Document ID# 1230356
1998 Saturn SL2/SC2/SW2
 

Powertrain Control Module (PCM) Connector End Views

Table 1: Air Pump
Table 2: Air Pump Solenoid-1999 Only
Table 3: Crankshaft Position Sensor
Table 4: Electronic Ignition Module
Table 5: Engine Coolant Temperature Sensor
Table 6: Evaporative Cannister Vent Valve
Table 7: Evaporative Emission Cannister Purge Solenoid
Table 8: EVO Solenoid
Table 9: Fuel Injectors-1&2
Table 10: Fuel Injector-3&4
Table 11: Fuel Tank Pressure Sensor
Table 12: Fuel Tank Unit
Table 13: Generator-1998 1st Design Only
Table 14: Generator
Table 15: Heated Oxygen Sensor
Table 16: Idle Air Control
Table 17: Ignition Switch
Table 18: Intake Air Temperature Sensor
Table 19: Knock Sensor
Table 20: Linear EGR Solenoid
Table 21: Manifold Absolute Pressure (MAP) Sensor-Manual
Table 22: Manifold Absolute Pressure (MAP) Sensor-Auto
Table 23: Oil Pressure Switch
Table 24: Oxygen Sensor
Table 25: Park/Neutral Position Switch
Table 26: Park/Neutral Position Switch
Table 27: Park/Neutral Position Switch
Table 28: Powertrain Control Module (PCM) --J1-LT BLU
Table 29: Powertrain Control Module (PCM)-J2-LT BLU
Table 30: Powertrain Control Module (PCM)-Automatic J3 --PNK
Table 31: Powertrain Control Module (PCM)-Manual J3-BRN
Table 32: Powertrain Control Module (PCM)-Automatic J4
Table 33: Starter Relay
Table 34: Throttle Position Sensor (TPS)

Air Pump


Object Number: 924429  Size: CH
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Connector Part Information

  • 12192968
  • Gray

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

RED

78

2.0

AIR PUMP RELAY

B

BLK

651

2.0

GROUND

Location: Engine Compartment -- Front Center

Air Pump Solenoid-1999 Only


Object Number: 924452  Size: CH
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Connector Part Information

  • 12105333
  • Brown

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

PNK/BLK

429A

.35

PCM

B

BLK

639X

.35

IGNITION

Location: Engine Compartment -- Front Center

Crankshaft Position Sensor


Object Number: 916846  Size: CH
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Connector Part Information

  • 12052642
  • Green

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

PPL

574-AUTO

574M-Man

.35

7X REF-LO

B

YEL

573-AUTO

573M-Man

.35

7X REF-HI

Location: Engine Compartment-On Lower Rear of Block

Electronic Ignition Module


Object Number: 917917  Size: CH
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Connector Part Information

  • 12160397
  • Green

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

PNK

1039

.35

IGN1

B

BLK/WHT

451C

.35

GROUND

C

ORN

406

.35

EST2-3 IN

D

BRN/WHT

633-AUTO

633M-Man

.35

CYLINDER 4 SIGNAL OUT

E

WHT

423

.35

EST 1-4 IN

Location: Engine Compartment-Center Front

Engine Coolant Temperature Sensor


Object Number: 917959  Size: CH
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Connector Part Information

  • 12092512
  • Black

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

YEL

410

.35

SENSOR INPUT SIGNAL

B

BLK

452MA-Man

452M-Auto

.35

RETURN

Location:Engine Compartment-Upper Left

Evaporative Cannister Vent Valve


Object Number: 884567  Size: CH
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Connector Part Information

  • 12052643
  • Red

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

PNK

39T

.35

IGN

B

WHT

1310B

.35

TO PCM

Location: On Fuel Filter Neck

Evaporative Emission Cannister Purge Solenoid


Object Number: 884567  Size: CH
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Connector Part Information

  • 12052643
  • Red

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

PNK

639B

.50

IGN1

B

DK GRN/WHT

428

.50

SOLENOID CONTROL

Location: Engine Compartment-Lower Rear on Block

EVO Solenoid


Object Number: 884567  Size: CH
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Connector Part Information

  • 12052643
  • Red

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

BRN

1295B

.35

EVO LOW

B

WHT

1294B

.35

EVO HI

Location: Engine Compartment-On Bottom of Power Steering Pump

Fuel Injectors-1&2


Object Number: 885051  Size: CH
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Connector Part Information

  • 12084126
  • Black

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

1

PNK

139A139B

.80

.80

B+ INJ 1

B+ INJ2

2

BLK

LT GRN/BLK

1744

1745

.80

.80

PCM CONT. INJ1

PCM CONT> INJ2

Fuel Injector-3&4


Object Number: 885051  Size: CH
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Connector Part Information

