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Nissan Primera P12. Manual - part 204
EC-1
ENGINE CONTROL SYSTEM
B ENGINE
CONTENTS
C
D
E
F
G
H
I
J
K
L
M
SECTION
A
EC
ENGINE CONTROL SYSTEM
YD (WITH EURO-OBD)
INDEX FOR DTC .......................................................11
Alphabetical Index ...................................................11
DTC No. Index ....................................................... 13
PRECAUTIONS ........................................................ 16
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ................................................................ 16
On Board Diagnostic (OBD) System of Engine ...... 16
Precautions ............................................................ 16
Wiring Diagrams and Trouble Diagnosis ................ 19
PREPARATION ......................................................... 20
ENGINE CONTROL SYSTEM .................................. 21
System Diagram ..................................................... 21
Vacuum Hose Drawing ........................................... 22
System Chart ......................................................... 23
Fuel Injection Control System ................................ 23
Fuel Injection Timing Control System ..................... 25
Air Conditioning Cut Control ................................... 25
Fuel Cut Control (At No Load & High Engine Speed)... 25
Crankcase Ventilation System ............................... 26
CAN Communication .............................................. 26
BASIC SERVICE PROCEDURE .............................. 29
ON BOARD DIAGNOSTIC (OBD) SYSTEM ............ 31
Introduction ............................................................ 31
Three Trip Detection Logic and One Trip Detection
Logic ....................................................................... 31
Emission-related Diagnostic Information ................ 31
NATS (Nissan Anti-theft System) ........................... 35
Malfunction Indicator (MI) ....................................... 36
OBD System Operation Chart ................................ 37
TROUBLE DIAGNOSIS ............................................ 40
Trouble Diagnosis Introduction ............................... 40
DTC Inspection Priority Chart ................................ 43
Basic Inspection ..................................................... 44
Symptom Matrix Chart ........................................... 48
Engine Control Component Parts Location ............ 52
Circuit Diagram ....................................................... 55
ECM Harness Connector Terminal Layout ............. 57
ECM Terminals And Reference Value .................... 57
CONSULT-II Function ............................................. 64
Generic Scan Tool (GST) Function ......................... 70
CONSULT-IIReferenceValueinDataMonitorMode
MAIN POWER SUPPLY AND GROUND CIRCUIT... 76
ECM Terminals and Reference Value ..................... 76
Wiring Diagram ....................................................... 77
Diagnostic Procedure ............................................. 78
Component Inspection ............................................ 81
Ground Inspection .................................................. 82
DTC U1000 CAN COMMUNICATION LINE .............. 83
Description .............................................................. 83
On Board Diagnosis Logic ...................................... 83
DTC Confirmation Procedure ................................. 83
Wiring Diagram ....................................................... 84
Diagnostic Procedure ............................................. 85
DTC P0016 CKP - CMP CORRELATION ................. 86
Description .............................................................. 88
ECM Terminals and Reference Value ..................... 88
On Board Diagnosis Logic ...................................... 89
DTC Confirmation Procedure ................................. 89
Wiring Diagram ....................................................... 90
Diagnostic Procedure ............................................. 91
Component Inspection ............................................ 92