GM Service Manual Online
For 1990-2009 cars only

Engine Controls Component Location Table

Name

Location

8A Locator View

Connector End View

Group No.

AC Compressor Clutch

Lower front of engine

201-05, Fig 11

202-01

9.188

AC Compressor Clutch Diode

Underhood Bussed Electrical Center

201-10, Fig 22

--

8.852

AC Compressor Clutch Relay

Underhood Bussed Electrical Center

201-10, Fig 22

--

9.277

AC Refrigerant Pressure Sensor

Front of engine compartment

201-02, Fig 06

202-01

9.170

Automatic Transaxle

Left side of engine

201-07, Fig 16

202-75

--

Camshaft Position (CMP) Sensor

Top front of engine

201-05, Fig 12

202-07

2.383

Crankshaft Position (CKP) Sensor

Lower front of engine

201-05, Fig 11

202-72

2.383

Cruise Control Brake Switch

Below LH side of IP near steering column

201-16, Fig 33

202-09

3.886

Cruise Control Module

RH side of engine compartment

201-02, Fig 05

202-09

--

Data Link Connector

Left side of IP

201-13, Fig 27

202-10

4.710

Engine Coolant Temperature (ECT) Sensor

Top left of engine

201-06, Fig 13

202-13

3.682

Engine Oil Pressure Sensor

Top left of engine

201-06, Fig 13

202-14

1.800

Evaporative Emission (EVAP) Canister Purge Valve

Lower front of engine

201-05, Fig 11

202-14

3.145

Evaporative Emission (EVAP) Canister Vent Solenoid

Under rear of vehicle

201-24, Fig 50

202-14

3.130

Exhaust Gas Recirculation (EGR) Valve

Top front of engine

201-05, Fig 12

202-15

3.682

Fan Control Relay #1

Underhood Bussed Electrical Center

201-10, Fig 22

--

2.510

Fan Control Relay #2

Underhood Bussed Electrical Center

201-10, Fig 22

--

2.510

Fuel Injectors

Top front of engine

201-05, Fig 12

202-17

3.314

Fuel Pump Relay

Underhood Bussed Electrical Center

201-10, Fig 22

--

2.210

Fuel Tank Module

Under rear of vehicle

201-24, Fig 50

202-18

3.107

Fuel Tank Pressure Sensor

Under rear of vehicle

201-24, Fig 50

202-18

3.107

Generator

Right side of engine

201-05, Fig 11

202-19

2.275

Idle Air Control (IAC) Valve

Top front of engine

201-05, Fig 12

202-22

3.682

Ignition Control (IC) Module

Top left of engine

201-06, Fig 13

202-22

2.383

Instrument Cluster

LH side of IP

201-16, Fig 34

202-25

9.735

Intake Air Temperature (IAT) Sensor

LH side of engine compartment

201-03, Fig 07

202-25

3.415

Knock Sensor

Top left of engine

201-06, Fig 13

202-26

2.383

LH Cooling Fan Motor

Front of engine compartment

201-02, Fig 06

202-31

--

LH IP Bussed Electrical Center

LH side of IP

201-13, Fig 28

202-32

--

Manifold Absolute Pressure (MAP) Sensor

Top front engine

201-05, Fig 12

202-38

3.682

Mode Control Relay

Underhood Bussed Electrical Center

201-10, Fig 22

--

2.510

Post Converter Heated Oxygen Sensor (HO2S 2)

Center of passenger compartment - under vehicle

201-24, Fig 49

202-40

3.682

Powertrain Control Module (PCM)

Below LH side of IP near steering column

201-14, Fig 29

Engine Controls

3.670

Pre-Converter Oxygen Sensor (O2S 1)

Top left of engine

201-06, Fig 13

202-42

3.682

Radio (Chevrolet)

Below center of IP

201-18, Fig 37

202-43

--

Radio (Oldsmobile)

Below center of IP

201-18, Fig 37

202-42

--

RH Cooling Fan Motor

Front of engine compartment

201-02, Fig 06

202-50

1.055

RH IP Bussed Electrical Center

Right side of passenger compartment

201-20, Fig 41

202-51

--

Throttle Position (TP) Sensor

Top front of engine

201-05, Fig 12

202-59

3.339

Transaxle (TR) Range Switch

Left side of engine/transaxle

201-07, Fig 16

202-60

4.054

Underhood Bussed Electrical Center

Left side of engine compartment

201-10, Fig 22

202-62

--

Vehicle Speed Sensor (VSS)

Rear of engine/transaxle

201-09, Fig 19

202-70

3.682

C101 (10 cavities)

Left side of engine compartment

201-10, Fig 21

202-74

--

C102 (20 cavities)

Left side of engine

201-07, Fig 16

202-75

--

C200 (18 cavities)

Below LH side of IP near steering column

201-14, Fig 29

202-79

--

C300 (10 cavities)

Below LH side of IP near steering column

201-14, Fig 29

202-81

--

C413 (16 cavities)

Under rear of vehicle

201-24, Fig 50

202-86

--

G101

Left side of engine compartment

201-10, Fig 21

--

--

G102

Lower front of engine

201-05, Fig 11

--

--

G103

Lower front of engine

201-05, Fig 11

--

--

G201

Left side of IP

201-13, Fig 27

--

--

G301

LH side of passenger compartment

201-15, Fig 32

--

--

P100

Rear of engine compartment

201-11, Fig 24

--

--

P200

Rear of engine compartment

201-11, Fig 24

--

--