Chevrolet Cobalt LT 2009 - 2009 GENERAL MOTORS Cobalt & G5

Chevrolet Cobalt LT 2009 - BUZZERS, RELAYS & TIMERS

Chevrolet Cobalt LT 2009 BUZZERS, RELAYS & TIMERS LOCATION

Component	Location
A/C CLTCH Relay	Underhood fuse block. See Fig. 69.
AIR PUMP Relay	Underhood fuse block. See Fig. 69.
AIR SOL Relay	Underhood fuse block. See Fig. 69.
CHMSL Relay	Underhood fuse block. See Fig. 69.
COOL FANS Relay	Underhood fuse block. See Fig. 69.
COOL FAN1 Relay	Underhood fuse block. See Fig. 69.
CRNK Relay	Underhood fuse block. See Fig. 69.
DRL (PCB) Relay	Integral to underhood fuse block.
FOG LAMP (PCB) Relay	Integral to underhood fuse block.
FUEL PUMP Relay	Underhood fuse block. See Fig. 69.
HI BEAM (PCB) Relay	Integral to underhood fuse block.
HORN (PCB) Relay	Integral to underhood fuse block.
LO BEAM (PCB) Relay	Integral to underhood fuse block.
PRK LAMP (PCB) Relay	Integral to underhood fuse block.
PWR/TRN Relay	Underhood fuse block. See Fig. 69.
REAR DEFOG Relay	Underhood fuse block. See Fig. 69.
RUN/CRNK Relay	Underhood fuse block. See Fig. 69.
TRUNK (PCB) Relay	Integral to underhood fuse block.
WPR HI/LO Relay	Underhood fuse block. See Fig. 69.
WPR ON/OFF Relay	Underhood fuse block. See Fig. 69.

Chevrolet Cobalt LT 2009 - CIRCUIT PROTECTION DEVICES

Chevrolet Cobalt LT 2009 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
Fuse Block - Underhood	Engine compartment, next to left strut tower. See Fig. 17.
Fuse Holder - 50 AMP (2)	Rear compartment of vehicle, near battery.
Fusible Link	Front of engine, from starter to generator.

Chevrolet Cobalt LT 2009 - CONTROL UNITS

Chevrolet Cobalt LT 2009 CONTROL UNITS LOCATION

Component	Location
Body Control Module	Under center of dash. See Fig. 32.
Digital Radio Receiver	Center of rear shelf, under trim pad. See Fig. 35.
Electronic Brake Control Module (EBCM)	Near underhood fuse block. See Fig. 48.
Electronic Power Steering (EPS) Control Module	Under dash, near base of steering column.
Engine Control Module (ECM)	Left side of engine compartment. See Fig. 15.
Heated Seat Control Module (Driver)	Under front center of driver seat. See Fig. 22.
Heated Seat Module (Passenger)	Under front center of front passenger's seat. See Fig. 25.
HVAC Control Module	Center of dash, below radio. See Fig. 23.
Ignition Coil Module 1	Top of engine, under cover at cylinder No. 1.
Ignition Coil Module 2	Top of engine, under cover at cylinder No. 2.
Ignition Coil Module 3	Top of engine, under cover at cylinder No. 3.
Ignition Coil Module 4	Top of engine, under cover at cylinder No. 4.
Ignition Control Module	Top of engine. See Fig. 50.
Inflatable Restraint Front Passenger Presence System Module	Under passenger seat cushion. See Fig. 24.
Inflatable Restraint Sensing & Diagnostic Module	Under center console. See Fig. 36.
Remote Control Door Lock Receiver	Under right dash trim panel. See Fig. 32.
Theft Deterrent Module	Steering column, near ignition switch. See Fig. 33.
Throttle Actuator Control (TAC) Module	Intake manifold assembly.
Transmission Control Module (TCM)	Left rear of engine compartment. See Fig. 15.
Vehicle Communication Interface Module (VCIM)	Under rear, shelf between speakers. See Fig. 35.