  • 12084126
  • Black

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

1

PNK

139C

139E

.80

.80

B+ INJ3

B+ IJN4

2

PNK/BLK

LT BLU/BLK

1746

844

.80

.80

PCM CONT. INJ3

PCM CONT. INJ4

Location: Engine Compartment-Rear

Fuel Tank Pressure Sensor


Object Number: 918005  Size: CH
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Connector Part Information

  • 12059595
  • Black

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

ORN/BLK

469B

.35

RETURN

B

DK GRN

890B

.35

TO PCM

C

GRA

416J

.35

5 V REF

Location: Rear Compartment-Left

Fuel Tank Unit


Object Number: 918685  Size: CH
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Connector Part Information

  • 12162189
  • Black

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

GRA

120A

120B

.80

FUEL PUMP FEED

B

BLK/WHT

251B

251C

.80

FUEL LEVEL SENSOR

C

PPL

30B

.80

FUEL LEVEL SENSOR

D

BLK

550Z

550EE

.80

W/ ABS GROUND

W/O ABS GROUND

Location: Top of Fuel Tank

Generator-1998 1st Design Only


Object Number: 924976  Size: CH
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Connector Part Information

  • 12191366
  • Gray

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

--

--

--

--

B

BRN/WHT

25A

.35

BATT CHARGE TT

C

BRN

641

.35

IGN

D

--

--

--

--

Location: Engine Compartment-Lower Rear

Generator


Object Number: 918688  Size: CH
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Connector Part Information

  • 15305338
  • Brown

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

--

--

--

--

B

BRN/WHT

25A

.35

BATT CHARGE TT

C

BRN

641

.35

IGN

D

--

--

--

--

Location: Engine Compartment-Lower Rear

Heated Oxygen Sensor


Object Number: 888009  Size: CH
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Connector Part Information

  • 12160482
  • Black

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

BLK/WHT

451L

.50

O2 SIGNAL GROUND

B

PPL/WHT

1668-AUTO

1668M-MAN

.35

O2 RETURN

C

DK GRN

1423

.35

O2 HEATER GROUND

D

PNK

639E

.80

O2 HEATER FEED

Location: Top of Rear Cradle Cross Member

Idle Air Control


Object Number: 884727  Size: CH
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Connector Part Information

  • 12162190
  • Black

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

LT GRN/BLK

444A

.35

IAC B LO

B

LT GRN/WHT

1749

.35

IAC B HI

C

LT BLU/BLK

1748

.35

IAC A LO

D

LT BLU/WHT

1747

.35

IAC A HI

Location: Engine Compartment-Center Rear Upper

Ignition Switch


Object Number: 918856  Size: CH
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Connector Part Information

  • 12064998
  • Black

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

RED

102A

3.0

B+

B

ORN

300

3.0

IGNITION SW OUTPUT- IGN 3

C

YEL

5

2.0

CRANK OUTPUT

D

LT GRN

80

.35

KEY MINDER SW SIGNAL

E

BLK

350V

.35

GROUND

F

PNK

3C

2.0

IGNITION SW OUTPUT-IGN 1

G

BRN

4

2.0

ACC OFF/RUN

H

RED

202

3.0

B+

Location: Steering Column

Intake Air Temperature Sensor


Object Number: 917959  Size: CH
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Connector Part Information

  • 12092512
  • Black

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

TAN

472A

.35

IAT SENSOR SIGNAL

B

BLK

452N-AUTO

452M-MAN

.35

IAT SENSOR RETURN

Location: Engine Compartment-Front Left

Knock Sensor


Object Number: 888049  Size: CH
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Connector Part Information

  • 12176800
  • Gray

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

DK BLU

496-AUTO

496M-MAN

.35

KNOCK SENSOR SIGNAL

Location: Rear Engine Block above Starter

Linear EGR Solenoid


Object Number: 919548  Size: CH
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Connector Part Information

  • 12186057
  • Black

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

LT BLU

697B-SOHC

697-DOHC

.50

LINEAR EGR SOLENOID CONTROL

B

BLK

452GG-SOHC

452G-DOHC

.50

RETURN TO PCM

C

BRN

1456A-SOHC

1456-DOHC

.50

LINEAR EGR FEEDBACK SIGNAL

D

GRA

416EE-SOHC

416E-DOHC

.50

5 V REF

E

PNK

639CC-SOHC

639C-DOHC

.50

IGN FEED

Location: Engine Compartment-Camcover-DOHC

Intake-SOHC

Manifold Absolute Pressure (MAP) Sensor-Manual


Object Number: 922792  Size: CH
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Connector Part Information

