Nissan Silvia. Instruction — part 121
Clutch Control System
NMCL0028
Type of clutch control
Hydraulic
Clutch Master Cylinder
NMCL0021
Inner diameter
15.87 mm (5/8 in)
Clutch Operating Cylinder
NMCL0022
Inner diameter
19.05 mm (3/4 in)
Clutch Disc
NMCL0023
Unit: mm (in)
Model
240
Facing size
(Outer dia. x inner dia. x thickness)
240 x 160 x 3.5
(9.45 x 6.30 x 0.138)
Thickness of disc assembly
With load
7.9 - 8.3 (0.311 - 0.327)
with 4,903 N (500 kg, 1,102 lb)
Wear limit of facing surface to rivet head
0.3 (0.012)
Runout limit of facing
1.0 (0.039)
Distance of runout check point (from hub center)
115 (4.53)
Maximum backlash of spline (at outer edge of disc)
1.0 (0.039)
Clutch Cover
NMCL0024
Unit: mm (in)
Model
240
Set-load
6,227 N (635 kg, 1,400 lb)
Diaphragm spring height
37.5 - 39.5 (1.476 - 1.555)
Uneven limit of diaphragm spring toe height
0.7 (0.028)
Clutch Pedal
NMCL0025
Unit: mm (in)
Pedal height “H”*
191 - 201 (7.52 - 7.91)
Pedal free play “A” (at pedal pad)
9 - 16 (0.35 - 0.63)
*: Measured from surface of dash lower panel to pedal pad.
GI
MA
EM
LC
EC
FE
MT
AT
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
SERVICE DATA AND SPECIFICATIONS (SDS)
Clutch Control System
CL-17
NOTES
ENGINE CONTROL SYSTEM
CONTENTS
TROUBLE DIAGNOSIS - INDEX . . . . . . . . . 4
Alphabetical & P No. Index for DTC . . . . . . ...4
PRECAUTIONS . . . . . . . . . . . . . . . ...6
Supplemental Restraint System (SRS)
. . . . . . . . . . . . . . . . . . . 6
Precautions for On Board Diagnostic (OBD)
System of Engine . . . . . . . . . . . . . . 6
Engine Fuel & Emission Control System . . . . . 7
Wiring Diagrams and Trouble Diagnosis. . . . . .9
PREPARATION . . . . . . . . . . . . . . . .10
Special Service Tools . . . . . . . . . . . . 10
Commercial Service Tools . . . . . . . . . . .10
ENGINE AND EMISSION CONTROL OVERALL
SYSTEM. . . . . . . . . . . . . . . . . . . 11
Engine Control Component Parts Location. . . ... 11
Circuit Diagram . . . . . . . . . . . . . . ..14
System Diagram . . . . . . . . . . . . . . 15
Vacuum Hose Drawing . . . . . . . . . . . ..16
System Chart . . . . . . . . . . . . . . . .17
ENGINE AND EMISSION BASIC CONTROL
SYSTEM DESCRIPTION . . . . . . . . . . . ...18
Multiport Fuel Injection (MFI) System . . . . . ...18
Electronic Ignition (EI) System . . . . . . . . ..20
Air Conditioning Cut Control. . . . . . . . . ..21
Fuel Cut Control (at no load & high engine
speed) . . . . . . . . . . . . . . . . . . 22
Evaporative Emission System . . . . . . . . ...22
Positive Crankcase Ventilation . . . . . . . . ..25
BASIC SERVICE PROCEDURE . . . . . . . . ...27
Fuel Pressure Release . . . . . . . . . . . ..27
Fuel Pressure Check . . . . . . . . . . . . .27
Fuel Pressure Regulator Check . . . . . . . . 28
Injector . . . . . . . . . . . . . . . . . ...28
Fast Idle Cam (FIC). . . . . . . . . . . . ...29
How to Check Idle Speed and Ignition Timing. . ..30
ON BOARD DIAGNOSTIC SYSTEM
DESCRIPTION . . . . . . . . . . . . . . . ...33
Introduction . . . . . . . . . . . . . . . . 33
Diagnostic Trouble Code (DTC) . . . . . . . . 33
Malfunction Indicator Lamp (MIL). . . . . . . ..35
CONSULT-II . . . . . . . . . . . . . . . ...39
TROUBLE DIAGNOSIS - INTRODUCTION. . . . ..46
Introduction . . . . . . . . . . . . . . . . 46