Chevrolet Cobalt LT 2009 - MOTORS

Chevrolet Cobalt LT 2009 MOTORS LOCATION

Component	Location
Air Outlet (Driver) (1)	Behind left end of dash.
Air Outlet (Passenger) (3)	Behind right end of dash.
Air Temperature Actuator	Center of dash, left side of HVAC module. See Fig. 34.
Blower Motor	Under right side of dash. See Fig. 34.
Cooling Fan Motor	Front of engine compartment, attached to radiator. See Fig. 13.
Electronic Power Steering Motor	Base of steering column. See Fig. 33.
Fuel Pump & Sender Assembly	Inside fuel tank.
High Pressure Fuel Pump (2.0L)	Top rear of engine. See Fig. 6.
Intake Air Pressure & Temperature Sensor (2.0L)	Intake tube assembly. See Fig. 6.
Left Door Latch (6)	Rear of driver's door.
Mode Actuator	Center of dash, left side of HVAC module. See Fig. 34.
Rear Compartment Lid Release Actuator	Latch assembly. See Fig. 37.
Recirculation Actuator	Right side of dash, above blower motor. See Fig. 34.
Secondary Air Injection (AIR) Pump (2.2L)	Lower left side of engine, near oil pan. See Fig. 1.
Starter Motor (2.0L)	Lower left rear of engine block. See Fig. 6.
Starter Motor (2.2L)	Left side of engine. See Fig. 1.
Sunroof Motor	Between sun visors, in headliner.
Supercharger Intercooler Coolant Pump	Lower left side of engine, below starter.
Throttle Body (2.2L)	Intake manifold assembly. See Fig. 1.
Window Motor - Driver	Driver's door. See Fig. 39.
Window Motor - LR	Left rear door. See Fig. 40.
Window Motor - Passenger	Right front door. See Fig. 58.
Window Motor - RR	Right rear door. See Fig. 41.
Windshield Washer Fluid Pump	Lower left side of windshield washer reservoir. See Fig. 15.
Windshield Wiper Motor	Above master cylinder reservoir. See Fig. 17.