  • 12020403
  • Green

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

BLK

452HM

.50

MAP RETURN

B

LT GRN

432A

.50

MAP SIGNAL

C

GRA

416F

.50

MAP BATT

Location: Engine Compartment-Right Rear

Manifold Absolute Pressure (MAP) Sensor-Auto


Object Number: 922792  Size: CH
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Connector Part Information

  • 12020403
  • Green

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

BLK

452HM

.50

MAP RETURN

B

LT GRN

432A

.50

MAP SIGNAL

C

GRA

416F

.50

MAP BATT

Location: Engine Compartment-Right Rear

Oil Pressure Switch


Object Number: 884159  Size: CH
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Connector Part Information

  • 12052644
  • Gray

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

TAN

31A

.35

OIL PRESSURE SW

B

--

--

--

--

Location: Rear Engine Compartment Oil Filter

Oxygen Sensor


Object Number: 922814  Size: CH
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Connector Part Information

  • 12089916
  • GrayON HERE

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

PPL

412

.80

SIGNAL

Location: Engine Compartment-Center Front

Park/Neutral Position Switch


Object Number: 922821  Size: CH
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Connector Part Information

  • 12059642
  • LT Gray

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

PPL

6A

3.0

B+

B

PPL

6X

3.0

FEED TO STARTER SOLENOID

Location: Engine Compartment-Lower Left

Park/Neutral Position Switch


Object Number: 922824  Size: CH
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Connector Part Information

  • 12162260
  • Black

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

BLK/WHT

771

.50

SHIFT SEL 1

B

YEL

772

.50

SHIFT SEL 2

C

GRA

773

.50

SHIFT SEL 3

D

WHT

776

.50

SHIFT SEL D

E

LT GRN

24C

.50

REVERSE SWITCH

F

PNK

239A

.50

REVERSE SWITCH

Location: Engine Compartment-On Automatic Transaxle

Park/Neutral Position Switch


Object Number: 922829  Size: CH
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Connector Part Information

  • 12089640
  • Black

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

BLK/WHT

451K

2.0

GROUND

Location:Engine Compartment-On Automatic Transaxle

Powertrain Control Module (PCM) --J1-LT BLU


Object Number: 923032  Size: CH
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Connector Part Information

  • 12110207-J1
  • Lt BLU

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

C1

DK GRN

335

.35

COOLING FAN RELAY CONTROL

C2

TAN/BLK

456

.35

UPSHIFT TT-MANUAL

C3

BRN/WHT

419

.35

MILTT OUT

C4

YEL

172

.35

LOW FUEL TT CONTROL

C5

LT BLU

1888

.35

CRUISE CLUTCH OUT

C6

PPL

1885

.35

SERVICE TT OUT

C7

DK GRN

35

.35

COOLANT HOT TT OUT

C8

PPL

1807A

.35

CLASS 2-DLC

C9

--

--

--

--

C10

DK GRN/WHT

465

.35

FUEL PUMP RELAY OUT

C11

DK GRN

603

.50

A/C REQUEST INPUT

C12

PNK

439

.35

IGN 1

C13

--

--

--

--

C14

BRN

86B

.35

BRAKE SWITCH INPUT

C15

GRA

1884

.35

CRUISE RASC IN

C16

PPL/WHT

455

.35

FUEL GAGE SIGNAL

D1

GRA

729

.35

A/C CLUTCH RELAY CONTROL

D2

WHT

121

.35

TACH OUT

D3

DK GRN

135

.35

COOL TEMP GAGE OUT

D4

WHT

1294A

.35

EVO HI

D5

BRN

1295A

.35

EVO LO

D6

DK GRN

389

.35

SPEED SIGNAL OUT

D7

PNK

1886

.35

CRUISE MOVE OUT

D8

PPL

1807B

.35

CLASS 2 --ABS

D9

DK BLU

1446

.35

FLASH POWER

D10

--

--

--

--

D11

LT GRN

1887

.35

CRUISE WOT/IDLE OUT

D12

--

--

--

--

D13

ORN

1140

.80

12 V BATT

D14

LT BLU

1344A

.35

RKE TRUNK RELAY ENABLE

D15

GRA

416H

.35

5 V REF

D16

BLK

452K

.35

FLASH RTN

Location: Behind Left Side of I/P

Powertrain Control Module (PCM)-J2-LT BLU


Object Number: 923038  Size: CH
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Connector Part Information