Work Flow. . . . . . . . . . . . . . . . ..48
TROUBLE DIAGNOSIS - BASIC INSPECTION . . ...50
Basic Inspection. . . . . . . . . . . . . . .50
TROUBLE DIAGNOSIS - GENERAL
DESCRIPTION . . . . . . . . . . . . . . . ...67
Fail-safe Chart . . . . . . . . . . . . . . ...67
Symptom Matrix Chart. . . . . . . . . . . ...68
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . ..72
Major Sensor Reference Graph in Data Monitor
Mode . . . . . . . . . . . . . . . . . . ..74
ECM Terminals and Reference Value . . . . . ...76
TROUBLE DIAGNOSIS FOR INTERMITTENT
INCIDENT. . . . . . . . . . . . . . . . . ...82
Description . . . . . . . . . . . . . . . . .82
Diagnostic Procedure . . . . . . . . . . . . 82
TROUBLE DIAGNOSIS FOR POWER SUPPLY. . ..83
Main Power Supply and Ground Circuit. . . . . 83
DTC 0101 CAMSHAFT POSITION SENSOR
(CMPS). . . . . . . . . . . . . . . . . . ...90
Component Description . . . . . . . . . . . .90
ECM Terminals and Reference Value . . . . . ...90
On Board Diagnosis Logic. . . . . . . . . . .91
DTC Confirmation Procedure . . . . . . . . . 91
Wiring Diagram . . . . . . . . . . . . . . ..93
Diagnostic Procedure . . . . . . . . . . . . 94
Component Inspection. . . . . . . . . . . ...97
DTC 0102 MASS AIR FLOW SENSOR (MAFS) . . ..98
Component Description . . . . . . . . . . . .98
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . ..98
ECM Terminals and Reference Value . . . . . ...98
On Board Diagnosis Logic. . . . . . . . . . .98
Fail-safe Mode . . . . . . . . . . . . . . ...99
DTC Confirmation Procedure . . . . . . . . . 99
GI
MA
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MT
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PD
AX
SU
BR
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BT
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EL
IDX
Wiring Diagram . . . . . . . . . . . . . . 101
Diagnostic Procedure . . . . . . . . . . . ..102
Component Inspection. . . . . . . . . . . .104
DTC 0103 ENGINE COOLANT TEMPERATURE
SENSOR (ECTS) (CIRCUIT) . . . . . . . . . ...105
Component Description . . . . . . . . . . ...105
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 105
On Board Diagnosis Logic. . . . . . . . . ...105
Fail-safe Mode . . . . . . . . . . . . . . .106
DTC Confirmation Procedure . . . . . . . . ..106
Wiring Diagram . . . . . . . . . . . . . . 107
Diagnostic Procedure . . . . . . . . . . . ..108
Component Inspection. . . . . . . . . . . .109
DTC 0201 IGNITION SIGNAL . . . . . . . . . . 110
Component Description . . . . . . . . . . ... 110
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 110
ECM Terminals and Reference Value . . . . . . 110
On Board Diagnosis Logic. . . . . . . . . ... 111
DTC Confirmation Procedure . . . . . . . . .. 111
Wiring Diagram . . . . . . . . . . . . . . 112
Diagnostic Procedure . . . . . . . . . . . .. 114
Component Inspection. . . . . . . . . . . . 119
DTC 0208 OVERHEAT (COOLING SYSTEM) . . ...120
System Description. . . . . . . . . . . . ..120
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 120
ECM Terminals and Reference Value . . . . . .120
On Board Diagnosis Logic. . . . . . . . . ...121
Overall Function Check . . . . . . . . . . ...122
Wiring Diagram . . . . . . . . . . . . . . 123
Diagnostic Procedure . . . . . . . . . . . ..124
