Chevrolet Cavalier 2001 - 2001 GENERAL MOTORS Cavalier & Sunfire

Chevrolet Cavalier 2001 - BUZZERS, RELAYS & TIMERS

Chevrolet Cavalier 2001 BUZZERS, RELAYS & TIMERS LOCATION

Component	Location
A/C Relay	In underhood fuse block. See Fig. 5.
AF Fuel Pump Relay	At left front corner of engine compartment, behind headlamp.
Blower Motor Relay	In underhood fuse block. See Fig. 5.
Cooling Fan Relay	In underhood fuse block. See Fig. 5.
Crank Relay (Late Production Only)	Mounted on left side upper radiator support.
Daytime Running Lamps (DRL) Relay	In I/P fuse block.
Door Lock/Unlock Relay	Behind right side of dash.
EBCM Relay	Integral to electronic brake control module.
Fog Lamp Relay	On front impact bar.
Fuel Gauge Relay	At left front corner of engine compartment, behind headlamp.
Fuel Pump Relay	In underhood fuse block. See Fig. 5.
Horn Relay	Taped to fuse block harness, under left side of dash.
Ignition Relay	At left front corner of engine compartment, behind headlamp.
Lock-Off Relay	At left front corner of engine compartment, behind headlamp.

Chevrolet Cavalier 2001 - CIRCUIT PROTECTION DEVICES

Chevrolet Cavalier 2001 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
Convenience Center	Right side of dash, behind glove box.
I/P Fuse Block	Behind lower left side of dash.
In-Line Fuse A & B	Behind center of dash.
Underhood Fuse Block	Left front of engine compartment. See Fig. 5.

Chevrolet Cavalier 2001 - CONTROL UNITS

Chevrolet Cavalier 2001 CONTROL UNITS LOCATION

Component	Location
Alternative Fuel Engine Control Unit (AF ECU)	At left front corner of engine compartment, behind headlamp.
Body Control Module (BCM)	Behind left side of dash.
Cruise Control Module	On right side of engine compartment.
Electronic Brake Control Module	Next to master cylinder.
Fuel Tank Module	Under rear of passenger compartment, at fuel tank.
Ignition Control Module (2.2L VIN 4)	On top rear of engine, at ignition coil.
Ignition Control Module (2.4L VIN T)	On top of engine, under cover.
Powertrain Control Module (PCM)	In right front corner of engine compartment, behind fascia.
Sensing & Diagnostic Module (SDM)	Below right front seat.

Chevrolet Cavalier 2001 - MOTORS

Chevrolet Cavalier 2001 MOTORS LOCATION

Component	Location
Blower Motor	Under center of dash, in HVAC assembly.
Cooling Fan Motor	In center front of engine compartment.
Idle Air Control (IAC) Valve (2.2L VIN 4)	On throttle body assembly.
Idle Air Control (IAC) Valve (2.4L VIN T)	On throttle body assembly. See Fig. 4.
Washer Pump	Left front of engine compartment, in washer reservoir.
Wiper Motor Assembly	On left side of firewall.

