+FB

Supply voltage for foot brake pedal

+HB

Supply voltage for hand brake lever

+UB

Supply voltage of solenoid valves

+UZ

Supply voltage of control unit

COM1

Serial port 1

COM2

Serial port 2

dHSB

Relay for bus stop brake

DK

Lock-up clutch

DKM

Measuring coil for lockup clutch solenoid valve

dN

Speed switch relay

dNEUTR

Display for power linkup of engine-transmission

dR

Reversing light relay

dS

Relay for voltage supply of solenoid valves

dW

Relay for converter brake

ECU

Electronic Control Unit

EK

Input clutch

EKM

Measuring coil for input clutch solenoid valve

FB1

Foot brake pedal signal

FB2

Foot brake pedal signal

FB3

Foot brake pedal signal

FB-AUS

On/off switch for activating converter brake

HBA

Hand brake lever signal

HBB

Hand brake lever signal

HBC

Hand brake lever signal

MMR

Engine torque reduction

n1

Input speed

N1

Input speed sensor

n2

Output speed

N2

Output speed sensor

n3

Turbine speed

N3

Turbine speed sensor

PB

Pump brake

PBM

Measuring coil for pump brake solenoid valve

PU

Program selector at dashboard to select the desired shift program.

PWM

Pulse-width-modulated signal

RBG

Converter brake/reverse gear - large piston area

RBK

Converter brake / reverse gear small piston area

RBKM

Measuring coil for converter brake solenoid valve/ reverse gear - small piston area

REL

Abbreviation for relay

RS

Reverse gear locking button

S1

Gear selector switch locking key 1

S2

Gear selector switch locking key 2

S3

Gear selector switch locking key 3

SENSE

Common ground of measuring coil solenoid

SK

Overdrive clutch for 4-gear transmissions

SKM

Measuring coil for overdrive clutch solenoid valve for 4-gear transmissions

SSP

Start inhibit for gear selector switch output

SV

Solenoid valve

TB

Turbine brake

TBM

Measuring coil for turbine brake solenoid valve

TS

Gear selector

-UB

Ground connection

WP

Solenoid valve for converter outlet valve - uncontrolled pressure

WR

Solenoid valve for converter outlet valve - controlled pressure

ZW

Central warning light