Chevrolet Cobalt LT 2009 - SENDING UNITS & SENSORS

Chevrolet Cobalt LT 2009 SENDING UNITS & SENSORS LOCATION

Component	Location
Accelerator Pedal Position (APP) Sensor	Near accelerator pedal bracket. See Fig. 26.
A/C Refrigerant Pressure Sensor	Right front of engine compartment, on A/C line, near compressor.
Ambient Air Temperature Sensor	Right side of left headlight. See Fig. 19.
Ambient Light Sensor	Dash trim pad, near windshield on driver's side. See Fig. 32.
Automatic Transmission Fluid Temperature (TFT) Sensor	Automatic transmission assembly.
Automatic Transmission Input Shaft Speed Sensor	Top, right side of transmission. See Fig. 11.
Battery Current Sensor	Rear compartment, on negative battery cable, near battery. See Fig. 38.
Brake Booster Vacuum Sensor	Brake booster assembly. See Fig. 16.
Brake Pedal Position Sensor	Top of brake pedal assembly. See Fig. 26.
Camshaft Position (CMP) Sensor - Exhaust (2.0L)	Right rear of cylinder head. See Fig. 7.
Camshaft Position (CMP) Sensor - Intake (2.2L)	Top rear of engine. See Fig. 1.
Camshaft Position Sensor (Intake) (2.0L)	Rear of cylinder head. See Fig. 7.
Clutch Pedal Position Sensor	Top of clutch pedal. See Fig. 26.
Crankshaft Position (CKP) Sensor (2.0L)	Left rear of engine. See Fig. 6.
Crankshaft Position (CKP) Sensor (2.2L)	Above starter motor. See Fig. 1.
Engine Coolant Temperature (ECT) Sensor (2.0L)	Right rear of engine block. See Fig. 7.
Engine Coolant Temperature (ECT) Sensor (2.2L)	Rear of engine. See Fig. 3.
Fuel Pump & Sender Assembly (2.0L)	Fuel tank assembly. See Fig. 9.
Fuel Rail Pressure Sensor (2.0L)	Fuel rail assembly. See Fig. 6.
Fuel Tank Pressure Sensor	Top of fuel tank. See Fig. 9.
Heated Oxygen Sensor (HO2S) 1 (2.0L)	Exhaust manifold. See Fig. 8.
Heated Oxygen Sensor (HO2S) 1 (2.2L)	Exhaust manifold. See Fig. 5.
Heated Oxygen Sensor (HO2S) 2 (2.2L)	Exhaust, after catalytic converter. See Fig. 5.
Heated Oxygen Sensor 2 (2.0L)	Exhaust, downstream of catalytic converter. See Fig. 8.
Inflatable Restraint Front End Sensor	Near hood latch. See Fig. 12.
Inflatable Restraint Front Passenger Presence System Sensor	Front passenger seat cushion. See Fig. 24.
Inflatable Restraint Side Impact Sensor - Left	Lower corner of driver's door. See Fig. 28.
Inflatable Restraint Side Impact Sensor - Right	Lower corner of passenger's door. See Fig. 28.
Input Speed Sensor	Left side of engine compartment, on automatic transmission.
Knock Sensor (2.0L)	Left rear of engine block. See Fig. 6.
Knock Sensor (2.2L)	Lower left side of engine. See Fig. 1.
Manifold Absolute Pressure (MAP) Sensor (2.2L)	Throttle body assembly. See Fig. 1.
Mass Air Flow (MAF)/Inlet Air Temperature (IA/T) Sensor (2.0L)	Air intake tube. See Fig. 6.
Mass Air Flow (MAF)/Inlet Air Temperature (IA/T) Sensor (2.2L)	Intake, after air cleaner. See Fig. 1.
Output Speed Sensor	Rear of engine compartment, on automatic transmission.
Seat Belt Tension Sensor	Passenger seat belt retractor.
Steering Angle Sensor	Base of steering column. See Fig. 33.
Vehicle Speed Sensor (2.0L)	Top of transaxle. See Fig. 8.
Vehicle Speed Sensor (2.2L)	Top of transaxle. See Fig. 4.
Wheel Speed Sensor (WSS) - LF	Inside left front wheel hub. See Fig. 42.
Wheel Speed Sensor (WSS) - LR	Inside left rear wheel hub. See Fig. 42.
Wheel Speed Sensor (WSS) - RF	Inside right front wheel hub. See Fig. 42.
Wheel Speed Sensor (WSS) - RR	Inside right rear wheel hub. See Fig. 42.

Chevrolet Cobalt LT 2009 - SOLENOIDS & SOLENOID VALVES

Chevrolet Cobalt LT 2009 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
A/C Compressor Clutch (2.0L)	Lower left front of engine. See Fig. 6.
A/C Compressor Clutch (2.2L)	Left front of engine. See Fig. 1.
A/T Shift Lock Control Solenoid	Gear selector assembly. See Fig. 36.
Camshaft Position (CMP) Actuator Solenoid - Exhaust	Top of engine. See Fig. 7.
Camshaft Position (CMP) Actuator Solenoid - Intake	Top of engine. See Fig. 7.
Evaporative Emission (EVAP) Canister Purge Solenoid Valve (2.2L)	Top, rear of engine. See Fig. 1.
Evaporative Emission (EVAP) Canister Purge Solenoid (2.0L)	Intake manifold assembly. See Fig. 6.
Evaporative Emissions (EVAP) Canister Vent Solenoid Valve	Behind tank assembly. See Fig. 9.
Fuel Injector 1 (2.2L)	Under fuel rail assembly. See Fig. 2.
Fuel Injector 2 (2.2L)	Under fuel rail assembly. See Fig. 2.
Fuel Injector 3 (2.2L)	Under fuel rail assembly. See Fig. 2.
Fuel Injector 4 (2.2L)	Under fuel rail assembly. See Fig. 2.
Ignition Lock Cylinder Control Solenoid	Steering column, part of ignition lock cylinder.
Pressure Control Solenoid Valve	Inside automatic transmission. See Fig. 11.
Secondary Air Injection Pump Solenoid	Left rear of engine compartment. See Fig. 10.
Starter Solenoid (2.0L & 2.4L)	Lower left rear of engine.
Supercharger Boost Solenoid	Top of engine, near canister purge solenoid.
TCC Control PWM Solenoid	Automatic transmission.
Torque Converter Clutch Pulse Width Modulation Solenoid Valve	Automatic transaxle assembly. See Fig. 11.
Turbocharger Bypass Valve Solenoid (2.0L)	Left top of engine. See Fig. 6.
Turbocharger Wastegate Solenoid	Lower right front of engine. See Fig. 7.
1-2 Shift Solenoid (1-2 SS) Valve	Inside transmission.
2-3 Shift Solenoid (2-3 SS) Valve	Inside transmission.

