Chevrolet Cobalt 2005 - 2005 ELECTRICAL Fuses & Circuit Breakers - Cobalt

Chevrolet Cobalt 2005 - IDENTIFICATION

CAUTION:

When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See appropriate COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery.

Chevrolet Cobalt 2005 - FUSIBLE LINK

Fusible links are usually located between battery and starter or electrical center. For description and repair procedures, see Fig. 1.

Fig. 1: Chevrolet Cobalt 2005 - Component Locations - Repairing Fusible Links

Chevrolet Cobalt 2005 - BODY CONTROL MODULE FUSE BLOCK

NOTE:

Body Control Module is located under center of instrument panel below radio on right side of center console.

Fig. 2: Chevrolet Cobalt 2005 - Component Locations - Identifying Body Control Module Fuse Block Components

Chevrolet Cobalt 2005 Body Control Module (BCM) Usage

No.	Device	Rating	Description
1	FUSE PULLER	-	-
2	SPARE	-	Not Used
3	SPARE	-	Not Used
4	SPARE	-	Not Used
5	SPARE	-	Not Used
6	AMP Fuse	20A	Audio Amplifier (UQ3)
7	CLSTR Fuse	10A	Instrument Panel Cluster (IPC)
8	IGN SW Fuse	2A	Ignition Switch
9	STOP LP Fuse	10A	Stop Lamp Switch
10	HVAC/PK3 Fuse	10A	HVAC Control Module
11	EMPTY	-	Not Available
12	SPARE	20A	Not Used
13	AIR BAG Fuse	10A	Inflatable Restraints Sensing and Diagnostic Module (SDM)
14	SPARE	10A	Not Used
15	WPR Fuse	10A	Windshield Wiper/Washer Switch and Supercharger Boost Control Solenoid
16	HVAC/CLSTR/BTSI Fuse	10A	Instrument Panel Cluster (IPC), Heated Seat Switch - Driver, Heated Seat Switch - Passenger, Clutch Pedal Start Switch, HVAC Control Module, Stop Lamp/TCC Switch
17	EMPTY	-	Not Available
18	EMPTY	-	Not Available
19	EPS/STR WHL CNRL Fuse	2A	Electric Power Steering (EPS) Column Assembly, Inflatable Restraint Steering Wheel Module Control
20	S ROOF Fuse	15A	Sunroof Switch, Inside Rearview Mirror(UE1)
21	SPARE	20A	Not Used
22	EMPTY	-	Not Available
23	EMPTY	-	Not Available
24	SDM Fuse	10A	Inflatable Restraint Sensing and Diagnostic Module (SDM), Body Control Module (BCM)
25	ECM/TCM Fuse	10A	Fuse Block Underhood, Transmission Control Module (TCM)(L61), Engine Control Module (ECM)(L61), Powertrain Control Module (PCM) (LSJ)
26	DR LCK Fuse	15A	Door Unlock Relays, Door Lock Relay, Interior Lamps Relay
27	INT LIGHT Fuse	10A	Interior Lamps Relay
28	RDO Fuse	10A	Radio, Remote Control Door Lock Receiver (RCDLR) (AUO)
29	PWR WNDW Fuse	30A	Window Switch - Passenger, Window switch - Driver
30	IGN3 Relay	-	Blower Motor
31	EMPTY	-	Not Available
32	RAP Relay	-	Retained Accessory Power

Chevrolet Cobalt 2005 - FUSE HOLDER (50A)

Fuse Holder (50A) is located in rear compartment of vehicle near battery.

Chevrolet Cobalt 2005 - UNDERHOOD FUSE BLOCK

NOTE:

Underhood fuse block is located in engine compartment next to left strut tower.

