GM Service Manual Online
For 1990-2009 cars only

1997 W-car Buick 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

9

--

--

A/C Refrigerant Pressure Sensor

RH side of engine compartment, on accumulator

37

--

--

Automatic Transaxle

LH side of engine

11

--

--

Automatic Transaxle Fluid Temperature (TFT) Sensor

Inside automatic transaxle

--

--

--

Camshaft Position (CMP) Sensor

RH side of engine, below intake plenum

18

--

--

Crankshaft Position (CKP) Sensor (7X)

Lower rear of engine block, below exhaust manifold

19

--

--

Crankshaft Position (CKP) Sensor (24X)

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

20

--

--

Cruise Control Module

LH side of engine compartment, mounted to strut tower

41

34-1

--

Data Link Connector (DLC)

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

48

50-1

--

Engine Coolant Fan Motor #1 (LH)

Mounted on LH side of radiator

3

--

--

Engine Coolant Fan Motor #2 (RH)

Mounted on RH side of radiator

3

--

--

Engine Coolant Temperature (ECT) Sensor

Top LH side of engine below throttle body

--

--

--

Engine Oil Level Indicator Switch

In oil pan, lower front center

38

--

--

Engine Oil Pressure Indicator Switch

Front of engine above starter

9

--

--

Evaporative Emission (EVAP) Canister Purge Solenoid Valve

Top rear of engine, behind ignition control module

14

--

--

Evaporative Emission (EVAP) Canister Vent Solenoid Valve

Behind LH side of rear fascia splash shield in wheel well

72

--

--

Exhaust Gas Recirculation (EGR) Valve

Upper LH side of engine, near throttle body

16

202-52

--

Fuel Injectors

Top of engine, at each intake port

--

--

--

Fuel Tank

Below rear of vehicle

--

202-53

--

Fuse Block

RH side of I/P in RF door opening

60

--

--

Generator

Top rear RH side of engine

14

202-54

--

Heated Oxygen Sensor (HO2S) #1

In rear bank exhaust manifold, behind center of engine

14

202-55

--

Heated Oxygen Sensor (HO2S) #2

In exhaust system, behind catalytic converter

10

202-55

--

Heater And A/C Control

Center of I/P

--

202-55

--

Idle Air Control (IAC) Valve

LH top of engine on throttle assembly

16

202-56

--

Ignition Control Module (ICM)

Top rear of engine

14

202-57

--

Instrument Cluster

Top of I/P, above steering column

49

81-5

--

Intake Air Temperature (IAT) Sensor

LH front of engine compartment, in air cleaner duct

16

--

--

Knock Sensor

Front lower engine, above starter

9

--

--

Manifold Absolute Pressure (MAP) Sensor

Top rear of engine, above valve cover

22

--

--

Mass Air Flow (MAF) Sensor

LH front of engine, in air cleaner duct

16

--

--

Powertrain Control Module (PCM)

front LH side of engine, inside air cleaner assembly

8

6E

--

Splice Pack SP205

Below I/P, RH side of steering column

55

202-64

--

Starter Solenoid

On top of starter, lower front of engine

17

--

--

Stoplamp Switch

Below LH side of I/P in right side of brake pedal bracket

46

202-65

--

Throttle Position (TP) Sensor

Top of LH side of engine on throttle assembly

16

--

--

Torque Converter Clutch Pulse Width Modulation Solenoid Valve

Inside Automatic Transaxle

--

--

--

Torque Converter Clutch Solenoid Valve

Inside Automatic Transaxle

--

--

--

Transaxle Range Switch

Left of engine on transaxle

11

202-65

--

Underhood (U/H) Electrical Center

RH side of engine compartment mounted to strut tower

5

202-66

--

Vehicle Speed Sensor (VSS)

Lower RH side of engine compartment, on transaxle

25

--

--

C101 (8 cavities)

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

41

202-0

--

C102 (10 cavities)

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

15

202-1

--

C105 (4 cavities)

Engine wiring harness to fan jumper wiring harness, on radiator RH coolant fan

3

202-2

--

C108 (5 cavities)

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

15

202-3

--

C111 (7 cavities)

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

12

202-5

--

C181 (6 cavities)

I/P wiring harness to engine wiring harness, RH engine compartment, front of strut tower

41

202-12

--

C200 (56 cavities)

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

61

202-13

--

C405 (8 cavities)

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

67

202-36

--

G111

Lower LH front of engine on transaxle stud

17

--

--

G113

Lower LH front of engine on transaxle stud

17

--

--

G117

Lower LH front of engine on transaxle stud

17

--

--

G200

Behind RH side of I/P compartment

61

--

--

G203

Below I/P, RH side of steering column

54

--

--

G402

Inside rear compartment, below RH side of rear window trim panel

71

--

--

P100

Lower RH side of dash panel

59

--

--

P101

Upper LH side of dash panel

41

--

--

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 7 cm (3 in) from PCM breakout

--

--

--

S107

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

--

--

--

S109

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

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

--

--

--

S122

Engine wiring harness, RH front of engine above radiator, approximately 7 cm (3 in) from C105 (engine coolant fan connector) 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

--

--

--

S202

I/P wiring harness, RH side of steering column, approximately 8 cm (3 in) from splice pack SP205 breakout

--

--

--

S211

I/P wiring harness, RH side of steering column, approximately 20 cm (8 in) from instrument cluster breakout

--

--

--

S230

I/P wiring harness, approximately 18 cm (7 in) from radio breakout

--

--

--

S233

I/P wiring harness, behind center of I/P, approximately 4 cm (2 in) from radio breakout

--

--

--

S234

I/P wiring harness, RH side of steering column, approximately 13 cm (5 in) from instrument cluster breakout

--

--

--

S270

I/P wiring harness, behind RH side of I/P, approximately 4 cm (2 in) from blower motor control module

--

--

--

S281

I/P wiring harness, RH side of steering column, approximately 20 cm (8 in) from G203 breakout

--

--

--

S409

Body wiring harness, LH floor under rear seat, approximately 51 cm (20 in) from C405

--

--

--