Yanmar Engine 3TNV82A-4TNV106T Electronic Control Troubleshooting Manual 50950006 – PDF DOWNLOAD

Description

Yanmar Engine 3TNV82A-4TNV106T Electronic Control Troubleshooting Manual 50950006 – PDF DOWNLOAD

DESCRIPTION:

Yanmar Engine 3TNV82A-4TNV106T Electronic Control Troubleshooting Manual 50950006 – PDF DOWNLOAD

Language : English
Pages : 234
Downloadable : Yes
File Type : PDF
Size: 9 MB

3TNV82A
3TNV82A-B
3TNV84
3TNV84T
3TNV84T-B
3TNV88
3TNV88-B
3TNV88-U
4TNV84
4TNV84T
4TNV84T-Z
4TNV88
4TNV88-B
4TNV88-U
4TNV94L
4TNV98
4TNV98-Z
4TNV98-E
4TNV98T
4TNV98T-Z
4TNV106
4TNV106T

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

Yanmar Engine 3TNV82A-4TNV106T Electronic Control Troubleshooting Manual 50950006 – PDF DOWNLOAD

Failure Diagnosis…………………………………………………………. 3
DTCs (Diagnostic Trouble Codes) General Description……………………….. 5
DTC Code List……………………………………………………… 5
Description Items………………………………………………….. 9
Analog Input Related Failures……………………………………….. 10
Rack position sensor……………………………………………. 10
Accelerator sensor……………………………………………… 14
Spare accelerator sensor (option)………………………………… 24
Atmospheric pressure sensor (option)……………………………… 36
ECU Temperature Sensor………………………………………….. 42
Cooling water temperature sensor…………………………………. 47
SENSOR 5V……………………………………………………… 55
Power supply Voltage……………………………………………. 58
Pulse Sensor Related Failures……………………………………….. 62
Speed Sensor…………………………………………………… 62
Spare speed sensor (option)……………………………………… 64
Engine rotational speed…………………………………………. 66
Contact Output Related Failures……………………………………… 68
Rack actuator Relay…………………………………………….. 68
Start Assist Relay……………………………………………… 74
CSD solenoid valve……………………………………………… 80
EGR valve……………………………………………………… 86
Contact Input Related Failures……………………………………….102
Oil Pressure Related Failures…………………………………….102
Battery Charge Related Failures…………………………………..106
Water Temperature Switch…………………………………………110
Air cleaner switch………………………………………………112
Oil-Water Separator Switch……………………………………….114
Actuators etc………………………………………………………116
Rack actuator…………………………………………………..116
Engine…………………………………………………………122
E-ECU Internal Errors……………………………………………124
CAN Communication……………………………………………….128
Immobilizer…………………………………………………….130
Method and Procedure of Failure Diagnosis…………………………………135
Description Items…………………………………………………..135
E-ECU Pin Layout Diagram…………………………………………136
How to use the 2G eco-checker harness……………………………..137
Analog Input Related Failures………………………………………..138
Rack position sensor…………………………………………….138
Accelerator sensor………………………………………………142
Foot pedal……………………………………………………..146
Spare Analog (Spare accelerator sensor, Atmospheric pressure sensor)….150
Pulse accelerator……………………………………………….154
ECU Temperature Sensor…………………………………………..156
Cooling water temperature sensor………………………………….158
<Characteristics of cooling water temperature sensor>……………….160
SENSOR 5V………………………………………………………162
Pulse Sensor Related Failures………………………………………..166
Speed Sensor……………………………………………………166
Spare speed sensor………………………………………………169
Contact Output Related Failures………………………………………172
RACK ACTUATOR RELAY……………………………………………..172
START ASSIST RELAY………………………………………………176
CSD Solenoid Valve Coil………………………………………….180
EGR valve………………………………………………………184
Contact Input Related Failures……………………………………….189
Actuator Related Failures……………………………………………195
Rack actuator…………………………………………………..195
ECU Internal and Communication Errors…………………………………199
ECU Internal Errors……………………………………………..199
Main relay……………………………………………………..201
CAN Communication……………………………………………….205
Immobilizer…………………………………………………….207
FAILURE INDICATOR LAMP FLASHING PATTERN……………………………….209
Using the Failure Indicator for Failure Diagnosis………………………….210
Flashing Patterns of the Failure Indicator…………………………….210
Factor Analysis………………………………………………………..212
2G-Type Eco-Governor Speed-Fluctuation Factor Analysis………………….212
Special Service Tools…………………………………………………..220
Troubleshooting By Measuring Compression Pressure………………………….221
Compression Pressure Measurement Method……………………………….221
Measured Value and Troubleshooting………………………………..224
Quick Reference Table For Troubleshooting…………………………………224
Failure Diagnostic List……………………………………………..225
Electrical Wiring………………………………………………………231

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