Chevrolet Cobalt LT 2009 - SWITCHES

Chevrolet Cobalt LT 2009 SWITCHES LOCATION

Component	Location
Automatic Transmission Fluid Pressure Manual Valve Position Switch	Side of transmission assembly. See Fig. 11.
Backup Lamp Switch (2.0L)	Top of transaxle. See Fig. 8.
Backup Lamp Switch (2.2L)	Side of transaxle case. See Fig. 4.
Brake Fluid Level Switch	Master cylinder assembly. See Fig. 16.
Clutch Pedal Position (CPP) Switch-Manual Transmission	Under left side of dash, at top of clutch pedal.
Clutch Start Switch	Under left side of dash, at top of clutch pedal.
Coolant Level Switch	Left side of engine compartment, on bottom of coolant reservoir. See Fig. 14.
Cruise Control Cancel Switch	Top of brake pedal. See Fig. 26.
Door Ajar Switch - Driver (Coupe)	Lower left "A" pillar between door hinges.
Door Ajar Switch - Driver (Sedan)	Lower left "A" pillar between door hinges.
Door Ajar Switch - Front Passenger (Coupe)	Lower right "A" pillar between door hinges.
Door Ajar Switch - Front Passenger (Sedan)	Lower right "A" pillar between door hinges.
Door Ajar Switch - LR	Center of left "B" pillar between hinges.
Door Ajar Switch - RR	Center of right "B" pillar between hinges.
Door Jamb Switch - Driver	Left front door jamb. See Fig. 29.
Door Jamb Switch - Left Rear	Below left rear door hinges. See Fig. 30.
Door Jamb Switch - Right Front	Right front door jamb. See Fig. 29.
Door Jamb Switch - Right Rear	Below right rear door hinges. See Fig. 30.
Door Latch - Driver	Center rear of driver's door.
Door Latch - LR	Center rear of left rear door.
Door Latch - Passenger	Center rear of front passenger's door.
Door Latch - RR	Center rear of right rear door.
Engine Oil Pressure (EOP) Switch (2.0L)	Left side of engine, above starter. See Fig. 6.
Engine Oil Pressure (EOP) Switch (2.2L)	Lower left rear of engine. See Fig. 1.
Hood Ajar Switch	Front of vehicle, part of hood latch. See Fig. 21.
Ignition Switch	Right side of steering column.
Park Brake Switch	Center console, attached to parking brake. See Fig. 36.
Park Neutral Position (PNP) Switch (2.2L)	Rear of engine. See Fig. 5.
Rear Compartment Lid Ajar Switch (7)	Center rear of rear compartment lid.
Seat Belt Switch (Driver) (1)	Part of seat belt buckle, right side of driver's seat.
Seat Belt Switch (Passenger) (2)	Part of seat belt buckle, left side of passenger's seat.
Stop Lamp Switch/TCC Switch	Under left side of dash, at top of brake pedal.
TFP Manual Valve Position Switch Assembly	Automatic transmission valve body.
Wiper/Washer Switch	Steering column, on right side.
1-2 Shift Solenoid Valve	Side of transmission. See Fig. 11.
2-3 Shift Solenoid Valve	Side of transmission. See Fig. 11.

