Wiring Diagram Codes (Cell Codes)

Use the chart 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 Circuit
A/T Control Unit 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)
COOL/F Cooling Fan Control
CORNER Cornering Lamp
CMPS Camshaft Position Sensor
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 EGRC-Solenoid Valve
EGRC1 EGR Function
ENGSS Engine Speed Signal
F/FOG Front Fog Lamp
F/PUMP Fuel Pump Control
FICD IACV-FICD Solenoid Valve
FRO2 Front Heated Oxygen Sensor
FRO2/H Front Heated Oxygen Sensor Heater
FTS A/T Fluid Temperature Sensor
FUEL Fuel Injection System Function
H/LAMP Headlamp
HEATER Heated System
HORN Horn
IATS Intake Air Temperature Sensor
IGN/SG Ignition Signal
ILL Illumination
INJECT Injector
INT/L Spot, Trunk Room and Vanity Mirror Lamp
KS Knock Sensor
LOAD Load Signal
LPSV Line Pressure Solenoid Valve
MAFS Mass Air Flow Sensor
MAIN Main Power Supply and Ground Circuit
METER Meter and Gauges
MIL/DL MIL and Data Link Connectors
MIRROR 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
ROOM/L Interior Room Lamp
RRO2 Rear Heated Oxygen Sensor
RRO2/H Rear Heated Oxygen Sensor Heater
S/SIG Start Signal
SEAT Power Seat
SHIFT A/T Shift Lock System
SROOF Sunroof
SRS Supplemental Restraint System
SSV/A Shift Solenoid A
SSV/B Shift Solenoid B
START Starting System
STOP/L Stop Lamp
SW/V MAP/BARO Switch Solenoid Valve
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
VSSA/T Vehicle Speed Sensor A/T (Revolution Sensor)
VSSMTR Vehicle Speed Sensor MTR
WARN Warning Lamps
WINDOW Power Window
WIPER Front Wiper and Washer