Fig. 3: Chevrolet Cobalt 2005 - Component Locations - Identifying Underhood Fuse Block

Chevrolet Cobalt 2005 Fuse Block - Underhood Usage

Device	Rating	Description
EPS Fuse	60A	Electric Power Steering Control Module
ABS Fuse	50A	Electronic Brake Control Module (EBCM)
BCM 2 Fuse	40A	Body Control Module (BCM)
BCM 3 Fuse	30A	Body Control Module (BCM)
HTD SEATS Fuse	20A	Heated Seat Module - Driver, Heated Seat Module - Passenger
S BAND/ONSTAR Fuse	10A	Vehicle Communication Interface Module (VCIM) (UE1), Digital Radio Receiver (U2K)
LIGHTER Fuse	15A	Cigar Lighter (DT4), Data Link Connector (DLC)
CAN VENT Fuse	10A	Evaporative Emission (EVAP) Canister Vent Soleniod
MIRRORS Fuse	5A	Outside Rearview Mirror Switch (DG7)
COOLING FAN1 Fuse	30A	Cooling Fan 1 Relay
COOLING FAN2 Fuse	30A	Cooling Fan 2 Relay
HORN	10A	Horn
CRANK Fuse	30A	Crank Relay
PARK LPS Fuse	15A	Lamp Assembly-LF, Lamp Assembly-RF Stop/Tail and Turn Signal Lamp-Left,Body Control Module (BCM), Side Marker Lamp-Left, Side Marker Lamp-Right, License Lamp, Stop/Tail and Turn Signal Lamp-Right
RH LOW BEAM Fuse	10A	Lamp Assembly - RF
LH LOW BEAM Fuse	10A	Lamp Assembly - LF
RH HI BEAM Fuse	10A	Lamp Assembly - RF
LH HI BEAM Fuse	10A	Lamp Assembly - LF
WIPER Fuse	25A	Wiper Relay
I/P IGN Fuse	20A	Body Control Module
BACK UP Fuse	10A	Park Neutral Position (PNP) Switch (MN5), Back Up Lamp Switch (L61/M86)
ABS 2 Fuse	10A	Electric Brake Control Module (EBCM)
ECM/TRANS Fuse	15A	Supercharger Boost Control Solenoid (LSJ), Transmission Control Module (TCM), Engine Control Module (ECM) (L61), Powertrain Control Module (PCM) (LSJ)
TRUNK/OUTLET Fuse	20A	Trunk Release Relay, Auxiliary Power Outlet- Console
FUEL PUMP Fuse	15A	Fuel Pump and Sender Assembly
EMISSIONS Fuse	10A	Heated Oxygen Sensor (HO2S) Sensor 1, Heated Oxygen Sensor (HO2S) Sensor 2, Evaporative Emission (EVAP) Canister Purge Solenoid, Clutch Pedal Position (CPP) Switch, Mass Air Flow (MAF). Inlet Air Temperature (IAT) Sensor
INJECTORS Fuse	10A	Fuel Injector 1, Fuel Injector 2, Fuel Injector 3, Fuel Injector 4, Ignition Coil/Module 1 (LSJ), Ignition Coil/Module 2 (LSJ), Ignition Coil/Module 3 (LSJ), Ignition Coil/Module 4 (LSJ), Ignition Control Module (ICM) (L61)
PCM/ECM Fuse	15A	Engine Control Module (ECM) (L61), Powertrain Control Module (PCM) (LSJ)
AFTRCOOL Fuse	15A	After Cooling Pump (LSJ)
A/C CLUTCH Fuse	10A	A/C Compressor Clutch (C60)
REAR DEFOG Fuse	40A	Rear Defog Relay
FOG LP Fuse	15A	Fog Lamp - LF, Fog Lamp - RF
COOLING FAN 1 Relay	-	Cooling Fan
COOL SER/PAR Relay	-	Cooling Fan (LSJ)
COOLING FAN 2 Relay	-	Cooling Fan
CRANK Relay	-	Starter
WIPER 1 Relay	-	WIPER 2 relay, G101
WIPER 2 Relay	-	Windshield Wiper Motor
RUN/CRANK Relay (L61)	-	ECM/TRANS Fuse, I/P IGN Fuse, BACK UP Fuse, ABS Fuse,
RUN/CRANK Relay (LSJ)	-	I/P Fuse, FUTURE Fuse, BACK UP Fuse, ABS Fuse, ECM/TRANS Fuse
FUEL PUMP Relay	-	Fuel Pump and Sender Assembly
POWERTRAIN Relay (LSJ)	-	EMISSION Fuse, INJECTOR Fuse ECM Fuse, PCM Fuse
AFTRCOOL Relay (LSJ)	-	AFTR COOL Fuse
A/C CLUTCH Relay	-	A/C CLUTCH Fuse
REAR DEFOG Relay	-	Rear window defogger grid