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F6A
Suzuki F6A User Manual
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147
CRANKING CIRCUIT
The cranking circuit consists of the battery
, starting
motor
, ignition switch, and related, electrical wiring.
These components are connected electrically as shown
in the
figure. Only the starting motor will be covered in
this section.
MANUF
ACTURER
NIPPONDENSO
OUTPUT
0.6 kW
148
150
Table of Contents
Index
2
Technical Instruction
5
Engine Control System and Micro Computer
5
Input Circuit
6
A/D Converter
6
Microcomputer
6
Output Circuit
6
Basic Functions of Engine Control System
7
Outline of Engine Control Functions Electronic Fuel Injection
7
Idle Speed Control (ISC)
7
Electronic Spark Advance (ESA) Control
7
System Configuration of each Control Function
8
Configuration of Engine Control System
9
Intake Air System
9
Ignition System
9
Control System
9
Air Intake System
10
Description of Intake System
11
Throttle Body
11
ISC Solenoid Valve
11
Fuel System
14
Fuel Pump Control
14
Fuel Pressure Control System
15
Pressure Regulator
15
Pulsation Damper
15
Fuel Injection Control System Injector
16
Drive Circuit of Injector
16
Injection Circuit Diagram
17
Fuel Injection Control System
18
Synchronous Injection
18
Injection at Engine Start
18
Injection after Engine Start
19
Asynchronous Injection
22
During Acceleration Injection
22
Base Air/Fuel Ratio Compensation
22
Fuel Cut
22
Ignition Signal System
25
Ignition Control System
26
Fixed Ignition
26
Soft Ignition Control
26
Periodic Maintenance
29
Alternator Belt Inspection
30
Valve Lash Inspection
30
Camshaft Timing Belt Replacement
31
Engine Oil Filter Change
31
Engine Oil Change
31
Proper Engine Oil Viscosity Chart
32
Engine Oil Capacity
32
Engine Coolant Change
32
Cooling System Hoses and Connections Inspection
33
Exhaust Pipes and Mountings Inspection
33
Spark Plugs Replacement
33
Spark Plug Specifications
33
Air Filter Element Cleaning and Replacement
34
Fuel Tank Cap, Lines and Connections Inspection
34
Wiring Harness and Connections
34
Trouble Shooting
35
Engine Mechanics
45
Summary
46
Engine Specifications
47
Engine Body
48
Cylinder Head/Valve Train
48
Cylinder Head Gasket
49
Cylinder Block
49
Crankshaft
50
Connecting Rods
50
Pistons/Piston Rings/Piston Pins
51
Timing Belt/Timing Pulley/Timing Belt Tensioner
52
Camshaft
53
Valves/Valve Springs
53
Valve Specifications
53
Lubrication System
54
Oil Pump
55
Intake System
56
Exhaust System
56
Engine Repair
57
Engine General Description
58
Engine Lubrication
59
Inspection of Engine Components
64
Rocker–Arm Shaft and Rocker Arms
66
Valve Guides
66
Valve Seats
68
Valve Seat Cutting
69
Valve Seat Angles for Exhaust Valve Seat
69
Applying Lapping Compound to Valve Face
69
Valve Springs
70
Connecting–Rod Big End Bearings
74
Crankshaft Journal Bearings
76
Oil Seals
77
Timing Belt and Timing Pulleys
77
Engine Reassembly
79
Oil Seal Housing
80
Piston, Piston Rings and Connecting Rod
81
Oil Pump Strainer
83
Oil Pan
83
Cylinder Head
83
Camshaft & Rocker–Arm Shaft
85
Intake Manifold and Carburetor
86
Water Pump
86
Engine Maintenance Service
89
Oil Filter
89
Exhaust Manifold and Cover
89
Crankshaft Pulley and Alternator
89
Compression Pressure Measurement
91
Oil Pump Discharge Pressure Measurement
91
Vacuum Measurement
92
Recommended Torque Specifications
94
Engine Control System
95
Control System Parts Layout Diagram
97
System Configuration Drawing
98
System Flowchart
99
System Wiring Diagram
100
Injectors
102
Fuel Filler Cap
102
ISC Valve
104
Input-Output System
