Page 329 of 384
Fuses Usage
PWR SEAT Power Seat
PASS P/WIN Passenger Side Power WindowFuses Usage
DRIV P/WIN Driver Side Power Window
S/ROOF Sunroof Module
5-91
ProCarManuals.com
Page 330 of 384
Fuses Usage
CIGAR Cigarette Lighter
ECM/TCMEngine Control Module (ECM)/
Transmission Control Module (TCM)
FSCM Fuel Storage Control Module
ISRVM Inner Side Rearview Mirror)
Cluster Instrument Panel Cluster
AIR BAG Airbag System
OSRVM Outer Side Rearview Mirror
KEY CAP Key Capture Solenoid
WHL S/W Steering Wheel Switch
F/DR LCK Front Driver Door Lock
APO2 Accessory Power Outlet 2
BCM (VB3) Body Control Module (BCM) (VB3)
DR LCK Door LockFuses Usage
BCM (VB6) Body Control Module (VB6)
BCM (VB4) Body Control Module (VB4)
BCM (VB5) Body Control Module (VB5)
TRL Trailer
AIRCON Air Conditioner
AUDIO Audio
BCM (VB7) Body Control Module (VB7)
IGN SW Ignition Switch
AIR BAG Air Bag System
WASHER Washer Pump
APO1 Accessory Power Outlet 1
FSCM Fuel Storage Control Module
RR CLR Rear Closure
5-92
ProCarManuals.com
Page 331 of 384
Fuses Usage
BCM (VB2) Body Control Module (VB2)
DRL Daytime Running Light
BCM (VB1) Body Control Module (VB1)
ONSTAR OnStar
®
Relays Usage
RELAY
ACC/RAPAccessory, Retained Accessory
Power (RAP) Relay
RELAY
RUN/CRANKRun/Crank Relay
Underhood Fuse Block
Main Underhood Fuse Block
The main underhood fuse block is located on the driver
side of the engine compartment. The main underhood
fuse block is the larger of the two fuse blocks in the
engine compartment. Remove the fuse block cover for
access to the fuses and relays. SeeEngine Compartment
Overview on page 5-12for more information on its
location. To remove fuses, hold the end of the fuse
between your thumb and index nger and pull straight
out or use the fuse puller located inside the fuse block.
Notice:Spilling liquid on any electrical components
on your vehicle may damage it. Always keep the
covers on any electrical component.
5-93
ProCarManuals.com
Page 332 of 384
Fuses Usage
ENG 1 Engine 1
ENG 2 Engine 2Fuses Usage
ECM Engine Control Module
ENG 3 Engine 3
5-94
ProCarManuals.com
Page 333 of 384
Fuses Usage
A/C COMP Air Conditioning Compressor
MAINEngine Control Module/CAM,
Emissions, Injectors,
Electronic Throttle Control
FUEL Fuel Pump
AWD Not Used
ABSAnti-lock Brake System
Module (ABS)
STOP Stoplamp
HEATING MAT Heating Mat
HORN Horn
WIPER Windshield Wiper
SUNROOF* Sunroof (Option)
ANTI-THEFT* Theft Deterrent System (Option)
POWER
SEAT*Power Seat (Option)Fuses Usage
HDLP LO LH Left Headlamp Low-Beam
HDLP LO RH Right Headlamp Low-Beam
PKLP LH Left Parking Lamp
FRT FOG Front Fog Lamps
H/L HI H/L High
BLANK Not Used
HDLP
WASHERHeadlamp Washer
TCM Transmission Control Module
T/PKLP L H Left Turn Signal and Parking Lamp
SPARE Spare
SPARE Spare
SPARE Spare
SPARE Spare
5-95
ProCarManuals.com
Page 334 of 384
Relays Usage
FAN AUX
RELAYCooling Fan Auxiliary Relay
FUEL RELAY Fuel Pump Relay
WIPER SPEED
RELAYWindshield Wiper Speed Relay
DEFOG
RELAYDefogger Relay
HI/LO RELAY High/Low Relay
H/L WASHER
RELAYWasher Relay
MAIN RELAYEngine Control Module/CAM,
Emissions, Injectors, Electronic
Throttle Control Relay
FAN MAIN
RELAYCooling Fan Main RelayRelays Usage
FAN
CONTROL
RELAYCooling Fan Control Relay
RUN RELAY Run Relay
PARK LP
RELAYParking Lamp Relay
STARTER
RELAYStarter Relay
A/C COMP
RELAYAir Conditioning Compressor Relay
HORN RELAY Horn Relay
WIPER RELAY Windshield Wiper Relay
FRT FOG
RELAYFront Fog Lamp Relay
H/L HI RELAY H/L High Relay
5-96
ProCarManuals.com
Page 335 of 384
Hybrid Underhood Fuse Block
The Hybrid Underhood Fuse Block is located on the
passenger side of the engine compartment. It is the
smaller of the two fuse blocks in the engine compartment.
Fuses Usage
HYBRID
PUMPSHybrid Pumps
HILL HOLD
VLVSHill Hold Valves
AUX
TRANSPUMPAuxiliary Transmission Pump
Relays Usage
HILL HOLD
VLVSHill Hold Valves
AUX
TRANSPUMPAuxiliary Transmission Pump
5-97
ProCarManuals.com
Page 336 of 384