspection

NVIS (NISSAN Vehicle Immobilizer System -- NATS)

1

1

Work Flow