2003 CADILLAC CTS fuses

6-63
Mini Fuses Usage
LT HI BEAM Driver's Side High
-Beam
Headlamp
LT LOW BEAM Driver's Side Low
-Beam
Headlamp
RT LOW BEAM Passenger's Side Low
-Beam
Headlamp
RT HI BEAM Passenger's Side High
-Beam
Headlamp
SPARE Not Used
SPARE Not Used
THEFT ECM (Electronic Control
Module), TCM (Transmission
Control Module), PASS
-Key III+
Module
LT PARK Driver's Side Taillamp Assembly,
Front Sidemarker and Front
Parking Lamp Assembly
LIC/DIMMING Rear License Plate
Assembly, DIMMini Fuses Usage
DIM/ALDL DIM, ALDL (Assembly Line
Data Link)
FLASHER Turn Signal/Hazard Flasher
Module
MANIFOLD Manifold Flaps 1 and 2, Air Mass
Meter, Canister Purge Valve
STRG CTLS Steering Wheel Control Pad,
Headlamp Switch
HTR
VLV/CLTCHHeater Valve, Clutch Switch
(Normal Closed), Clutch Switch
(Normal Open), Jumper to Start
Relay Coil for Automatic
Transmission
WASH NOZ Driver's and Passenger's Side
Heated Washer Nozzles
ECM Electronic Control Module
TCM/IPC TCM, ECM and IPC
(Instrument Panel Cluster)
SPARE Not Used
IGN MOD Front Bank Ignition Modules

6-64
Mini Fuses Usage
ELEC PRNDL Electronic PRNDL
TCC/ET TCC/ET Brake Switch (Extended
Travel), TCC/ET Brake Switch
(Cruise Disable)
STOP LP SW Stop Lamp Switch
IGN SW Ignition Switch (Power to IGN
-3
and CRANK)
VOLT CHECK DIM (Dash Integration Module)
ECM/TCM TCM (Transmission Control
Module), ECM (Electronic
Control Module), IPC (Instrument
Panel Cluster), PASS
-Key III+
Module
WPR MOD Windshield Wiper Module
Assembly
INJ Fuel Injectors
COMP
CLUTCHCompressor Clutch
WPR SW Windshield Wiper/Washer SwitchMini Fuses Usage
FOG LAMP Fog Lamps
OUTLET Center Console Accessory
Power Outlet
POST 02 Driver's and Passenger's Side
Oxygen Sensors, LRPDB
(Pusher Cooling Fan Relay)
I/P OUTLET Instrument Panel Accessory
Power Outlet
CCP Climate Control Panel
PRE 02 Driver's and Passenger's Side
Oxygen Sensors, Transmission
Output Speed Sensor
SPARE Not Used
SPARE Not Used
SPARE Not Used
Circuit
BreakersUsage
HDLP WASH
C/B
- OPTHeadlamp Washer Motor (Option)

6-68
Relays Usage
SPARE Not Used
SPARE Not Used
SPARE Not Used
PUSHER FAN Pusher Fan (Export Only)
L POSITION
RELAY MICRODriver's Side Position Lamp
R POSITION
RELAY MICROPassenger's Side Position Lamp
IGN 3 RELAY
MICROHeated Seat Modules, Air Inlet
Motor, Shifter Assembly
STANDING
LAMP RLY
MICROControl for Position Lamp RelaysRelays Usage
TRK DR REL
SOL RELAY
MICROTrunk Release Motor
REV LAMP
RELAY MICROISRVM (Inside Rearview Mirror),
License Plate Lamp Assembly
Minifuses Usage
L FRT HTD
SEAT MODDriver's Heated Seat Module
MEM/ADAPT
SEATDriver's Power Seat Switch,
Memory Seat Module
TRUNK DR
RELEASETrunk Release Motor
REVERSE
LAMPISRVM (Inside Rearview Mirror),
License Plate Lamp Assembly
SPARE Not Used
POSITION
LAMPTaillamp Assemblies, Front
Position Lamp Assemblies
SPARE Not Used
SPARE Not Used
AUDIO Radio, OnStar Module

6-69
Minifuses Usage
SPARE Not Used
REAR DR MOD Rear Door Modules
SPARE Not Used
DRIVER DR
MODDriver's Door Module
SPARE Not Used
HDLP
LEVELINGHeadlamp Leveling System
Chassis Sensors (Export Only)
EBCM EBCM (Electronic Brake
Control Module)
CCP CCP (Climate Control Panel)
IGN 3 Heated Seat Modules, Air Inlet
Motor, Shifter Assembly
J Cases Usage
AMP Audio Amplifier
PUSHER FAN Pusher Fan (Export Only)
Circuit
BreakersUsage
SEAT C/B Power Seat Switches, Memory
Seat ModuleRear Underseat Fuse Block (Passenger's Side)
The passenger's side rear fuse block is located under the
rear seat on the passenger's side of the vehicle. The rear
seat cushion must be removed to access the rear fuse
block. See ªRemoving the Rear Seat Cushionº
listed previously.
To access the fuse block, push in the two tabs located at
each end of the fuse block cover. Then lift the cover off.

6-70
Minifuses Usage
INTERIOR
LAMPHush Panel Lamps, Puddle
Lamps, Overhead Courtesy
Lamp Assembly
PSGR DR MOD Right Front Passenger
Door Module
RIM RIM (Rear Integration Module),
Ignition Switch, Key Lock
Cylinder
REAR
FOG LAMPRear Fog Lamps (Export Only)
SPARE Not Used
NAV TV Tuner Assembly (Export
Only), VICS (Vehicle Information
Communication System) ModuleMinifuses Usage
SPARE Not Used
SPARE Not Used
POWER
SOUNDERPower Sounder, Inclination Sensor
SPARE Not Used
TRUNK LAMP Trunk Lamp
FUEL
PUMP MTRFuel Pump Motor
AFTERBOIL Afterboil Heater Pump
R FRT HTD
SEAT MODPassenger's Side Heated
Seat Module
SPARE Not Used
SIR SDM (Sensing Diagnostic
Module)
RIM ISRVM (Inside Rearview Mirror),
Power Sounder, RIM, Passive
Trunk Release Sensor
CANISTER
VENTCanister Vent Solenoid
SPARE Not Used