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HYUNDAI YANMAR TNV ELECTRONIC CONTROL MANUAL

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HYUNDAI YANMAR ELECTRONIC CONTROL MANUAL
FOR EPA TIER3
3TNV84T-Z
4TNV84T-Z
4TNV98T-Z
4TNV98-Z(R80-7A)
4TNV98-E(R55-7A,R55W-7A)
OPTION
3TNV82A-Z
3TNV88-Z, 3TNV88-E
3TNV88-Z, 4TNV88-E

FOUND IN HYUNDAI MINI-EXCAVATOR(58TON, -7A SERIES)

SPECIFICATIONS
Specifications ……………………………………………………………………….. 1-3
Outline ……………………………………………………………………………….. 1-13
CONTROL SYSTEM
Precautions on the use of electronic control components……………. 2-3
Engine control unit……………………………………………………………. 2-3
Fuel injection pump ………………………………………………………….. 2-4
EGR valve ………………………………………………………………………. 2-5
Accelerator sensor……………………………………………………………. 2-5
Relay ……………………………………………………………………………… 2-6
Service tool……………………………………………………………………… 2-6
Control scheme …………………………………………………………………….. 2-7
System outline…………………………………………………………………. 2-7
E-ECU ………………………………………………………………………….. 2-10
Electrical parts ……………………………………………………………….. 2-19
Harness ……………………………………………………………………………… 2-24
Harness design requirements…………………………………………… 2-24
Harness clamping…………………………………………………………… 2-25
CAN bus termination ………………………………………………………. 2-26
Control functions …………………………………………………………………. 2-27
Control software …………………………………………………………….. 2-27
General…………………………………………………………………………. 2-29
Engine control – General………………………………………………….. 2-36
Application interface outline……………………………………………… 2-43
Fuel injection pump ……………………………………………………………… 2-66
EGR valve ………………………………………………………………………….. 2-67
Accelerator sensor ………………………………………………………………. 2-68
Main relay…………………………………………………………………………… 2-70
Rack actuator relay ……………………………………………………………… 2-70
CONTENTS
Sub relay ……………………………………………………………………………. 2-71
Starter relay………………………………………………………………………… 2-71
Starting aid relay …………………………………………………………………. 2-73
For 400 W air heater (glow plug)………………………………………. 2-73
For 500/800 W air heater ………………………………………………… 2-74
For 1000 W air heater …………………………………………………….. 2-74
Coolant temperature sensors………………………………………………… 2-75

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