GM Service Manual Online
For 1990-2009 cars only

1997 W-car Pontiac 3.1 VIN M Component Location Table

Name

Location

Locator View (Section 8A-201 figure no.)

Connector End View

Group No.

1-2 Shift Solenoid Valve

Inside automatic transaxle

--

--

--

2-3 Shift Solenoid Valve

Inside automatic transaxle

--

--

--

A/C Compressor Clutch Coil

Part of A/C compressor, lower RH front of engine

14

--

--

A/C Refrigerant Pressure Sensor

LH side of engine compartment on accumulator

9

--

--

Automatic Transaxle

Lower LH side of engine compartment

15

--

--

Automatic Transaxle Fluid Temperature (TFT) Sensor

Inside automatic transaxle

Body Control Module (BCM)

Below LH side of I/P, left of steering column

60

51-2

--

Camshaft Position (CMP) Sensor

RH side of engine, below intake plenum

23

--

--

Crankshaft Position (CKP) Sensor (7X)

Lower rear of center of engine block

24

--

--

Crankshaft Position (CKP) Sensor (24X)

RH side of engine at end of crankshaft, behind harmonic balancer

25

--

--

Cruise Control Module

LH side of engine compartment, mounted to strut tower

11

34-1

--

Data Link Connector (DLC)

On bottom of I/P, right of steering column

42

50-1

--

Driver Information Display (DID)

RH side of instrument cluster

51

86-5

--

Engine Coolant Fan Motor

Front of engine compartment, mounted to radiator

3

--

--

Engine Coolant Temperature (ECT) Sensor

Top LH side of engine, below throttle body

--

--

--

Engine Oil Level Indicator Switch

Center of engine oil pan

41

--

--

Evaporative Emissions (EVAP) Canister Purge Solenoid Valve

Top rear of engine, on intake manifold behind generator

26

--

--

Evaporative Emissions (EVAP) Canister Purge Vacuum Diagnostic Switch

Top rear of engine, on intake manifold behind generator

26

--

--

Exhaust Gas Recirculation (EGR) Valve

Upper LH side of engine, near throttle body

22

202-51

--

Fuel Injectors

Top of engine at each cylinder intake port

--

--

--

Fuel Tank

Below rear of vehicle, forward of rear axle

--

--

--

Fuse Block

RH side of I/P, in I/P compartment opening

54

--

--

Generator

Top rear RH side of engine

20

202-54

--

Heated Oxygen Sensor (HO2S) #1

Rear of engine, mounted in exhaust manifold

20

202-55

--

Heated Oxygen Sensor (HO2S) #2

In exhaust system, behind catalytic converter

18

202-55

--

Heater And A/C Control (C60)

Center of I/P

--

202-55

--

Heater And A/C Control (CJ2)

Center of I/P

--

202-57

--

Idle Air Control (IAC) Valve

Top of engine on front of throttle assembly

22

202-57

--

Ignition Control Module (ICM)

Top center rear of engine

20

202-58

--

Instrument Cluster

LH side of I/P

--

81-3

--

Instrument Cluster Head-Up Display (HUD)

Top of LH side of I/P

56

83-2

--

Intake Air Temperature (IAT) Sensor

LH front of engine compartment in air cleaner duct

22

--

--

Knock Sensor

Front of engine above starter

14

--

--

Manifold Absolute Pressure (MAP) Sensor

Top rear of engine near fuel injectors

27

--

--

Mass Air Flow (MAF) Sensor

LH front of engine, in air cleaner duct

22

--

--

Powertrain Control Module (PCM)

LH side of engine compartment, inside air cleaner assembly

13

6E

--

Stoplamp Switch

Below LH side of I/P, in RH side of brake pedal bracket

57

--

--

Throttle Position (TP) Sensor

Top of engine on throttle assembly

22

--

--

Torque Converter Clutch Pulse Width Modulation Solenoid (TCC PWM SOL) Valve

Inside automatic transaxle

Torque Converter Clutch Solenoid (TCC SOL) Valve

Inside automatic transaxle

Transaxle Range Switch

Left of engine, on transaxle

16

202-63

--

Trip Calculator

RH side of instrument cluster

51

86-5

--

Underhood (U/H) Electrical Center

RH side of engine compartment, mounted to strut tower

5

202-64

--

Vehicle Speed Sensor (VSS)

RH rear of engine compartment, in transaxle

30

--

--

C101 (8 cavities)

I/P wiring harness to engine wiring harness, LH side of engine compartment near strut tower

11

202-0

--

C102 (10 cavities)

Engine wiring harness to fuel injector wiring harness, top of engine near generator

21

202-1

--

C105 (4 cavities)

Engine wiring harness to coolant fan wiring harness, on radiator between coolant fans

3

202-3

--

C108 (5 cavities)

Engine wiring harness to fuel injector wiring harness, top of engine near generator

21

202-5

--

C111 (7 cavities)

Engine wiring harness to automatic transaxle wiring harness, LH side of engine compartment, top of transaxle

16

202-7

--

C200 (56 cavities)

I/P wiring harness to body wiring harness, behind RH side of I/P, near shroud

--

202-15

--

C405 (8 cavities)

Body wiring harness to fuel tank wiring harness, in rear compartment floor forward of spare tire well

67

202-39

--

G111

Lower LH front of engine on transaxle stud

19

--

--

G113

Lower LH front of engine on transaxle stud

19

--

--

G117

Lower LH front of engine on transaxle stud

19

--

--

G200

RH side of I/P cross beam, behind fuse block

52

--

--

G302

RH door sill forward of RH front seat

66

--

--

P100

Lower RH side of dash panel

49

--

--

P101

Upper LH side of dash panel

11

--

--

S105

Engine wiring harness, front of engine compartment, approximately 4 cm (2 in) from C105 (engine coolant fan jumper connector) breakout

--

--

--

S106

Engine wiring harness, LH side of engine compartment approximately 44 cm (17 in) from PCM

--

--

--

S107

Engine wiring harness, RH top of engine, approximately 10 cm (4 in) from generator breakout

--

--

--

S109

Fuel injector wiring harness, top of engine, approximately 2 cm (1 in) from #2 fuel injector breakout

--

--

--

S115

Automatic Transaxle wiring harness, inside transaxle housing approximately 11 cm (4 in) from C111

--

--

--

S121

Fuel injector wiring harness, top of engine approximately 2 cm (1 in) from #3 fuel injector breakout

--

--

--

S122

Engine wiring harness, RH top of engine, approximately 4 cm (2 in) from generator breakout

--

--

--

S146

Engine wiring harness, LH side of engine compartment, approximately 11 cm (4 in) from PCM breakout

--

--

--

S155

Engine wiring harness, LH side of engine compartment, approximately 4 cm (2 in) from PCM breakout

--

--

--

S206

I/P wiring harness, RH side of steering column, approximately 4 cm (2 in) from data link connector breakout

--

--

--

S209

I/P wiring harness, behind RH side of instrument cluster, approximately 20 cm (8 in) from the driver information display/trip calculator breakout

--

--

--

S211

I/P wiring harness, behind center of I/P, approximately 11 cm (4 in) from data link connector breakout

--

--

--

S237

I/P wiring harness, behind center of I/P, approximately 30 cm (12 in) from data link connector breakout

--

--

--

S238

I/P wiring harness, below center of I/P, approximately 27 cm (11 in) from C240

--

--

--

S285

I/P wiring harness, RH side of steering column, approximately 11 cm (4 in) from data link connector breakout

--

--

--