INTRODUCTION ........................................................................................................................5

OPERATOR'S STATION..............................................................................................................7

MESSENGER.............................................................................................................................20

Messenger Main Menu .........................................................................................................20

Performance Menu Options..................................................................................................21

Totals Menu Options.............................................................................................................23

Settings Menu Options .........................................................................................................25

Service Menu Options ..........................................................................................................27

ECM ARCHITECTURE ............................................................................................................33

C11/C13 ACERTTM ENGINE.....................................................................................................35

Engine Electrical Block Diagram.........................................................................................37

Engine Speed/Timing Calibration Port.................................................................................43

Fuel System...........................................................................................................................44

Power Derate.........................................................................................................................49

Engine Idle Management......................................................................................................66

POWER TRAIN .........................................................................................................................67

Transmission/Chassis Electrical System ..............................................................................70

Power Train Hydraulic System.............................................................................................85

Transmission Modulation Valve - No Commanded Signal..................................................98

Transmission Modulation Valve - Commanded Signal Below Maximum...........................99

Transmission Modulation Valve - Commanded Signal At Maximum ...............................101

IMPLEMENT AND STEERING SYSTEM ............................................................................105

Implement Electrical System..............................................................................................107

Left Joystick Electronic Operation .....................................................................................110

Right Joystick Electronic Operation...................................................................................112

Steering Hydraulic System Operation ................................................................................127

Implement Hydraulic System Operation ............................................................................141

Variable Float Control (16M) .............................................................................................146

BRAKE AND FAN SYSTEM..................................................................................................149

Service Brake System.........................................................................................................149

Service Brake Valve Not Activated ....................................................................................153

Service Brake Valve Activated ...........................................................................................154

Brake and Fan System Hydraulic Operation......................................................................158

Parking Brake System.........................................................................................................164

Fan System..........................................................................................................................166