105
Throttle Position Sensor (VTA)
105
Water Temperature Sensor (THW)
105
Pressure Sensor (PM)
106
O2 Sensor (OX)
106
Crank Angle Sensor (CAS)
107
Vehicle Speed Sensor (SPD)
107
Emission System
108
Information Decal
108
Fuel Vapor Gas Emission Prevention Device
108
Blow–By Gas Recovery Device
109
Ternary Catalyst Device
109
Fuel Injection Control
111
ICS Stepper Motor Control
113
Main Relay Control
114
Fuel Pump Relay Control
114
Diagnosis (Self-Diagnosis) Function
115
Code Display/Differentiation Method
115
Code Retrieval Procedure
116
Engine Removal
119
Ignition System
125
Ignition System General Description
126
Spark Plugs
127
Ignition Coil Test
127
Ignition Timing Adjustment Register
128
Ignition Timing Control
129
Engine Control Module (ECM)
129
Air Cleaner General Description
132
Fuel Pump, Filter and Lines General Description
133
Maintenance Services
133
Air Cleaner Element
133
Fuel Filter
134
Fuel Pump
135
Fuel Tank
136
Cooling System
137
Engine Cooling System
138
Radiator Cap
138
Component Removal
139
Water Reservoir Tank
139
Thermostat
139
Coolant Draining
140
Removal of Radiator Hoses
140
Alternator Belt
140
Radiator Removal
140
Important Steps for Reinstallation
142
Anti-Freeze Proportioning Chart
144
Coolant
144
Coolant Level
144
Coolant Capacity
144
Cooling System Service
145
Installation of Radiator Cap
145
Radiator Drain Plug
145
Cranking System
147
Cranking Circuit
149
Starting Motor
150
Starter Motor Inspection
153
Inspect Armature
153
Inspect Brushes
154
Ground Test
154
Open Circuit Test
154
Performance Test
155
No-Load Performance Test
155
Pull–In Test
155
Hold–In Test
155
Charging System
157
Alternator Description
158
Battery
158
Carrier and Holddown
159
Visual Inspection
159
Jump Starting
159
Alternator Belt Tension
160
Faulty Indicator Light Operation
161
Undercharged Battery
162
Speed Limiter
163
System Operation
164
Troubleshooting Hints
164
Control Module Voltage Measurements
164
Speed Limit Module
164
Speed Limiting Circuit
165
Chassis
167
Storage
168
Jacks, Jacking Locations and Using a Hoist
168
Chassis Lubrication Chart
168
Chassis Service and Maintenance
168
Chassis Maintenance Guide
169
Chassis Brake Fluid
169
Lubricating Brake Pedal Bushing
169
Brake Shoe Replacement
169
Rear Brake Adjustment
171
Master Cylinder
172
Brake Pedal Free Travel
172
Rear Brake Assembly
172
Rebuild Procedure for 1" Wheel Cylinders
173
Rebuild Procedure for Master Cylinder
173
Bleeding the Brakes
174
Troubleshooting Brake System
174
Steering Gear Disassembly
175
Steering Gear Reassembly
175
Steering Gear Backlash Adjustment
175
Fork Bearing Adjustment
177
Front Fork Disassembly
177
Front Fork Reassembly
177
Front Wheel Bearings
178
Rear Tire and Wheel Removal
179
Front Tire Removal
179
Transmission Automatic
181
Model A172 Specifications
183
Power Transmission Mechanism
184
Planetary Gear Unit
184
Clutch and Brake
184
Hydraulic Mechanism
189
Valve Body
189
Valves and Solenoids Pressure Regulator Valve
189
Locost Modulator Valve
189
Hydraulic Circuit
191
Reverse
196
Control Mechanism
197
Gearshift Control
197
At Controller
198
Input Signal
198
Vehicle Speed Signal
198
Shift Position Signal
198
Water Temperature Signal
199
Output Signals
199
Sensor Switches
199
Vehicle Speed Sensor
199
Diagnosis
200
Diagnostic Code Table
201
Other Mechanisms
202
Oil Cooler
202
Selector Lever
202
4
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Suzuki F6A Specifications
General
Brand
Suzuki
Model
F6A
Category
Engine
Language
English
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