GM Service Manual Online
For 1990-2009 cars only

Engine Component View (Left Side)


Object Number: 32540  Size: LF
(1)Ignition Control Module (ICM) and Coils Assembly
(2)Bank 1 Heated Oxygen Sensor 1
(3)Crankshaft Position (CKP) Sensor
(4)Exhaust Gas Recirculation (EGR) Valve
(5)Mass Air Flow (MAF) Sensor
(6)Manifold Absolute Pressure (MAP) Sensor

Engine Component View (Right Side)


Object Number: 32536  Size: LF
(1)Idle Air Control (IAC) Valve
(2)Mass Air Flow (MAF) Sensor
(3)Engine Coolant Temperature (ECT) Sensor
(4)Throttle Position (TP) Sensor
(5)Camshaft Position (CMP) Sensor
(6)Fuel Injectors
(7)Bank 2 Heated Oxygen Sensor 1
(8)Manifold Absolute Pressure (MAP) Sensor
(9)Fuel Pressure Regulator

Name

Location

Locator View (8A Cell 201 Page #)

Figure

Connector Eng View

A/C Compressor Relay

Underhood Electrical Center, left hand side of engine compartment

19

36

--

A/C Refrigerant Pressure Sensor

Above right hand Shock Tower, in high side refrigerant line between compressor and evaporator

19

35

--

Camshaft Position (CMP) Sensor

Mounted to engine front cover

29

56

--

Crankshaft Position (CKP) Sensor

Lower front of engine behind Harmonic Balancer

29

57

202-12

Data Link Connector (DLC)

On bottom of Instrument Panel, right of steering column

--

--

50-2

Engine Coolant Temperature (ECT) Sensor

Front of lower Intake Manifold, under Thorottle Body

8

14

--

Evaporative Canister Purge Solenoid Valve

Right center of Engine mounted to Manifold

26

30

--

Evaporative Purge Vacuum Switch

Rear right hand top of engine

6

10

--

Exhaust Gas Recirculation (EGR) Valve

Upper left hand side of engine

27

53

202-14

Fuel Injectors

Top of engine, mounted to fuel rail, at each cylinder intake port

26, 27

50, 53

--

Fuel Pump Prime Connector

Top of right hand Shock Tower, 1-way connector out of harness.

15

28

--

Fuel Pump/Fuel Level Sender

Mounted inside fuel tank

--

--

--

Fuel Pump Relay

Forward of left hand kick panel, mounted to foot-rest bracket under carpet.

7

13

202-14

Fuse Block

LH side of Instrument Panel

8

15

--

Generator

Top center right hand side of engine

--

--

--

Heated Oxygen Sensor, Bank 1 HO2S 1

Mounted in rear of right hand exhaust manifold

6

10

202-15

Heated Oxygen Sensor, Bank 1 HO2S 2

In exhaust system, front of Catalytic Converter.

29

58

202-15

Heated Oxygen Sensor, Bank 1 HO2S 3

In exhaust system, rear of Catalytic Converter.

29

58

202-15

Heated Oxygen Sensor, Bank 2 HO2S 1

Mounted in rear of left hand exhaust manifold

12

22

202-15

Idle Air Control Valve (IAC)

Right front on Intake Manifold

13

25

202-15

Ignition Control Module (ICM)

Above Left hand Valve Cover

27

53

202-13

Intake Air Temperature (IAT) Sensor

Front of engine compartment, on front intake air duct

28

55

--

Bank 1 Knock Sensor, left hand (KS)

Left hand of engine block

27

52

--

Bank 2 Knock Sensor, right hand (KS)

Right hand of engine block

11

20

--

Malfunction Indicator Lamp (MIL)

Upper right hand side of Instrument Panel

--

Refer to Instrument Cluster in Electrical Diagnosis

--

Manifold Absolute Pressure (MAP) Sensor

Mounted to intake vacuum source on rear right hand side of intake manifold

6

10

202-16

Mass Air Flow (MAF) Sensor

Mounted to top of Throttle body

13

25

202-17

Powertrain Control Module (PCM)

In Engine compartment, rearward of right hand Shock Tower

19

35

22-8

Positive Crankcase Ventilation Valve

Top right hand front of engine

--

--

--

Primary Cooling Fan

Left hand side behind radiator

--

--

--

Primary Cooling Fan Relay

Underhood Electrical Center, left hand side of engine compartment.

7

15

202-35

Secondary Cooling Fan

Right hand side, behind radiator

--

--

--

Secondary Cooling Fan Relay

Underhood Electrical Center, left hand side of engine compartment.

3

8

11-5

SMCC II Cruise Control Module

Left hand of vehicle, mounted to frame rail forward of front wheelhouse.

19

36

34-2

50-2

Body Control Module

Mounted to HAVC Module, above right hand I/P insulator panel

22

41

202-16

Throttle Body

Mounted to the Upper Intake Manifold, top, in center front of engine

--

--

--

Throttle Position (TP) Sensor

Right hand side of Throttle Body Assembly

13

25

--

TCC Brake Switch (Automatic Transmission)

Mounted in Brake pedal bracket, Lower left hand side of I/P

0

1

--

Clutch Anticipate/Cruise Release Switch (Manual Transmission)

Mounted in Brake/Clutch pedal bracket, Lower left hand side of I/P

0

1

--

Underhood Electrical Center

Left hand side of engine compartment.

3

8

10-0

Vehicle Speed Sensor (M30 Automatic Transmission) (VSS)

Rear right hand side of Transmission

10

20

--

Vehicle Speed Sensor (MM6 Manual Transmission) (VSS)

Rear left hand side of Transmission

16, 26

30, 51

--