Cadillac CTS mk2 (Second Generation; 2009) – fuse box diagram

Cadillac CTS mk2 (Second Generation; 2009) – fuse box diagram

Year of production: 2009

Underhood Fuse Block (CTS)

The underhood fuse block is located on the passenger side of the engine compartment.

Cadillac CTS mk2 - fuse box - engine compartment (CTS)
Cadillac CTS mk2 – fuse box – engine compartment (CTS)
Fuses Usage
A/C CLTCH Air Conditioning Clutch
ABS Antilock Braking System (ABS)
AFS Adaptive Forward Lighting System
AIRBAG IGN Airbag Switch
AWD All-Wheel Drive
BCM 1 Body Control Module 1
BCM 2 Body Control Module 2
BCM 3 Body Control Module 3
BCM 4 Body Control Module 4
BCM 5 Body Control Module 5
SPARE Spare
BCM 6, BCM 7 Body Control Module 6 and 7
DISPLY Display
DRL RT Right Daytime Running Lamp (DRL)
DRL/WSW Daytime Running Lamps/Windshield Washer Pump
ECM Engine Control Module (ECM)
ECM/TCM IGN ECM, Transmission Control Module (TCM), Instrument Panel
Cluster (IPC), PASS-Key III+ Module
EMIS 1 Emission 1
EMIS 2 Emission 2
EVEN COILS Even Coils
FRT FOG Front Fog Lamps
HORN Horn
LO BEAM DRL LEFT Low-Beam Daytime Running Lamps (Left)
LT HI BEAM Left High-Beam Headlamp
LT LO BEAM Left Low-Beam Headlamp
DRL/LT LO BEAM Daytime Running Lamps / Left Low-Beam Headlamp
LTR Cigarette Lighter
MISC IGN Ignition
NAV MTR Navigation Motor
ODD COILS Odd Coils
PED PROT Not Used
PWR MODING PASS-Key III+ Module, Body Control Module
RT HI BEAM Right High-Beam Headlamp
RT LO BEAM Right Low-Beam Headlamp
RT LO BEAM Right Low-Beam Headlamp
SPARE Spare
SPARE Spare
STR/WHL/ILLUM Steering Wheel Illumination
TCM BATT Transmission Control Module Battery
MAN SPD SNSR Manual Speed Sensor
WPR Windshield Wiper
ENG PUMP Engine Pump

 

J Cases Usage
ABS MTR ABS Motor
BLWR Blower
BRK VAC PUMP Brake Vacuum Pump
FAN 1 Cooling Fan 1
FAN 2 Cooling Fan 2
REAR DEFOG Rear Defogger
SPARE Spare
EPB Electric Park Brake
SPARE Spare
STRTR Starter
SPARE Spare
WSW/HTR Windshield Washer Heater

 

Relays Usage
A/C CMPRSR CLTCH Air Conditioning Compressor Clutch
DRL (W/O HID) LO BEAM (HID) Daytime Running Lamps (without High Intensity Discharge), Low-Beam Headlamps (High Intensity Discharge)
ENG PUMP Engine Pump
FAN S/P Cooling Fan Series/Parallel
FAN 1 Cooling Fan 1
FAN 2 Cooling Fan 2
HI BEAM High-Beam Headlamp
HORN Horn
IGN 1 Ignition 1
LO BEAM (W/O HID) LT DRL (HID) Low-Beam (without High Intensity Discharge), Left Daytime Running Lamp (High Intensity Discharge)
PWR/TRN Powertrain
REAR DEFOG Rear Defogger
SPARE Spare
STRTR Starter
WPR Windshield Wiper
WPR HI Windshield Wiper High Speed
WSW PUMP Windshield Washer Pump
FOG LAMP Fog Lamps
RT DRL (HID) Right Daytime Running Lamp (High Intensity Discharge)

 

Circuit Breakers Usage
HEAD LAMP WASH Headlamp Washer

Underhood Fuse Block (CTS-V)

The underhood fuse block is located on the passenger side of the engine compartment.

Cadillac CTS  mk2 -  fuse  box - engine compartment (CTS-V)
Cadillac CTS mk2 – fuse box – engine compartment (CTS-V)
Mini – Fuses Usage
A/C CLTCH Air Conditioning Clutch
ABS Antilock Braking System (ABS)
AFS Adaptive Forward Lighting System
AIRBAG IGN Airbag Switch
S/ROOF Sunroof
BCM 1 Body Control Module 1
BCM 2 Body Control Module 2
BCM 3 Body Control Module 3
BCM 4 Body Control Module 4
BCM 5 Body Control Module 5
SPARE Spare
BCM 6, BCM 7 Body Control Module 6 and 7
DISPLY Display
DRL RT Right Daytime Running Lamp (DRL)
DRL/WSW Daytime Running Lamps/Windshield Washer Pump
ECM Engine Control Module (ECM)
ECM/TCM IGN ECM, Transmission Control Module (TCM), Instrument Panel
Cluster (IPC), PASS-Key III+ Module
EMIS 1 Emission 1
EMIS 2 Emission 2
EVEN COILS Even Coils
FRT FOG Front Fog Lamps
HORN Horn
DRL LT Left Daytime Running Lamps
LT HI BEAM Left High-Beam Headlamp
SPARE Spare
LT LO BEAM Left Low-Beam Headlamp
LTR Cigarette Lighter
MISC IGN Ignition
NAV MTR Navigation Motor
ODD COILS Odd Coils
PED PRO Not Used
PWR MODING PASS-Key III+ Module, Body Control Module
RT HI BEAM Right High-Beam Headlamp
RT LO BEAM Right Low-Beam Headlamp
SPARE Spare
SPARE Spare
SPARE Spare
STR/WHL/ILLUM Steering Wheel Illumination
TCM BATT Transmission Control Module Battery
SPARE Spare
WPR Windshield Wiper
INCLR Intercooler Pump