Main 12 Causes of Overheating. . . . . . . ..135
Component Inspection. . . . . . . . . . . .135
DTC 0304 KNOCK SENSOR (KS). . . . . . . ..137
Component Description . . . . . . . . . . ...137
ECM Terminals and Reference Value . . . . . .137
On Board Diagnosis Logic. . . . . . . . . ...137
DTC Confirmation Procedure . . . . . . . . ..137
Wiring Diagram . . . . . . . . . . . . . . 138
Diagnostic Procedure . . . . . . . . . . . ..139
Component Inspection. . . . . . . . . . . .140
DTC 0403 THROTTLE POSITION SENSOR. . . ..141
Component Description . . . . . . . . . . ...141
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 141
ECM Terminals and Reference Value . . . . . .142
On Board Diagnosis Logic. . . . . . . . . ...142
Fail-safe Mode . . . . . . . . . . . . . . .142
DTC Confirmation Procedure . . . . . . . . ..142
Wiring Diagram . . . . . . . . . . . . . . 144
Diagnostic Procedure . . . . . . . . . . . ..145
Component Inspection. . . . . . . . . . . .146
DTC 0504 A/T CONTROL . . . . . . . . . . ...148
System Description. . . . . . . . . . . . ..148
ECM Terminals and Reference Value . . . . . .148
On Board Diagnosis Logic. . . . . . . . . ...148
DTC Confirmation Procedure . . . . . . . . ..148
Overall Function Check . . . . . . . . . . ...149
Wiring Diagram . . . . . . . . . . . . . . 150
Diagnostic Procedure . . . . . . . . . . . ..151
HEATED OXYGEN SENSOR 1 (FRONT). . . . ...152
Component Description . . . . . . . . . . ...152
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 152
ECM Terminals and Reference Value . . . . . .152
Wiring Diagram . . . . . . . . . . . . . . 153
Diagnostic Procedure . . . . . . . . . . . ..154
Component Inspection. . . . . . . . . . . .156
HEATED OXYGEN SENSOR 1 HEATER (FRONT)...158
Description . . . . . . . . . . . . . . . ...158
ECM Terminals and Reference Value . . . . . .158
Wiring Diagram . . . . . . . . . . . . . . 159
Diagnostic Procedure . . . . . . . . . . . ..160
Component Inspection. . . . . . . . . . . .161
VEHICLE SPEED SENSOR (VSS). . . . . . . ..162
Component Description . . . . . . . . . . ...162
ECM Terminals and Reference Value . . . . . .162
Wiring Diagram . . . . . . . . . . . . . . 163
Diagnostic Procedure . . . . . . . . . . . ..164
IDLE AIR CONTROL VALVE (IACV) - AUXILIARY
AIR CONTROL (AAC) VALVE . . . . . . . . . 166
Description . . . . . . . . . . . . . . . ...166
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 166
ECM Terminals and Reference Value . . . . . .167
Wiring Diagram . . . . . . . . . . . . . . 168
Diagnostic Procedure . . . . . . . . . . . ..169
Component Inspection. . . . . . . . . . . .172
INTAKE VALVE TIMING CONTROL SOLENOID
VALVE. . . . . . . . . . . . . . . . . . ..173
Component Description . . . . . . . . . . ...173
Operation . . . . . . . . . . . . . . . . .173
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 174
ECM Terminals and Reference Value . . . . . .174
Wiring Diagram . . . . . . . . . . . . . . 175
Diagnostic Procedure . . . . . . . . . . . ..176
Component Inspection. . . . . . . . . . . .178
WASTEGATE VALVE CONTROL SOLENOID
VALVE. . . . . . . . . . . . . . . . . . ..179
Description . . . . . . . . . . . . . . . ...179
CONTENTS
(Cont’d)
EC-2
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