Manual de nissan santra 2005

B ENGINE
CONTENTS
C
D
E
F
G
H
I
J
K
L
M
SECTION
A
EC
Revision: July 2004 2005 Sentra
QG18DE
INDEX FOR DTC ..................................................... 15
DTC No. Index ...................................................... 15
Alphabetical Index ................................................. 17
PRECAUTIONS ....................................................... 21Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TENSIONER”
............................................................... 21
On Board Diagnostic (OBD) System of Engine and
A/T ......................................................................... 21
Precaution ............................................................. 21
Wiring Diagrams and TroubleDiagnosis ............... 24
PREPARATION ........................................................ 25
Special Service Tools ............................................ 25
Commercial Service Tools ..................................... 26
ENGINE CONTROL SYSTEM ................................. 27
System Diagram .................................................... 27
Multiport Fuel Injection(MFI) System ................... 28
Electronic Ignition (EI) System .............................. 30
Fuel Cut Control (at No Load and High Engine
Speed) ................................................................... 31
AIR CONDITIONING CUT CONTROL .................... 32
Input/output Signal Chart ...................................... 32
System Description............................................... 32
AUTOMATIC SPEED CONTROL DEVICE (ASCD).. . 33
System Description ............................................... 33
Component Description ......................................... 34
CAN COMMUNICATION ......................................... 35
System Description ............................................... 35
EVAPORATIVE EMISSION SYSTEM ...................... 36Description ............................................................ 36
Component Inspection .......................................... 39
Removal and Installation ....................................... 40
How to Detect Fuel Vapor Leakage ...................... 40
ON BOARD REFUELING VAPOR RECOVERY
(ORVR) ..................................................................... 43
SystemDescription ............................................... 43
Diagnostic Procedure ............................................ 44
Component Inspection .......................................... 47
POSITIVE CRANKCASE VENTILATION ................ 49
Description ............................................................. 49
Component Inspection ........................................... 49NVIS (NISSAN VEHICLE IMMOBILIZER SYSTEMNATS)
....................................................................... 50
Description ............................................................. 50
ON BOARD DIAGNOSTIC (OBD) SYSTEM ........... 51
Introduction ............................................................ 51
Two Trip Detection Logic ....................................... 51Emission-related Diagnostic Information ............... 52
Malfunction Indicator Lamp (MIL) .......................... 65
OBD System Operation Chart ............................... 68
BASIC SERVICE PROCEDURE .............................. 74
Basic Inspection .................................................... 74
Idle Speed and Ignition Timing Check ................... 79
Idle Mixture RatioAdjustment ................................ 80
VIN Registration .................................................... 91
Accelerator Pedal Released Position Learning ..... 92
Throttle Valve Closed Position Learning ................ 92
Idle Air Volume Learning ....................................... 92
Fuel Pressure Check ............................................. 94
TROUBLE DIAGNOSIS...