Abbreviation Symbols

ABBREVIATION SYMBOLS

The abbreviation symbols used in wiring diagrams are defined below.


1. FOR SYSTEM NAME

 

Abbreviation symbol
Meaning
Abbreviation symbol
Meaning
ABS Anti-skid braking system EPS Electric power steering system warning lamp
ASC Active stability control system J/B Junction block
CAN Controller area network J/C Joint connector
DRL Daytime running lamp SRS Supplemental restraint system

2. FOR COMBINATION METER

 

Abbreviation symbol
Meaning
Abbreviation symbol
Meaning
ABS Anti-skid braking system warning lamp LCD Liquid crystal display
ASC Active stability control system indicator lamp POWER DOWN Power down warning lamp
ASC OFF Active stability control system off indicator lamp POWER UNIT Electric motor unit warning lamp
BATTERY Auxiliary battery charging warning lamp READY Ready indicator lamp
BEAM High beam indicator lamp REAR FOG Rear fog lamp indicator lamp
BRAKE Brake warning lamp REAR SEAT BELT (LH) Rear seat belt warning lamp/warning display
CHARGE Charging warning lamp REAR SEAT BELT (RH)
DOOR Door-ajar warning lamp SRS Supplemental restraint system warning lamp
EPS Electric power steering system warning lamp TAIL Tail lamp indicator lamp
FRONT FOG Front fog lamp indicator lamp TURN (LH) Turn-signal indicator lamp, hazard warning indicator lamp
FRONT SEAT BELT Front seat belt warning lamp/warning display TURN (RH)

3. FOR SWITCHES AND RELAYS

 

Name of switches and relays
Abbreviation symbol
Operation
Dimmer and passing switch LO Low beam ON
HI High beam ON
PASS High beam ON
Door lock actuator, door lock switch LOCK Door lock
UNLOCK Door unlock
Electric motor switch LOCK When turned to the LOCK position, no circuits will start
ACC When turned to the ACC (ACCESSORY) or ON position, the power circuit will start
ON Even when at the ST (START) position, the power circuit will start
ST Only when turned to the ST (START) position, the power circuit will start
Front room lamp and rear room lamp DOOR Front room lamp ON and rear room lamp ON when a door is open
Headlamp levelling switch 0, 1, 2, 3, 4 Lower the optical axis of the headlamp (LO) in steps at each position
Lighting switch AUTO Headlamps or tail lamps automatically illuminate by sensing ambient brightness
HEAD Headlamps ON
TAIL Tail, position, licence plate and illumination lamps ON
Others (switch or relay) ON Switched ON or relay ON
OFF Switched OFF or relay OFF
Power window switch UP Window closes
DOWN Window opens
AUTO DOWN Window easily opens with one action
Power window lock switch LOCK Prevents all switches other than the main switch from operating the power windows
UNLOCK Every switch can open or close the respective window
Rear wiper switch INT Wiper operates intermittently
Remote controlled mirror switch LH LH mirror operates
RH RH mirror operates
Shift position switch P Selector lever is at the P (PARKING) position
R Selector lever is at the R (REVERSE) position
N Selector lever is at the N (NEUTRAL) position
D Selector lever is at the D (DRIVE) position
B Selector lever is at the B (REGENERATIVE BRAKE) position
C Selector lever is at the C (COMFORT) position
Turn-signal switch LH LH turn-signal lamps ON
RH RH turn-signal lamps ON
Windshield intermittent wiper interval adjusting knob SLOW Lengthen pause time for intermittent operation
FAST Shorten pause time for intermittent operation
Windshield wiper switch MIST Wiper operates once
INT Wiper operates intermittently
LO Wiper operates at low speed
HI Wiper operates at high speed
Windshield wiper speed switching relay LO Wiper operates at low speed
HI Wiper operates at high speed

4. FOR OTHERS

 

Abbreviation symbol
Meaning
Abbreviation symbol
Meaning
A/C Air conditioner FET Field-effect transistor
BAT Battery GND Earthing
BMU Battery management unit HI High
CD Compact disk IC Integrated circuit
CMU Cell monitoring unit ILL Illumination lamp
CPU Central processing unit IND Indicator lamp
DC Direct current LH Left hand
ECU Electronic control unit LIN Local interconnect network
ETACS Electronic time and alarm control system LO Low
EV Electric vehicle RH Right hand

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