Chevrolet Cobalt LT 2009 - MISCELLANEOUS

Chevrolet Cobalt LT 2009 MISCELLANEOUS LOCATION

Component	Location
Audio Amplifier	Under left side of dash.
Battery (1)	Rear compartment, next to spare tire.
Blower Motor Resistor	Under right side of dash, next to blower motor. See Fig. 34.
Cellular Telephone Antenna	Rear center of roof.
Cellular Telephone Microphone	Front of headliner, left of sunroof control switches. See Fig. 31.
Cooling Fan Resistor (3)	Lower left radiator shroud.
Data Link Connector (DLC)	Lower left of dash. See Fig. 32.
Digital Radio/Cellular Telephone Antenna	Rear center of roof.
Generator (2.0L)	Left front of engine. See Fig. 6.
Generator (2.2L)	Left front of engine. See Fig. 1.
Heated Seat Element (Driver's Back)	Under upholstery of driver's seat back. See Fig. 22.
Heated Seat Element (Driver's Cushion)	Under upholstery of driver's seat bottom. See Fig. 22.
Heated Seat Element (Passenger's Back)	Under upholstery of passenger's seat back. See Fig. 25.
Heated Seat Element (Passenger's Cushion)	Under upholstery of passenger's seat bottom. See Fig. 25.
Horn	Front of left frame member. See Fig. 18.
Ignition Coil 1	Top of valve cover. See Fig. 2.
Ignition Coil 2	Top of valve cover. See Fig. 2.
Ignition Coil 3	Top of valve cover. See Fig. 2.
Ignition Coil 4	Top of valve cover. See Fig. 2.
Inflatable Restraint Instrument Panel (I/P) Module	Right side of dash, above glove compartment.
Inflatable Restraint Roof Rail Module - Left	Above front & rear door rails behind headliner.
Inflatable Restraint Roof Rail Module - Right	Above front & rear door rails behind headliner.
Inflatable Restraint Side Impact Module (SIS) - Left	Lower left driver's door.
Inflatable Restraint Side Impact Module (SIS) - Right	Lower right front passenger's door.
Inflatable Restraint Steering Wheel Module Coil	Steering column, behind steering wheel.
Radio Antenna	Right rear quarter panel. See Fig. 20.
Seat Belt Pretensioner - Driver	Left "B" pillar. See Fig. 27.
Seat Belt Pretensioner - Passenger	Right "B" pillar. See Fig. 27.

Chevrolet Cobalt LT 2009 - CONNECTORS

Chevrolet Cobalt LT 2009 CONNECTORS LOCATION

Component	Location
X100 (Black, 14 Pin)	On transmission case. See Fig. 46.
X101 (2.2L) (Black, 14 Pin)	Near brake fluid reservoir. See Fig. 48.
X110 (Black, 6 Pin)	Right headlamp assembly. See Fig. 44.
X111 (Black, 6 Pin)	Left headlamp assembly. See Fig. 47.
X121 (Black, 6 Pin)	Under coolant reservoir. See Fig. 44.
X160 (Black, 8 Pin)	Left front of engine, near generator. See Fig. 50.
X170 (Black, 2 Pin)	Right front wheel speed sensor jumper harness. See Fig. 51.
X171 (Black, 2 Pin)	Left front wheel speed sensor jumper harness. See Fig. 51.
X200 (Black, 16 Pin)	Right end of dash. See Fig. 52.
X201 (Black, 40 Pin)	Under left front dash. See Fig. 52.
X202 (Yellow, 4 Pin)	Right end of dash. See Fig. 53.
X210 (Black, 2 Pin)	Under passenger's side dash. See Fig. 52.
X275 (Yellow, 4 Pin)	Left end of dash. See Fig. 52.
X302 (Black, 4 Pin)	Under front, center of headliner. See Fig. 61.
X305 (Gray, 16 Pin)	Fuel tank harness to body harness. See Fig. 66.
X314 (Black, 4 Pin)	Under front right side passenger's seat. See Fig. 55.
X315 (Black, 4 Pin)	Under front left side driver's seat. See Fig. 22.
X316 (Black, 10 Pin)	Under right side of front passenger's seat. See Fig. 55.
X319 (Yellow, 2 Pin)	Left "C" pillar. See Fig. 55.
X320 (Yellow, 2 Pin)	Right "C" pillar. See Fig. 55.
X321 (16 Pin) (3)	Near left rear speaker. See Fig. 61.
X400 (Black, 1 Pin)	Rear compartment, near battery. See Fig. 65.
X401 (Black, 2 Pin) (4)	Near rear shelf. See Fig. 64.
X492 (Black, 4 Pin) (8)	Left rear tail lamp assembly. See Fig. 64.
X493 (Black, 4 Pin) (1)	Right rear tail lamp assembly. See Fig. 64.
X494 (Black, 4 Pin)	Rear bumper, near license holder. See Fig. 67.
X495 (Black, 2 Pin)	Right of license holder. See Fig. 67.
X496 (Black, 2 Pin)	Rear bumper, left of license holder. See Fig. 67.
X497 (Black, 2 Pin)	Behind left side of rear fascia. See Fig. 67.
X500 (Gray, 40 Pin)	Driver's door assembly. See Fig. 56.
X600 (Gray, 40 Pin)	Behind right kick panel. See Fig. 53.
X700 (14 Pin)	Left "B" pillar. See Fig. 59.
X800 (Black/Gray, 14 Pin)	Right "B" pillar. See Fig. 60.

