GM Service Manual Online
For 1990-2009 cars only

Underhood Fuse Block CTS

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


Object Number: 1610445  Size: A2

Lift the fuse block cover to access the fuses.

Notice: Spilling liquid on any electrical components on the vehicle may damage it. Always keep the covers on any electrical component.


Object Number: 2054351  Size: C1

Mini-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

HDM WASH

Headlamp Driver Module Washer

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 PRO

Not Used

PWR MODING

PassKey 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-Case Fuses

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.


Object Number: 1610445  Size: A2

Lift the fuse block cover to access the fuses.

Notice: Spilling liquid on any electrical components on the vehicle may damage it. Always keep the covers on any electrical component.


Object Number: 2054360  Size: C1

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

HDM WASH

Headlamp Driver Module Washer

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

PassKey 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-Case Fuses

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