 

J Cases Usage
ABS MTR ABS Motor
BLWR Blower
SPARE Spare
FAN 1 Cooling Fan 1
FAN 2 Cooling Fan 2
REAR DEFOG Rear Defogger
SPARE Spare
EPB Electric Park Brake
MRTD MR Ride/Suspension Control
STRTR Starter
SPARE Spare
WSW/HTR Windshield Washer Heater

 

Relays Usage
A/C CMPRSR CLTCH Air Conditioning Compressor Clutch
LO BEAM Low Beam
INCL Intercooler Pump
FAN S/P Cooling Fan Series/Parallel
FAN 1 Cooling Fan 1
FAN 2 Cooling Fan 2
HI BEAM High-Beam Headlamp
HORN Horn
IGN 1 Ignition 1
LT DRL Left Daytime Running Lamps
PWR/TRN Powertrain
REAR DEFOG Rear Defogger
SPARE Spare
STRTR Starter
WPR Windshield Wiper
WPR HI Windshield Wiper High Speed
DRL/WSW Daytime Running Lamps/Windshield Washer Pump
FOG LAMP Fog Lamps
RT DRL Right Daytime Running Lamp

 

Circuit Breakers Usage
HEAD LAMP WASH Headlamp Washer

Rear Compartment Fuse Block (CTS)

The rear compartment fuse block is located on top of the battery, on the right side of the trunk. The battery access door must be removed to access the fuse block.

Cadillac CTS mk2 - fuse box - rear compartment (CTS)
Cadillac CTS mk2 – fuse box – rear compartment (CTS)
Relay Usage
FUEL/PUMP Fuel Pump
LCK Lock
LT/POS/LP Left Position Lamp
REAR/FOG Not Used
RT/POS/L Right Position Lamp
FUEL/DR/RELSE Not Used
STOP/LP Stoplamp
TRUNK/RELSE Trunk Release
UNLCK Unlock

 

Mini-fuses Usage
AIRBAG Airbag System
AMP Amplifier
AUX/OUTLET Auxiliary Power Outlet
CNSTR/VENT Canister Vent
DR/LCK Door Lock
ECM Engine Control Module (ECM)
FUEL/PUMP Fuel Pump
LT/POS/LP Left Position Lamp
MSM Memory Seat Module
ONSTAR OnStar® System
PDM Passenger Door Module
RDO Audio System
RDO/SPKR Audio Speakers
REAR/FOG Not Used
RKE/PASS-KEY/MDL Remote Keyless Entry System, Pass-Key Theft Deterrent Feature Module
RT/POS/LP Right Position Lamp
RT/POS/LP Right Position Lamp
RVC/SNSR Regulated Voltage Control Sensor
S/ROOF Sunroof
SPARE Spare
SPARE Spare
STOP/LP Stoplamp
THEFT/UGDO Theft Deterrent System, Universal Home Remote System
TRUNK/RELSE Trunk Release

 

Circuit Breakers Usage
LF FRT/ PWR/SEAT Left Front Power Seat
PWR CLMN Power Steering Column
PWR/WNDW Power Window
RT FRT/PWR/SEAT Right Front Power Seat
LT/REAR/WNDW Left Rear Window
REAR/WNDW Right Rear Window

 

Rear Compartment Fuse Block (CTS-V)

The rear compartment fuse block is located on top of the battery, on the right side of the trunk. The battery access door must be removed to access the fuse block.

Cadillac CTS mk2 - fuse box - rear compartment (CTS-V)
Cadillac CTS mk2 – fuse box – rear compartment (CTS-V)
Relay Usage
FUEL/PUMP Fuel Pump
LCK Lock
LT/POS/LP Left Position Lamp
REAR/FOG Not Used
RT/POS/L Right Position Lamp
FUEL/DR/RELSE Not Used
STOP/LP Stoplamp
TRUNK/RELSE Trunk Release
UNLCK Unlock

 

Mini-fuses Usage
AIRBAG Airbag System
AMP Amplifier
AUX/OUTLET Auxiliary Power Outlet
CNSTR/VENT Canister Vent
DR/LCK Door Lock
ECM Engine Control Module (ECM)
FUEL/PUMP Fuel Pump
LT/POS/LP Left Position Lamp
MSM Memory Seat Module
ONSTAR OnStar® System
PDM Passenger Door Module
RDO Audio System
RDO/SPKR Audio Speakers
REAR/FOG Not Used
RKE/PASS-KEY/MDL Remote Keyless Entry System, Pass-Key Theft Deterrent Feature Module
RT/POS/LP Right Position Lamp
RT/POS/LP Right Position Lamp
RVC/SNSR Regulated Voltage Control Sensor
FSCM Fuel System Control Module
SPARE Spare
SPARE Spare
STOP/LP Stoplamp
THEFT/UGDO Theft Deterrent System, Universal Home Remote System
TRUNK/RELSE Trunk Release

 

Circuit Breakers Usage
LF FRT/ PWR/SEAT Left Front Power Seat
PWR CLMN Power Steering Column
PWR/WNDW Power Window
RT FRT/PWR/SEAT Right Front Power Seat
LT/REAR/WNDW Left Rear Window
REAR/WNDW Right Rear Window

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.