Chevrolet Cobalt LT 2009 - GROUNDS

Chevrolet Cobalt LT 2009 GROUNDS LOCATION

Component	Location
G101	Left side of engine compartment, under coolant reservoir. See Fig. 45.
G102	Washer reservoir fill cap. See Fig. 43.
G103	Left front of engine compartment, under left headlamp. See Fig. 48.
G105	Lower left front of transmission case. See Fig. 48.
G107 (2)	Right rear of cylinder head. See Fig. 49.
G109	Left strut tower. See Fig. 68.
G111	Front of engine compartment, near cooling fans. See Fig. 48.
G201	Behind left side of dash. See Fig. 51.
G203	Behind right side of dash. See Fig. 51.
G301	Under driver's seat. See Fig. 36.
G306	Under center console, near sensing & diagnostic module (SDM). See Fig. 36.
G401	Center of rear shelf, near left speaker. See Fig. 35.
G402	Center of rear shelf, near speaker. See Fig. 35.
G403	Battery current sensor. See Fig. 38.

Chevrolet Cobalt LT 2009 - SPLICES

Chevrolet Cobalt LT 2009 SPLICES LOCATION

Component	Location
JX200 (6)	Lower left of dash, below hood release.
J100 (1)	Ignition coil harness, top, right side of engine.
J103	Top left side of engine. See Fig. 50.
J105	Cooling fan jumper harness, 15 cm from cooling fan motor.
J109	Cooling fan jumper harness, 15 cm from G105.
J110	Cooling fan jumper harness, 15 cm from G105.
J139	Ignition coil harness.
J141	Top front of engine, 10 cm from mass air flow sensor.
J142	Engine harness, 20 cm from mass air flow sensor breakout.
J150	Body harness, 9.5 cm from breakout to engine control module.
J200 (Coupe)	Left front door harness, 7.85 cm from left front door lock switch. See Fig. 57.
J200 (Sedan)	Left front door harness, 7.85 cm from left front door lock switch. See Fig. 56.
J201	Behind inflatable restraint steering wheel module, in steering column.
J206	Behind inflatable restraint steering wheel module, in steering column.
J233	Lower left of dash, 5 cm from ambient light sensor breakout. See Fig. 52.
J261	HVAC jumper harness, 4.9 cm from HVAC control assembly. See Fig. 54.
J300	Headliner harness, 5.25 cm from sunroof switch. See Fig. 62.
J301	Driver seat harness, under driver seat.
J302	Front passenger seat harness, under front passenger seat.
J330	Body harness, 5.1 cm from "B" pillar.
J335 (12)	Body harness, 2.55 cm from G301. See Fig. 63.
J337	Body harness, 6.5 cm from auxiliary power outlet console.
J351 (13)	Body harness, 4 cm from G401 breakout. See Fig. 64.
J352 (14)	Body harness. See Fig. 64.
J360 (7)	Body harness, 3.75 cm from A/T shift lock control solenoid. See Fig. 63.
J361 (10)	Body harness, 3.75 cm from G301. See Fig. 63.
J401 (12)	Body harness, 14 cm from G401. See Fig. 64.
J402	Below license plate. See Fig. 67.