Chevrolet Cavalier 2001 - SENDING UNITS & SENSORS

Chevrolet Cavalier 2001 SENDING UNITS & SENSORS LOCATION

Component	Location
A/C Refrigerant Pressure Sensor	In right front corner of engine compartment, on refrigerant line. See Fig. 6.
Camshaft Position (CMP) Sensor (2.2L VIN 4)	On right side of engine, near oil filter. See Fig. 2.
Camshaft Position (CMP) Sensor (2.4L VIN T)	On top left side of engine. See Fig. 4.
Crankshaft Position (CKP) Sensor (2.2L VIN 4)	On right side of engine, near oil filter. See Fig. 2.
Crankshaft Position (CKP) Sensor (2.4L VIN T)	On right front side of engine, above oil filter. See Fig. 3.
Engine Coolant Temperature (ECT) Sensor (2.2L VIN 4)	On left front of engine. See Fig. 1.
Engine Coolant Temperature (ECT) Sensor (2.4L VIN T)	On rear of engine, near coolant outlet.
Fuel Pressure Sensor (FPS)	In left side of trunk.
Fuel Tank Pressure Sensor	On top of fuel tank.
Fuel Temperature Sensor (FTS)	In left side of trunk.
Gas Mass Sensor/Mixture Control Valve (GMS/MCV)	On top center of engine.
Heated Oxygen Sensor (HO2S) (Post-Converter) (2.2L VIN 4)	Rearward of catalytic converter.
Heated Oxygen Sensor (HO2S) (Post-Converter) (2.4L VIN T)	Rearward of catalytic converter.
Inflatable Front End Discriminating Sensor	On center of front bumper, behind fascia.
Intake Air Temperature (IAT) Sensor (2.2L VIN 4)	On air cleaner outlet duct assembly.
Intake Air Temperature (IAT) Sensor (2.4L VIN T)	On air cleaner outlet duct assembly.
Knock Sensor (2.2L VIN 4)	On right side of engine, near oil filter. See Fig. 2.
Knock Sensor (2.4L VIN T)	On right rear side of engine block.
Manifold Absolute Pressure (MAP) Sensor (2.2L VIN 4)	Mounted on side of throttle body.
Manifold Absolute Pressure (MAP) Sensor (2.4L VIN T)	Mounted on side of throttle body. See Fig. 4.
Oxygen Sensor (O2S) (Pre-Converter) (2.2L VIN 4)	On exhaust manifold.
Oxygen Sensor (O2S) (Pre-Converter) (2.4L VIN T)	On exhaust manifold.
Passlock Sensor	On top portion of steering column.
Throttle Position (TP) Sensor (2.2L VIN 4)	On throttle body assembly.
Throttle Position (TP) Sensor (2.4L VIN T)	On throttle body assembly. See Fig. 4.
Vehicle Speed Sensor (VSS) (A/T)	On rear of transaxle.
Vehicle Speed Sensor (VSS) (M/T)	On top right front of transaxle.
Wheel Speed Sensor (4)	On each wheel hub assembly.

Chevrolet Cavalier 2001 - SOLENOIDS & SOLENOID VALVES

Chevrolet Cavalier 2001 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
ABS Solenoid (8)	Part of brake pressure modulator valve, next to master cylinder.
Brake Pressure Modulator Valve (BPMV)	Next to master cylinder.
Evaporative Emission Canister Purge Valve (2.2L VIN 4)	On lower right side of engine.
Evaporative Emission Canister Purge Valve (2.4L VIN T)	On left front of engine, near generator. See Fig. 4.
Evaporative Emission Canister Vent Solenoid	Under rear of vehicle.
Gas Mass Sensor/Mixture Control Valve (GMS/MCV)	On top center of engine.
High Pressure Lock-Off Solenoid	In left side of trunk.
Low Pressure Lock-Off Solenoid	On top right side of engine.
Luggage Compartment Lid Release Solenoid	On rear deck lid.
Torque Converter Clutch (TCC) Solenoid	In transaxle valve body.

Chevrolet Cavalier 2001 - SWITCHES

Chevrolet Cavalier 2001 SWITCHES LOCATION

Component	Location
Brake Fluid Level Switch	In brake fluid reservoir.
Brake Switch	On brake pedal support bracket.
Coolant Level Switch	On right side of engine compartment, in surge tank. See Fig. 6.
Cruise Control Brake Switch	On brake pedal support bracket.
Cruise Control Clutch Switch	On clutch pedal support bracket.
Engine Oil Pressure Switch (2.2L VIN 4)	Right side of engine, near oil filter. See Fig. 2.
Engine Oil Pressure Switch (2.4L VIN T)	On top rear of engine.
Park Brake Switch	In console, at base of parking brake lever.
Park/Neutral Position Switch	On top of transaxle.
Seat Belt Switch	In driver seat belt assembly.

Chevrolet Cavalier 2001 - MISCELLANEOUS

Chevrolet Cavalier 2001 MISCELLANEOUS LOCATION

Component	Location
A/C Compressor Clutch Diode	In A/C compressor clutch connector breakout.
Blower Resistor	Under center of dash, in HVAC assembly.
Data Link Connector (DLC)	Below left side of dash.

Chevrolet Cavalier 2001 - CONNECTORS

Chevrolet Cavalier 2001 CONNECTORS LOCATION

Component	Location
C100 (Gray/Black, 38 Pin)	At left side of engine compartment.
C101 (Black, 15 Pin)	At left front of engine compartment.
C102 (Black, 4 Pin)	At left end of dash.
C200 (Black, 23 Pin)	Behind left end of dash.
C202 (Black, 6 Pin)	Behind left end of dash.
C203 (Black, 3 Pin)	Behind left side of dash.
C204 (Black, 8 Pin)	Behind right side of dash.
C206 (Yellow, 2 Pin)	At lower dash tie bar.
C207 (Yellow, 2 Pin)	At lower dash tie bar.
C220 (Green, 6 Pin)	Behind left end of dash.
C275	Between radio & amplifier.
C313 (Green/Gray, 16 Pin)	Under center of rear seat.

