File name Motore 1.pdfENGINE CONTROL SYSTEM
B ENGINE
SECTION
ENGINE CONTROL SYSTEM
EC
A
EC
C
D
CONTENTS
QG (WITH EURO-OBD)
INDEX FOR DTC ... 20 . Alphabetical Index ... 20 . DTC No. Index ... 24 . PRECAUTIONS ... 30 . Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" ... 30 . On Board Diagnostic (OBD) System of Engine and A/T ... 30 . Precaution ... 30 . Wiring Diagrams and Trouble Diagnosis ... 33 . PREPARATION ... 34 . Special Service Tools ... 34 . Commercial Service Tools ... 34 . ENGINE CONTROL SYSTEM ... 36 . System Diagram - M/T Models ... 36 . System Diagram - A/T Models ... 37 . Vacuum Hose Drawing ... 38 . System Chart ... 39 . Multiport Fuel Injection (MFI) System ... 39 . Electronic Ignition (EI) System ... 41 . Air Conditioning Cut Control ... 42 . Fuel Cut Control (at No Load and High Engine Speed) ... 43 . CAN Communication ... 43 . BASIC SERVICE PROCEDURE ... 48 . Idle Speed and Ignition Timing Check ... 48 . Accelerator Pedal Released Position Learning ... 49 . Throttle Valve Closed Position Learning ... 49 . Idle Air Volume Learning ... 49 . Fuel Pressure Check ... 52 . ON BOARD DIAGNOSTIC (OBD) SYSTEM ... 54 . Introduction ... 54 . Two Trip Detection Logic ... 54 . Emission-related Diagnostic Information ... 55 . NATS (Nissan Anti-theft System) ... 70 . Malfunction Indicator (MI) ... .. 70 . OBD System Operation Chart ... 74 . TROUBLE DIAGNOSIS ... 79 . Trouble Diagnosis Introduction ... 79 . DTC Inspection Priority Chart ... 83 . Fail-safe Chart ... 85 . Basic Inspection ... 87 . Symptom Matrix Chart ... |