SLK 230 (170.447) L4-2.3L SC (111.973) (2000)
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TDC
Top Dead Center
TELE
Telescoping
TIC
Transistorized Ignition Control
TK
Door contact
TN
Engine RPM signal (unmodified)
TN
Speed signal (EZL/AKR)
TNA
Engine RPM signal (re-formed)
TQ
TurQuoise
TRAP
TRAP oxidizer
TRU
Transmit-Receive Unit
TVV
Tank vent valve
TWC
Three Way Catalytic converter
TX
Transmit
ULLKS
Idle speed contact (+ side)
USK
Safety contact +
VAF
Volume Air Flow
VL
Left front
VR
Right front
VSS
Vehicle Speed Signal
VT
VioleT
WA
Memory recall (resume)
WH
WHite
WOT
Wide Open Throttle (full load)
YE
YEllow
-
Minus
+
Plus
12 VDC
Battery voltage or regulator voltage when engine is running
15
Swtiched battery power, hot in positions 2 & 3
15C
Switched battery voltage, hot until key is removed
15DIA
15g
Switched battery voltage, fused
15R
witched battery voltage, hot in positions 1, 2 & 3
15u
Switched battery voltage, unfused
15X
Switched battery voltage, hot in position 2
15Z
Switched battery voltage, hot in positions 2 & 3
30
Unswitched battery power
30a
Unswitched battery voltage
30A
Unswitched battery voltage, 'A' side
30B
Unswitched battery voltage, 'B' side
30E
Unswitched battery voltage, for electronics
30Z
Switched battery voltage, hot in positions 2 & 3
31
Ground
31e
Ground for electronics
49
Flasher signal
49a
Pulsed flasher signal
50
Starter solenoid signal
53
Wiper speed low
53b
Wiper speed high
54
Brake light signal
54
Brake lamp circuit
56
Tail/parking lamp circuit
56a
High beam circuit
56b
Low beam circuit
58
General lighting circuit
58d
Instrument illumination
58k
Instrument illumination, unprocessed
61
Generator 'running' signal
61e
Generator 'running' signal
81
Reverse gear signal
81a
Reverse gear signal (after transmission switch)
85
Relay control signal
85EDC
IFI relay control
85EDC
Relay control signal, Electronic Diesel Control
85F
Horn relay control
85LP
Air pump relay control
86
Relay control signal
