GM Service Manual Online
For 1990-2009 cars only

Engine Controls Component Location Table

Name

Location

Locator View

Connector End View

Group No.

Canister, EVAP

LH rear of vehicle

201-33, Fig. 34

--

3.130

Canister, EVAP Purge Solenoid

Top RH center of the engine

201-12, Fig. 13

202-35

3.130

Canister, EVAP Vent Valve

Crossmember area of the fuel tank

201-33, Fig. 34

202-36

3.120

Coil, Ignition

Top RH side of engine

201-11, Fig. 12

202-48

2.170

Connector, VCM C1, Blue

RH side of the engine compartment

201-21, Fig. 22

202-101

3.670

Connector, VCM C2, Red

RH side of the engine compartment

201-21, Fig. 22

202-102

3.670

Connector, VCM C3, Gray

RH side of the engine compartment

201-21, Fig. 22

202-103

3.670

Connector, VCM C4, Black

RH side of the engine compartment

201-21, Fig. 22

202-104

3.670

Connector, VCM C5

RH side of the engine compartment

201-21, Fig. 22

202-105

3.670

Injector, Fuel

Top center of the engine

201-12, Fig. 13

202-38

3.300

Module, Iginitoin Coil Driver

Top RH side of engine

201-11, Fig. 12

202-23

2.383

Relay, Fuel Pump

In relay center

201-46, Fig. 47

--

3.900

Sensor, Camshaft Position (CMP)

Located in the distributor

201-12, Fig. 13

202-12

2.383

Sensor, Crankshaft Position (CKP)

Below RH front of the engine near the harmonic balancer

201-11, Fig. 12

202-15

2.383

Sensor, Engine Coolant Temperature (ECT)

Top front of the engine between the A/C Compressor and the EGR Valve on the thermostat housing

201-11, Fig. 12

202-35

2.682

Sensor, Fuel Tank Pressure

Top of the fuel tank

201-32, Fig. 33

202-39

3.682

Sensor, Fuel Level W/ Fuel Pump

Top of the fuel tank

201-32, Fig. 33

202-39

3.107

Sensor, Heated Oxygen (H02S) Bank 1 Sensor 1 (M/T)

On the rear of the LH exhaust pipe on the left side of the transmission

201-16, Fig. 17

202-62

3.682

Sensor, Heated Oxygen (H02S) Bank 1 Sensor 1 (A/T)

On the rear of the LH exhaust pipe on the left side of the transmission

201-15, Fig. 16

202-62

3.682

Sensor, Heated Oxygen (H02S) Bank 1 Sensor 3

Rear of the catalytic converter

201-31, Fig. 32

202-63

3.682

Sensor, Heated Oxygen (H02S) Bank 2 Sensor 1

RH rear of the engine in the exhaust pipe

201-31, Fig. 32

202-62

3.682

Sensor, Intake Air Temperature (IAT)

LH front of the engine compartment in the air intake duct

201-10, Fig. 11

202-51

3.682

Sensor, Knock

Top rear of the engine above the transmission bell housing

201-12, Fig. 13

202-53

2.383

Sensor, Manifold Absolute Pressure (MAP)

Top center of the engine

201-12, Fig. 13

202-56

3.682

Sensor, Mass Air Flow (MAF)

LH front of the engine compartment in the air intake duct

201-10, Fig. 11

202-57

3.682

Sensor, Throttle Position (TP)

Top LH side of the engine

201-13, Fig. 14

202-97

3.339

Sensor, Vehicle Speed (A/T, 2WD)

RH rear of the transmission

201-17, Fig. 18

202-106

3.682

Sensor, Vehicle Speed (A/T, 4WD)

LH rear of the transfer case

201-17, Fig. 18

202-106

3.682

Sensor, Vehicle Speed (M/T, 2WD)

LH rear of the transmission

201-15, Fig. 16

202-106

3.682

Sensor, Vehicle Speed (M/T, 4WD)

LH rear of the transfer case

201-15, Fig. 16

202-106

3.682

Valve, Idle Air Control (IAC)

Top LH side of the engine

201-13, Fig. 14

202-47

3.820

Valve, Linear EGR Valve

Top front of the engine

201-11, Fig. 12

202-55

3.670