GM Service Manual Online
For 1990-2009 cars only

3.1L COMPONENT LOCATION TABLE

Component

Location

8A Locator View

Connector End View

Group No.

24X Crankshaft Position (CKP) Sensor

Front of engine

201-08, Fig 15

--

2.383

7X Crankshaft Position (CKP) Sensor

Right front side of engine

201-07, Fig 13

--

2.383

A/C Compressor Clutch

RH front of engine compartment

201-07, Fig 13

202-49

9.188

A/C Compressor Clutch Diode

Left side of engine

201-02, Fig 04

--

8.852

A/C Compressor Clutch Relay

Right rear engine compartment

201-02, Fig 03

202-48

9.277

A/C Refrigerant Pressure Sensor

RH front of engine compartment

201-31, Fig 61

--

9.170

Automatic Transaxle

Left side of engine compartment

201-02, Fig 04

202-57

--

Brake Switch

LH lower IP below steering column

201-26, Fig 52

202-49

4.710

Camshaft Position (CMP) Sensor

Front top of engine

201-04, Fig 07

--

2.383

Convenience Center

Left of steering column behind IP

201-25, Fig 49

202-17

--

Cooling Fan Motor

Front of engine compartment

201-03, Fig 05

--

1.055

Cooling Fan Relay

Right rear engine compartment

201-02, Fig 03

202-50

2.510

Cruise Control Brake Switch

LH lower IP below steering column

201-26, Fig 52

--

3.886

Cruise Control Module

Front of dash

201-17, Fig 33

202-19

3.887

Data Link Connector (DLC)

LH lower IP

201-25, Fig 50

202-20

--

Engine Compartment Fuse Center

Left side of engine compartment

201-04, Fig 08

--

--

Engine Coolant Level Switch

Right front of engine compartment

201-31, Fig 61

--

1.203

Engine Coolant Temperature (ECT) Sensor

LH rear of engine

201-07, Fig 13

--

3.682

Engine Oil Level Switch

Right rear bottom of engine

201-08, Fig 16

--

1.516

Engine Oil Pressure Sensor

Front right corner of engine

201-07, Fig 13

--

1.800

Evaporative Emission Canister Purge Valve

Rear of engine

201-04, Fig 07

--

3.145

Evaporative Emission Canister Vent Solenoid

Right front corner of engine compartment

201-31, Fig 61

--

3.130

Exhaust Gas Recirculation (EGR) Valve

RH front of engine compartment

201-09, Fig 17

--

3.682

Fuel Injectors

Front top of engine

201-09, Fig 17

--

3.314

Fuel Pump Relay

Right rear of engine compartment

201-02, Fig 03

--

2.210

Fuel Tank Module

Under rear of vehicle

201-35, Fig 70

--

3.107

Fuel Tank Pressure Sensor

Lower rear of car, front of fuel tank

201-33, Fig 66

--

3.107

Fuse Block

Left side of IP

201-25, Fig 50

--

--

Generator

RH front of engine compartment

201-03, Fig 06

202-53

2.275

Heated Front Oxygen Sensor (HO2S 1)

Rear of engine in exhaust manifold

201-04, Fig 07

202-54

3.682

Heated Rear Oxygen Sensor (HO2S 2)

Center of passenger compartment, under vehicle

201-05, Fig 10

202-29

3.682

Idle Air Control (IAC) Valve

Front of engine

201-03, Fig 06

--

3.682

Ignition Control (IC) Module

LH rear of engine compartment

201-10, Fig 19

202-52

2.383

Instrument Panel Cluster (Buick/Oldsmobile)

LH side of IP

201-27, Fig 54

202-24

9.735

Instrument Panel Cluster (Pontiac)

LH side of IP

201-27, Fig 54

202-23

9.735

Intake Air Temperature (IAT) Sensor

Left rear of engine

201-10, Fig 19

--

3.415

Knock Sensor (KS)

LH rear of engine

201-10, Fig 19

--

2.383

Manifold Absolute Pressure (MAP) Sensor

Front top of engine

201-09, Fig 17

--

3.682

Mass Air Flow (MAF) Sensor

LH front of engine compartment

201-06, Fig 12

--

3.682

Powertrain Control Module (PCM)

RH front of IP

201-23, Fig 45

202-29

3.670

Throttle Position (TP) Sensor

Front of engine

201-03, Fig 06

--

3.339

Transaxle Range (TR) Switch

LH rear of engine compartment

201-02, Fig 05

202-28

4.054

Vehicle Speed Sensor (automatic)

Right rear of engine

201-08, Fig 16

--

3.682

Vehicle Speed Sensor (manual)

Right rear of engine

201-08, Fig 16

--

3.682

C100

LH upper front of dash

201-30, Fig 60

202-00

--

C120

Rear of engine

201-04, Fig 07

202-03

--

C207

RH lower IP

201-30, Fig 59

202-08

--

C220

Rear of engine

201-04, Fig 07

202-08

 

C313

Rear passenger compartment

201-14, Fig 27

202-27

--

C411

RH upper IP

201-01, Fig 02

202-12

--

G100

Front of engine compartment

201-03, Fig 06

--

--

G110

Front of engine compartment

201-03, Fig 06

--

--

G111

Left rear of engine compartment

201-05, Fig 09

--

--

G200

LH IP near steering column

201-29, Fig 57

--

--

G301

Right side of passenger compartment

201-12, Fig 23

--

--

P101

Left rear of engine compartment

201-19, Fig 38

--

--

P201

RH upper IP

201-01, Fig 02

--

--

S106

Engine compartment front of dash

201-02, Fig 03

--

--

S109

RH rear of engine compartment

201-01, Fig 02

--

--

S110

LH side of engine

201-02, Fig 04

--

--

S111

LH side of engine

201-02, Fig 04

--

--

S118

Left side of IP

201-27, Fig 54

--

--

S119

Engine compartment front of dash

201-02, Fig 03

  

S140

LH front of dash

201-06, Fig 11

--

--

S161

Approx 16 cm from C120 towards injectors

201-04, Fig 07

--

--

S171

Engine compartment front of dash

201-02, Fig 03

--

--

S172

RH front of IP

201-31, Fig 62

--

--

S173

Right rear corner of engine compartment

201-02, Fig 03

--

--

S174

LH front of dash

201-06, Fig 11

--

--

S195

Right rear corner of engine compartment

201-02, Fig 03

--

--

S205

Lower LH side of steering column

201-33, Fig 65

--

--

S213

Center IP near HVAC control assembly

201-28, Fig 55

--

--

S217

Center IP near HVAC control assembly

201-28, Fig 55

--

--

S242

LH upper front of dash

201-30, Fig 60

--

--

S277

Center IP near tie bar

201-34, Fig 67

--

--

S278

RH rear of engine compartment

201-01, Fig 02

--

--

S303

Left rear corner of engine compartment

201-05, Fig 10

--

--

S331

Right side of passenger compartment

201-12, Fig 23

--

--

S391

Center IP near tie bar

201-34, Fig 67

--

--

S415

Engine compartment front of dash

201-02, Fig 03

--

--