Nissan 350Z Workshop Maunual 2006 (13) PDF

EC-1
ENGINE CONTROL SYSTEM
B ENGINE
CONTENTS
C
D
E
F
G
H
I
J
K
L
M
SECTION EC
A
EC
Revision: 2005 August 2006 350Z
ENGINE CONTROL SYSTEM
INDEX FOR DTC ........................................................ 8
DTC No. Index ......................................................... 8
Alphabetical Index .................................................. 12
PRECAUTIONS ........................................................ 16
Precautions for Supplemental Restraint System
(SRS) ?AIR BAG? and ?SEAT BELT PRE-TEN-
SIONER? ................................................................ 16
Precautions for Battery Service .............................. 16
On Board Diagnostic (OBD) System of Engine and
A/T .......................................................................... 16
Precaution .............................................................. 17
PREPARATION ......................................................... 20
Special Service Tools ............................................. 20
Commercial Service Tools ...................................... 21
ENGINE CONTROL SYSTEM .................................. 22
System Diagram (A/T Models) ............................... 22
System Diagram (M/T Models) .............................. 23
Multiport Fuel Injection (MFI) System .................... 24
Electronic Ignition (EI) System ............................... 26
Fuel Cut Control (at No Load and High Engine
Speed) .................................................................... 27
AIR CONDITIONING CUT CONTROL ..................... 28
Input/Output Signal Chart ....................................... 28
AUTOMATIC SPEED CONTROL DEVICE (ASCD) ... 29
System Description ................................................ 29
Component Description .......................................... 30
CAN COMMUNICATION .......................................... 31
System Description ................................................ 31
EVAPORATIVE EMISSION SYSTEM ....................... 32
Description ............................................................. 32
Component Inspection ........................................... 35
Removal and Installation ........................................ 36
How to Detect Fuel Vapor Leakage ....................... 36
ON BOARD REFUELING VAPOR RECOVERY
(ORVR) ...................................................................... 39
System Description ................................................ 39
Diagnostic Procedure ............................................. 40
Component Inspection ........................................... 42
POSITIVE CRANKCASE VENTILATION ................. 44
Description ..............................................................44
Component Inspection ............................................44
NVIS (NISSAN VEHICLE IMMOBILIZER SYSTEM-
NATS) ........................................................................46
Description ..............................................................46
ON BOARD DIAGNOSTIC (OBD) SYSTEM ............47
Introduction ............................................................. 47
Two Trip Detection Logic ........................................ 47
Emission-related Diagnostic Information ................48
Malfunction Indicator Lamp (MIL) ...........................62
OBD System Operation Chart ................................66
BASIC SERVICE PROCEDURE ...............................71
Basic Inspection .....................................................71
Idle Speed and Ignition Timing Check .................... 76
VIN Registration .....................................................77
Exhaust Valve Timing Control Learning (M/T Mod-
els) .......................................................................... 78
Accelerator Pedal Released Position Learning ...... 78
Throttle Valve Closed Position Learning ................. 79
Idle Air Volume Learning ........................................79
Fuel Pressure Check ..............................................81
TROUBLE DIAGNOSIS ............................................ 83
Trouble Diagnosis Introduction ...............................83
DTC Inspection Priority Chart .................................89
Fail-safe Chart ........................................................91
Symptom Matrix Chart ............................................92
Engine Control Component Parts Location (A/T
Models) ...................................................................96
Engine Control Component Parts Location (M/T
Models) .................................................................102
Vacuum Hose Drawing .........................................108
Circuit Diagram .....................................................109
ECM Harness Connector Terminal Layout ............111
ECM Terminals and Reference Value ....................111
CONSULT-II Function (ENGINE) ..........................122
Generic Scan Tool (GST) Function .......................135
CONSULT-II Reference Value in Data Monitor .....137
Major Sensor Reference Graph in Data Monitor
Mode .....................................................................141
TROUBLE DIAGNOSIS - SPECIFICATION VALUE .143

Nissan 350Z Workshop Maunual 2006 (13) Summary of Content

EC-1ENGINE CONTROL SYSTEMB ENGINECONTENTSCDEFGHIJKLMSECTION ECAECRevision: 2005 August 2006 350ZENGINE CONTROL SYSTEMINDEX FOR DTC ........................................................ 8DTC No. Index ......................................................... 8Alphabetical Index .................................................. 12PRECAUTIONS ........................................................ 16Precautions for Supplemental Restraint System (SRS) AIR BAG and SEAT BELT PRE-TEN-SIONER ................................................................ 16Precautions for Battery Service .............................. 16On Board Diagnostic (OBD) System of Engine and A/T .......................................................................... 16Precaution .............................................................. 17PREPARATION ......................................................... 20Special Service Tools ............................................. 20Commercial Service Tools ...................................... 21ENGINE CONTROL SYSTEM .................................. 22System Diagram (A/T Models) ............................... 22System Diagram (M/T Models) .............................. 23Multiport Fuel Injection (MFI) System .................... 24Electronic Ignition (EI) System ............................... 26Fuel Cut Control (at No Load and High Engine Speed) .................................................................... 27AIR CONDITIONING CUT CONTROL ..................... 28Input/Output Signal Chart ....................................... 28AUTOMATIC SPEED CONTROL DEVICE (ASCD) ... 29System Description ................................................ 29Component Description .......................................... 30CAN COMMUNICATION .......................................... 31System Description ................................................ 31EVAPORATIVE EMISSION SYSTEM ....................... 32Description ............................................................. 32Component Inspection ........................................... 35Removal and Installation ........................................ 36How to Detect Fuel Vapor Leakage ....................... 36ON BOARD REFUELING VAPOR RECOVERY (ORVR) ...................................................................... 39System Description ................................................ 39Diagnostic Procedure ............................................. 40Component Inspection ........................................... 42POSITIVE CRANKCASE VENTILATION ................. 44Description ..............................................................44Component Inspection ............................................44NVIS (NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS) ........................................................................46Description ..............................................................46ON BOARD DIAGNOSTIC (OBD) SYSTEM ............47Introduction ............................................................. 47Two Trip Detection Logic ........................................ 47Emission-related Diagnostic Information ................48Malfunction Indicator Lamp (MIL) ...........................62OBD System Operation Chart ................................66BASIC SERVICE PROCEDURE ...............................71Basic Inspection .....................................................71Idle Speed and Ignition Timing Check .................... 76VIN Registration .....................................................77Exhaust Valve Timing Control Learning (M/T Mod-els) .......................................................................... 78Accelerator Pedal Released Position Learning ...... 78Throttle Valve Closed Position Learning ................. 79Idle Air Volume Learning ........................................79Fuel Pressure Check ..............................................81TROUBLE DIAGNOSIS ............................................ 83Trouble Diagnosis Introduction ...............................83DTC Inspection Priority Chart .................................89Fail-safe Chart ........................................................91Symptom Matrix Chart ............................................92Engine Control Component Parts Location (A/T Models) ...................................................................96Engine Control Component Parts Location (M/T Models) .................................................................102Vacuum Hose Drawing .........................................108Circuit Diagram .....................................................109ECM Harness Connector Terminal Layout ............111ECM Terminals and Reference Value ....................111CONSULT-II Function (ENGINE) ..........................122Generic Scan Tool (GST) Function .......................135CONSULT-II Reference Value in Data Monitor .....137Major Sensor Reference Graph in Data Monitor Mode .....................................................................141TROUBLE DIAGNOSIS - SPECIFICATION VALUE .143