Nissan 350Z Workshop Maunual 2004 (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: 2004 December 2004.5 350Z
ENGINE CONTROL SYSTEM
INDEX FOR DTC ........................................................ 8
Alphabetical Index .................................................... 8
DTC No. 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
Wiring Diagrams and Trouble Diagnosis ................ 19
PREPARATION ......................................................... 20
Special Service Tools ............................................. 20
Commercial Service Tools ...................................... 21
ENGINE CONTROL SYSTEM .................................. 22
System Diagram ..................................................... 22
Vacuum Hose Drawing ........................................... 23
System Chart ......................................................... 24
Multiport Fuel Injection (MFI) System .................... 25
Electronic Ignition (EI) System ............................... 27
Air Conditioning Cut Control ................................... 28
Fuel Cut Control (at No Load and High Engine
Speed) .................................................................... 28
CAN communication .............................................. 29
BASIC SERVICE PROCEDURE .............................. 30
Idle Speed and Ignition Timing Check .................... 30
Idle Speed/Ignition Timing/Idle Mixture Ratio
Adjustment ............................................................. 31
VIN Registration ..................................................... 42
Accelerator Pedal Released Position Learning ...... 42
Throttle Valve Closed Position Learning ................ 42
Idle Air Volume Learning ........................................ 43
Fuel Pressure Check .............................................. 45
ON BOARD DIAGNOSTIC (OBD) SYSTEM ............ 47
Introduction ............................................................ 47
Two Trip Detection Logic ........................................ 47
Emission-related Diagnostic Information ................ 48
NVIS (Nissan Vehicle Immobilizer System ? NATS)
... 63
Malfunction Indicator Lamp (MIL) ...........................63
OBD System Operation Chart ................................66
TROUBLE DIAGNOSIS ............................................ 72
Trouble Diagnosis Introduction ...............................72
DTC Inspection Priority Chart ................................. 75
Fail-safe Chart ........................................................77
Basic Inspection .....................................................78
Symptom Matrix Chart ............................................83
Engine Control Component Parts Location ............87
Circuit Diagram ....................................................... 93
ECM Harness Connector Terminal Layout .............95
ECM Terminals and Reference Value ..................... 95
CONSULT-II Function (ENGINE) ..........................103
Generic Scan Tool (GST) Function .......................116
CONSULT-II Reference Value in Data Monitor .....119
Major Sensor Reference Graph in Data Monitor
Mode .....................................................................123
TROUBLE DIAGNOSIS - SPECIFICATION VALUE .125
Description ............................................................125
Testing Condition ..................................................125
Inspection Procedure ............................................125
Diagnostic Procedure ...........................................126
TROUBLE DIAGNOSIS FOR INTERMITTENT INCI-
DENT .......................................................................129
Description ............................................................129
Diagnostic Procedure ...........................................129
POWER SUPPLY AND GROUND CIRCUIT ...........130
Wiring Diagram .....................................................130
Diagnostic Procedure ...........................................133
Ground Inspection ................................................138
DTC U1000, U1001 CAN COMMUNICATION LINE .139
Description ............................................................139
On Board Diagnosis Logic ....................................139
DTC Confirmation Procedure ...............................139
Wiring Diagram .....................................................140
Diagnostic Procedure ...........................................141
DTC P0011, P0021 IVT CONTROL ........................142
Description ............................................................142
CONSULT-II Reference Value in Data Monitor Mode
.142

Nissan 350Z Workshop Maunual 2004 (13) Summary of Content

EC-1ENGINE CONTROL SYSTEMB ENGINECONTENTSCDEFGHIJKLMSECTION ECAECRevision: 2004 December 2004.5 350ZENGINE CONTROL SYSTEMINDEX FOR DTC ........................................................ 8Alphabetical Index .................................................... 8DTC No. 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 .............................................................. 17Wiring Diagrams and Trouble Diagnosis ................ 19PREPARATION ......................................................... 20Special Service Tools ............................................. 20Commercial Service Tools ...................................... 21ENGINE CONTROL SYSTEM .................................. 22System Diagram ..................................................... 22Vacuum Hose Drawing ........................................... 23System Chart ......................................................... 24Multiport Fuel Injection (MFI) System .................... 25Electronic Ignition (EI) System ............................... 27Air Conditioning Cut Control ................................... 28Fuel Cut Control (at No Load and High Engine Speed) .................................................................... 28CAN communication .............................................. 29BASIC SERVICE PROCEDURE .............................. 30Idle Speed and Ignition Timing Check .................... 30Idle Speed/Ignition Timing/Idle Mixture Ratio Adjustment ............................................................. 31VIN Registration ..................................................... 42Accelerator Pedal Released Position Learning ...... 42Throttle Valve Closed Position Learning ................ 42Idle Air Volume Learning ........................................ 43Fuel Pressure Check .............................................. 45ON BOARD DIAGNOSTIC (OBD) SYSTEM ............ 47Introduction ............................................................ 47Two Trip Detection Logic ........................................ 47Emission-related Diagnostic Information ................ 48NVIS (Nissan Vehicle Immobilizer System NATS) ... 63Malfunction Indicator Lamp (MIL) ...........................63OBD System Operation Chart ................................66TROUBLE DIAGNOSIS ............................................ 72Trouble Diagnosis Introduction ...............................72DTC Inspection Priority Chart ................................. 75Fail-safe Chart ........................................................77Basic Inspection .....................................................78Symptom Matrix Chart ............................................83Engine Control Component Parts Location ............87Circuit Diagram ....................................................... 93ECM Harness Connector Terminal Layout .............95ECM Terminals and Reference Value ..................... 95CONSULT-II Function (ENGINE) ..........................103Generic Scan Tool (GST) Function .......................116CONSULT-II Reference Value in Data Monitor .....119Major Sensor Reference Graph in Data Monitor Mode .....................................................................123TROUBLE DIAGNOSIS - SPECIFICATION VALUE .125Description ............................................................125Testing Condition ..................................................125Inspection Procedure ............................................125Diagnostic Procedure ...........................................126TROUBLE DIAGNOSIS FOR INTERMITTENT INCI-DENT .......................................................................129Description ............................................................129Diagnostic Procedure ...........................................129POWER SUPPLY AND GROUND CIRCUIT ...........130Wiring Diagram .....................................................130Diagnostic Procedure ...........................................133Ground Inspection ................................................138DTC U1000, U1001 CAN COMMUNICATION LINE .139Description ............................................................139On Board Diagnosis Logic ....................................139DTC Confirmation Procedure ...............................139Wiring Diagram .....................................................140Diagnostic Procedure ...........................................141DTC P0011, P0021 IVT CONTROL ........................142Description ............................................................142CONSULT-II Reference Value in Data Monitor Mode .142