Chevrolet Cavalier 2001 - GROUNDS

Chevrolet Cavalier 2001 GROUNDS LOCATION

Component	Location
G102	At left front of engine compartment.
G103	At left front of engine compartment.
G105	At left front of engine compartment.
G110	On rear of engine.
G112	On rear of engine.
G201	Behind upper left side of dash.
G204	Behind upper left side of dash.
G301	On inside of rear compartment lid.
G302	Below right front seat, on frame rail.
G304	Below left front seat.

Chevrolet Cavalier 2001 - SPLICES

Chevrolet Cavalier 2001 SPLICES LOCATION

Component	Location
S101 (2.2L VIN 4)	In engine harness, at left side of engine, 33 cm from coolant fan connector.
S101 (2.4L VIN T)	In engine harness, at left side of engine, 28 cm from coolant fan connector.
S102	In engine harness, at left rear of engine, 16 cm from engine compartment fuse/relay center.
S107 (2.2L VIN 4)	In engine harness, at left rear of engine, 34 cm from engine compartment fuse/relay center.
S107 (2.4L VIN T)	In engine harness, at left rear of engine, 20 cm from A/C compressor clutch connector.
S110	In engine harness, at left front of engine, near A/C compressor clutch connector.
S111	In engine harness, at left front side of engine, near A/C compressor clutch connector.
S117	In forward light harness, 44 cm from C101.
S118	In forward light harness, 29 cm from C101.
S119	In forward light harness, 33 cm from horn.
S121	In engine harness, at rear of engine, near C100.
S124	In HVAC wiring harness, 78 cm from C204.
S125	In HVAC wiring harness, 85 cm from C205.
S171	In engine harness, near C100.
S201	In dash harness, 35 cm from firewall grommet.
S202	In dash harness, 30 cm from firewall grommet, toward column switches.
S204	In dash harness, 28.5 cm from firewall grommet.
S205	In dash harness, 51 cm from firewall grommet, toward instrument cluster connectors.
S206	In dash harness, 21.5 cm from firewall grommet, toward instrument cluster connectors.
S207	In dash harness, 22 cm from firewall grommet.
S208	In ground circuit between radio & C275.
S209	In dash harness, 71 cm from firewall grommet, toward data link connector.
S210	In dash harness, 4 cm from firewall grommet, toward electronic brake control module.
S211	In radio harness, 26 cm from C205.
S214	In dash harness, 18 cm from electronic brake control module.
S215	In dash harness, 85 cm from firewall grommet, toward sensing diagnostic module connector.
S216	In dash harness, 15 cm from P210, toward instrument cluster connectors.
S217	In dash harness, 43 cm from P210, toward instrument cluster connectors.
S218	In dash harness, 65.5 cm from firewall grommet, toward passenger inflator module connector.
S219	In dash harness, 30 cm from firewall grommet, toward instrument cluster connectors.
S220	In dash harness, 36.5 cm from firewall grommet, toward instrument cluster connectors.
S228	In body harness.
S233	In HVAC harness, 93 cm from C204.
S242	In dash harness, 84 cm from firewall grommet, toward data link connector.
S243	In forward light harness, 4 cm from left headlight breakout.
S244	In forward light harness, 17 cm from right headlight breakout.
S248 (Convertible)	In body harness, 38 cm from left front door grommet.
S248 (Coupe & Sedan)	In body harness, 62 cm from right front door grommet.
S280	In HVAC harness, 58 cm from C204.
S281	In HVAC harness, 98.5 cm from C204.
S301	In body harness, 41.5 cm from seat belt switch connector, toward left side of vehicle.
S302 (Coupe)	In body harness, 257 cm from left front door grommet.
S303 (Coupe)	In body harness, 70 cm from right front door grommet.
S303 (Sedan)	In body harness, 47 cm from park brake switch, toward right side of vehicle.
S304	In body harness, 137 cm from left front door grommet.
S306	In body harness, 69 cm from seat belt switch connector, toward right side of vehicle.
S307	In body harness, 47 cm from left front door grommet.
S330	In body harness, 143 cm from tail/stoplight connector.
S331	In body harness, 113 cm from right front door grommet.
S332	In body harness, 147 cm from left front door grommet.
S351	In headliner harness, 46 cm from dome light connector.
S352	In headliner harness, 56 cm from dome light connector.
S353	In headliner harness, 36 cm from dome light connector.
S400	In body harness, 86 cm from left tail/stoplight connector.