CONTENTS
1. TROUBLESHOOTING.................................................................................................................9-S1
2. SERVICING SPECIFICATIONS ..................................................................................................9-S9
3. TIGHTENING TORQUES..........................................................................................................9-S10
4. CHECKING AND ADJUSTING..................................................................................................9-S11
[1] BATTERY ............................................................................................................................9-S11
[2] ECU AND ELECTRONIC INSTRUMENT PANEL (INTELLIPANEL)...................................9-S14
(1) Main ECU ......................................................................................................................9-S14
(2) Engine ECU...................................................................................................................9-S14
(3) Electronic Instrument Panel...........................................................................................9-S15
[3] TESTING, SETTING AND ADJUSTING BY ELECTRONIC INSTRUMENT PANEL
(INTELLIPANEL) .................................................................................................................9-S15
(1) Mode Selection..............................................................................................................9-S16
(2) Mode "A" (Test Mode) ...................................................................................................9-S17
(3) Mode "B" (Traveling Speed Coefficient Input Mode) Input the 4 Digit Tire Code for
Correct Travel Speed to the Electronic Instrument Panel Memory Panel .....................9-S20
(4) Mode "C" (PTO Coefficient Number Input Mode) Input the Numeric Code Number
for PTO Speed into the Electronic Instrument Panel.....................................................9-S21
(5) Mode "D" (Error Information Reset Mode) Delete the Error Information from the
Electronic Instrument Panel...........................................................................................9-S22
(6) Mode "E" (GST Lever Sensor Fine-adjustment Mode) Setting the GST Lever's
Neutral Position with its Sensor.....................................................................................9-S23
(7) Mode "F" (GST Valve FIne-adjustment Mode) Setting the Function of Proportional
Reducing Valve .............................................................................................................9-S24
(8) Mode "G" (GST Shift Shock Fine-adjustment Mode) Adjusting the Clutch Engaging
Interval...........................................................................................................................9-S26
(9) Mode "J" (Speed Unit Selection Mode) Input the Traveling Speed Unit to the
Electronic Instrument Panel...........................................................................................9-S26
(10)Mode "K" (HST Pedal and Range Shift Lever Fine-adjustment Mode) .........................9-S27
(11)Mode "L" (Throttle Sensor Fine-adjustment Mode).......................................................9-S29
(12)Mode "M" (Mode for Factory) ........................................................................................9-S29
(13)Mode "N" (Tractor Model Select Mode).........................................................................9-S30
[4] ELECTRIC CONTROL SYSTEM ........................................................................................9-S32
[5] ECU CONTROL SYSTEM...................................................................................................9-S33
(1) Checking Fuse and Connector ......................................................................................9-S33
(2) Checking by Electronic Instrument Panel Connector ....................................................9-S36
(3) Unit Checking ................................................................................................................9-S38
(4) Checking by Main Electric Control Unit (Main ECU) .....................................................9-S39
(5) Checking by Engine Electric Control Unit (ECU)...........................................................9-S46
(6) Checking Sensor and Switch for Manual Transmission ................................................9-S48
(7) Checking Sensor and Switch for GST ...........................................................................9-S49
(8) Checking Sensor and Switch for HST ...........................................................................9-S53
[6] STARTING SYSTEM...........................................................................................................9-S60
(1) Main Switch (ROPS Type).............................................................................................9-S60
(2) Main Switch (CABIN Type)............................................................................................9-S61
(3) Safety Switch.................................................................................................................9-S62
(4) Starter............................................................................................................................9-S64
(5) Relays.........................................................................................................................
...9-S66
(6)
Engine ECU Power Relay, Glow Relay and Defogger Relay........................................9-S67
(7) Glow Control System.....................................................................................................9-S68
SERVICING