2004 CADILLAC CTS ABS

Relays Usage
HORN RELAY
MICROHorn
HI BEAM
RELAY MICROHigh-Beam Headlamps
DRL RELAY
MICRO-OPTDaytime Running Lamps
LO BEAM
RELAY/HID
MINI-OPTLow-Beam HID Headlamps
HDLP WASH
RELAY MINI-OPTHeadlamp Washer Motor
SPARE Not Used
BLOWER
RELAY MINIFront Blower
FOG LAMP
RELAY MICROFog Lamps
MAIN RELAY
MICROPowertrain/ECM
STARTER
RELAY MINIStarter Solenoid
CMP CLU
RELAY MICROCompressor Clutch
IGN-1 RELAY
MICROIgnition Switch (ON)Wiring
HarnessesUsage
BODY W/H Wiring Harness Connection
I/P W/H Wiring Harness Connection
ENG W/H Engine Wiring Harness Connection
FORWARD
LAMPForward Lamp Wiring Harness
Connection
J Cases Usage
R REARRRPDB (Passenger’s Side Rear
Power Distribution Box)
R REARRRPDB (Passenger’s Side Rear
Power Distribution Box)
L REARLRPDB (Driver’s Side Rear Power
Distribution Box)
L REARLRPDB (Driver’s Side Rear Power
Distribution Box)
HI FAN High Cooling Fan Motor
LO FAN Low Cooling Fan Motor
BLOWER PWM Fan Motor Assembly
STARTER Starter Solenoid
ABS Anti-Lock Brake System
5-102

Rear Underseat Fuse Block
(Driver’s Side)
The driver’s side rear fuse block is located under the
rear seat on the driver’s side of the vehicle. The rear
seat cushion must be removed to access the rear
fuse block. See “Removing the Rear Seat Cushion”
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.
Relays Usage
BAS RELAY
MINIBrake Apply Sensor
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 Relays
TRK DR REL
SOL RELAY
MICROTrunk Release Motor
REV LAMP
RELAY MICROISRVM (Inside Rearview Mirror),
License Plate Lamp Assembly
5-107

Fuses 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
SPARE Not Used
REAR DR MOD Rear Door Modules
SPARE Not Used
DRIVER
DR MODDriver’s Door ModuleFuses Usage
BASTaillamps, Center High-Mounted
Stoplamp, Flasher Module,
ABS Module, Trailer Lamps
HDLP
LEVELINGHeadlamp Leveling System
Chassis Sensors (Export Only)
SPARE Not Used
CCP CCP (Climate Control Panel)
IGN 3Heated Seat Modules, Air Inlet
Motor, Shifter Assembly
J Cases Usage
AMP Audio Amplier
PUSHER FAN Pusher Fan (Export Only)
Circuit
BreakersUsage
SEAT C/BPower Seat Switches,
Memory Seat Module
5-108

Rear 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 “Removing the Rear Seat
Cushion” 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.
Relays Usage
RAP RELAY
MINIRetained Accessory Power
SPARE Not Used
REAR DEFOG
RELAY MINIRear Window Defogger
SPARE Not Used
AFTER BOIL
MICROAfterboil Heater Pump
INT LAMP
RELAY MICROHush Panel Lamps, Puddle Lamps,
Overhead Courtesy Lamp Assembly
IGN 1 RELAY
MICROIgnition Switch
REAR FOG
LAMP
RLY MICRORear Fog Lamps (Export Only)
FUEL PUMP
MOTOR
RLY MICROFuel Pump Motor
5-109

Fuses Usage
INTERIOR
LAMPHush Panel Lamps, Puddle Lamps,
Overhead Courtesy Lamp Assembly
PSGR DR MOD Right Front Passenger Door Module
RIM/IGN SWRIM (Rear Integration Module),
Ignition Switch, Key Lock Cylinder
REAR
FOG LAMPRear Fog Lamps (Export Only)
SPARE Not Used
TV/VICSTV Tuner Assembly (Export Only),
VICS (Vehicle Information
Communication System) Module
SPARE Not Used
TRUNK DIODE Trunk Lamp
POWER
SOUNDERPower Sounder, Inclination Sensor
SPARE Not Used
CANISTER
VENTCanister Vent Solenoid
FUEL
PUMP MTRFuel Pump MotorFuses Usage
AFTERBOIL Afterboil Heater Pump
R FRT HTD
SEAT MODPassenger’s Side Heated
Seat Module
SPARE Not Used
AIR BAG SDM (Sensing Diagnostic Module)
RIMISRVM (Inside Rearview Mirror),
Power Sounder, RIM, Passive
Trunk Release Sensor
ABS Anti-Lock Brake System
SPARE Not Used
J Cases Usage
REAR DEFOG Rear Window Defogger Element
SUNROOF MOD Power Sunroof Module
Circuit
BreakersUsage
DR MOD
PWR C/BDoor Modules
5-110

A
Accessing the DIC Main Menu
(Base Audio System)...................................3-66
Accessory Power Outlets.................................3-27
Activating Program Type (PTY) Stations
(RDS and XM™).......................................3-116
Adding Washer Fluid.......................................5-41
Additional Program Information........................... 7-9
Additives, Fuel................................................. 5-6
Add-On Electrical Equipment...........................5-100
Adjusting the Speakers (Balance/Fade).............3-113
Air Cleaner/Filter, Engine.................................5-24
Air Conditioning..............................................3-29
Airbag
Readiness Light..........................................3-42
Airbag Sensing and Diagnostic Module (SDM)......... 7-9
Airbag Systems..............................................1-48
Adding Equipment to Your
Airbag-Equipped Vehicle............................1-58
How Does an Airbag Restrain?......................1-55
Servicing Your Airbag-Equipped Vehicle..........1-58
What Makes an Airbag Inate?......................1-55
What Will You See After an Airbag Inates?......1-56
When Should an Airbag Inate?....................1-54
Where Are the Airbags?...............................1-50
AM .............................................................3-125Antenna, Diversity Antenna System..................3-127
Antenna, XM™ Satellite Radio
Antenna System........................................3-127
Anti-lock Brake System (ABS)............................ 4-6
Anti-Lock Brake, System Warning Light..............3-44
Anti-Pinch Feature..................................2-16, 2-53
Appearance Care............................................5-92
Care of Safety Belts....................................5-94
Chemical Paint Spotting...............................5-97
Cleaning the Inside of Your Vehicle................5-92
Cleaning the Outside of Your Vehicle..............5-95
Finish Damage............................................5-97
Sheet Metal Damage...................................5-97
Underbody Maintenance...............................5-97
Vehicle Care/Appearance Materials................5-98
Weatherstrips..............................................5-94
Ashtray.........................................................3-28
Ashtrays........................................................3-28
Assist Handles...............................................2-51
Audio System(s)............................................3-107
Audio Steering Wheel Controls....................3-124
Care of Your CD Player..............................3-126
Care of Your CDs......................................3-126
Diversity Antenna System............................3-127
Navigation/Radio System.............................3-124
Radio with CD...........................................3-108
Setting the Time........................................3-108
1