Nissan 350Z Workshop Maunual 2005 (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 2005 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 (Except for 35th Anniversary) ..... 22
System Diagram (For 35th Anniversary) ................ 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) ...........................63
OBD System Operation Chart ................................66
BASIC SERVICE PROCEDURE ...............................72
Basic Inspection .....................................................72
Idle Speed and Ignition Timing Check .................... 77
Idle Mixture Ratio Adjustment ................................. 78
VIN Registration .....................................................90
Exhaust Valve Timing Control Learning (For 35th
Anniversary) ...........................................................90
Accelerator Pedal Released Position Learning ...... 91
Throttle Valve Closed Position Learning ................. 91
Idle Air Volume Learning ........................................92
Fuel Pressure Check ..............................................94
TROUBLE DIAGNOSIS ............................................ 96
Trouble Diagnosis Introduction ...............................96
DTC Inspection Priority Chart ...............................102
Fail-safe Chart ......................................................104
Symptom Matrix Chart ..........................................105
Engine Control Component Parts Location (Except
for 35th Anniversary) ............................................109
Engine Control Component Parts Location (For
35th Anniversary) .................................................115
Vacuum Hose Drawing .........................................121
Circuit Diagram .....................................................122
ECM Harness Connector Terminal Layout ...........124
ECM Terminals and Reference Value ...................124
CONSULT-II Function (ENGINE) ..........................135
Generic Scan Tool (GST) Function .......................148
CONSULT-II Reference Value in Data Monitor .....150
Major Sensor Reference Graph in Data Monitor
Mode .....................................................................154

Nissan 350Z Workshop Maunual 2005 (13) Summary of Content

EC-1ENGINE CONTROL SYSTEMB ENGINECONTENTSCDEFGHIJKLMSECTION ECAECRevision: 2005 August 2005 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 (Except for 35th Anniversary) ..... 22System Diagram (For 35th Anniversary) ................ 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) ...........................63OBD System Operation Chart ................................66BASIC SERVICE PROCEDURE ...............................72Basic Inspection .....................................................72Idle Speed and Ignition Timing Check .................... 77Idle Mixture Ratio Adjustment ................................. 78VIN Registration .....................................................90Exhaust Valve Timing Control Learning (For 35th Anniversary) ...........................................................90Accelerator Pedal Released Position Learning ...... 91Throttle Valve Closed Position Learning ................. 91Idle Air Volume Learning ........................................92Fuel Pressure Check ..............................................94TROUBLE DIAGNOSIS ............................................ 96Trouble Diagnosis Introduction ...............................96DTC Inspection Priority Chart ...............................102Fail-safe Chart ......................................................104Symptom Matrix Chart ..........................................105Engine Control Component Parts Location (Except for 35th Anniversary) ............................................109Engine Control Component Parts Location (For 35th Anniversary) .................................................115Vacuum Hose Drawing .........................................121Circuit Diagram .....................................................122ECM Harness Connector Terminal Layout ...........124ECM Terminals and Reference Value ...................124CONSULT-II Function (ENGINE) ..........................135Generic Scan Tool (GST) Function .......................148CONSULT-II Reference Value in Data Monitor .....150Major Sensor Reference Graph in Data Monitor Mode .....................................................................154