Wiring Diagram Codes

Use the Chart below to find out what each wiring diagram code stands for.

CODE WIRING DIAGRAM NAME
1STSIG A/T 1ST Signal
2NDSIG A/T 2ND Signal
3RDSIG A/T 3RD Signal
4THSIG A/T 4TH Signal
A/C Air Conditioner
AAC/V IACV-AAC Valve
ABS Anti-lock Brake System
AP/SEN Absolute Pressure Sensor
ASCD Automatic Speed Control Device (ASCD)
AT/C A/T Control
ATDIAG A/T Diagnosis Communication Line
AUDIO Audio
BA/FTS A/T Fluid Temperature Sensor and Transmission Control Module (TCM) power Supply
BACK/L Back-up Lamp
BYPS/V Vacuum Cut Valve Bypass Valve
CHARGE Charging System
CHIME Warning Chime
CIGAR Cigarette Lighter
CKPS Crankshaft Position Sensor (OBD)
CMPS Camshaft Position Sensor
COOL/F Cooling Fan Control
D/LOCK Power Door Lock
DEF Rear Window Defogger
DTRL Headlamp - With Daytime Light System
ECTS Engine Coolant Temperature Sensor
EGR/TS EGR Temperature Sensor
EGRC/V EGR Solenoid Valve
EGRC1 EGR Function
ENGSS Engine Speed Signal
F/FOG Front Fog Lamp
F/PUMP Fuel Pump
FICD IACV-FICD Solenoid Valve
FO2H-L Front Heated Oxygen Sensor (Front HO2S) Heater (Left Bank VG33E)
FO2H-R Front Heated Oxygen Sensor (Front HO2S) Heater (Right Bank VG33E)
FRO2 Front Heated Oxygen (Front HO2S) (Left Bank KA24DE)
FRO2/H Front Heated Oxygen (Front HO2S) Sensor (Left Bank KA24DE)
FRO2LH Front Heated Oxygen Sensor (Left Bank) (VG33E)
FRO2RH Front Heated Oxygen Sensor (Right Bank) (VG33E)
FTS A/T Fluid Temperature Sensor
FUEL Fuel Injection System Function (KA24DE)
FUELLH Fuel Injection System Function (Left Bank) (VG33E)
FUELRH Fuel Injection System Function (Right Bank) (VG33E)
H/LAMP Headlamp
HORN Horn
IATS Intake Air Temperature Sensor
IGN/SG Ignition Signal
ILL Illumination
INJECT Injector
KS Knock Sensor
LPSV Line Pressure Solenoid Valve
MAFS Mass Air Flow Sensor
MAIN Main Power Supply and Ground Circuit
METER Speedometer, Tachometer, Temp., Oil and Fuel Gauges
MIL/DL MIL & Data Link Connector
MIRROR Power Door Mirror
MULTI Multi-remote Control System
NONDTC Non-detectable Items
OVRCSV Overrun Clutch Solenoid Valve
PGC/V EVAP Canister Purge Volume Control Valve
PNP/SW Park/Neutral Position Switch
POWER Power Supply Routing
PRE/SE EVAP Control System Pressure Sensor
PST/SW Power Steering Oil Pressure Switch
RO2H-L Rear Heated Oxygen Sensor (Rear HO2S) Heater (Left Bank) (VG33E)
RO2H-R Rear Heated Oxygen Sensor (Rear HO2S) Heater (Right Bank) (VG33E)
ROOM/L Interior Room Lamp
RRO2 Rear Heated Oxygen Sensor (Rear HO2S) (KA24DE)
RRO2/H Rear Heated Oxygen Sensor (Rear HO2S) Heater (KA24DE)
RRO2LH Rear Heated Oxygen Sensor (Rear HO2S) (Left Bank)
RRO2RH Rear Heated Oxygen Sensor (Rear HO2S) (Right Bank)
S/SIG Start Signal
SHIFT A/T, Shift Lock System
SRS Supplemental Restraint System
SSV/A Shift Solenoid Valve A
SSV/B Shift Solenoid Valve B
START Starting System
STOP/L Stop lamp
SW/V MAP/BARO Switch Solenoid Valve
T/TOW Trailer Tow
TAIL/L Parking, License and Tail Lamps
TCCSIG A/T TCC Signal (Lock Up)
TCV Torque Converter Clutch Solenoid Valve
TFTS Tank Fuel Temperature Sensor
THEFT Theft Warning System
TP/SW Throttle Position Switch
TPS Throttle Position Sensor
TURN Turn Signal and Hazard Warning Lamps
VENT/V EVAP Canister Vent Control Valve
VSS Vehicle Speed Sensor
VSSAT Vehicle Speed Sensor A/T (Revolution Sensor)
VSSMTR Vehicle Speed Sensor MTR
WARN Warning Lamps
WINDOW Power Window
WIP/R Rear Wiper and Washer
WIPER Front Wiper and Washer