  • 12110206-J2
  • LT BLU

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A1

PNK/BLK

1746

.80

CYL 3 INJ

A2

LT BLU/BLK

844

.80

CYL 4 INJ

A3

LT GRN/BLK

1745

.80

CYL 2 INJ

A4

WHT

1310A

.35

EVAP VENT VALVE

A5

BRN

1456A

1456

.50

LIN EGR FEEDBACK IN-SOHC

LIN EGR FEEDBACK IN-DOHC

A6

DK BLU

417A

.35

TPS IN

A7

LT GRN 432A

.50

MAP IN

A8

AN

472A

.35

INTAKE AIR TEMP SENSOR IN

A9

LT GRN/WHT

1749

.35

IAC B HI OUT

A10

LT GRN/BLK

444A

.35

IAC B LO OUT

A11

LT BLU/BLK

1748

.35

IAC A LO OUT

A12

LT BLU/WHT

1747

.35

IAC A HI OUT

B1

DK GRN/WHT

428

.50

CCP OUT

B2

BLK

1744

.80

CYL 1 INJ

B3

YEL

410

.35

COOLANT TEMP IN

B4

GRA

416B

.35

+5 V MAP/LEGR

B5

GRA

474

.35

+5 V TPS

B6

BLK/WHT

451E

.35

GROUND

B7

WHT

423

.35

EST 1-4

B8

ORN

406

.35

EST 2-3

B9

TAN/WHT

551C

551A

.80

GROUND-AUTO

GROUND-MANUAL

B10

LT BLU

697B

697

.50

LIN EGR SOL OUT-SOHC

LIN EGR SL OUT-DOHC

B11

PNK

639A

.50

LIN EGR RECIRC

B12

ORN

1140A

.80

12 V BAT

Location: Behind Left Side of I/P

Powertrain Control Module (PCM)-Automatic J3 --PNK


Object Number: 923042  Size: CH
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Connector Part Information

  • 12110245-J3
  • PNK

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

C1

BLK/WHT

1423A

.35

HEATED O2

C2

PNK/BLK

429A

.35

AIR PUMP SOLENOID-1999 ONLY

C3

--

--

--

--

C4

YEL/BLK

68A

.35

COOLANT LEVEL IN

C5

PPL

30E

.35

FUEL LEVEL IN

C6

--

--

--

--

C7

BRN

436

.35

AIR PUMP-1999 ONLY

C8-C9

--

--

--

--

C10

DK BLU

496

.35

KNOCK SENSOR IN

C11

TAN

413B

.80

HO2S LO IN

C12

PPL/WHT

1668

.35

HO2S HI IN

C13

TAN

413A

.80

O2 F LO IN

C14

PPL

412

.80

O2 F HI IN

C15

PPL

401

.35

VSS LO IN

C16

BLK

452G

452GG

.50

LEGR RTN-DOHC

LEGR RTN-SOHC

D1

BLK

452H

.50

MAP RETURN

D2

BLK/WHT

251E

.35

FUEL LEVEL RETURN

D3

BRN/WHT

633

.35

CYL #4 SIGNAL

D4-D6

--

--

--

--

D7

DK GRN

890A

.35

FUEL TANK PRESSURE

D8

BLK

452MD

.35

ECT SENSOR RETURN

D9

ORN/BLK

469B

.35

FUEL TANK PRESSURE SENSOR RETURN-1999 ONLY

D10

BLK

452N

.35

IAT SENSOR RETURN

D11

BLK

452J

.35

TPS RETURN

D12

--

--

--

--

D13

YEL

573

.35

7X HI IN

D14

PPL

574

.35

7X LO IN

D15

YEL

400

.35

VSS HI IN

D16

--

--

--

--

Location: Behind Left Side of I/P

Powertrain Control Module (PCM)-Manual J3-BRN


Object Number: 925221  Size: CH
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Connector Part Information

  • 12160779-J3
  • BRN

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

C1

BLK/PWHT

1423

.35

HEATED 02

C2

PNK/BLK

429A

.35

AIR PUMP SOLENOID-1999 ONLY

C3

--

--

--

--

C4

YEL/BLK

68AM

.35

COOLANT LEVEL IN

C5

PPL

30EM

.35

FUEL LEVEL IN

C6

--

--

--

--

C7

BRN

436

.35

AIR PUMP-1999 ONLY

C8-C9

--

--

--

--

C10

DK BLU

496M

.35

KNOCK SENSOR IN

C11

TAN

413BM

.80

HO2S LO IN

C12

PPL/WHT

1668M

.35

HO2S HI IN

C13

TAN

413AM

.80

O2S F LO IN

C14

PPL

412M

.35

O2S F HI IN

C15

PPL

401M

.35

VSS LO IN

C16

BLK

452G

452GG

.50

LEGR RTN-DOHC

LEGR RTN-SOHC

D1

BLK

452HM

.50

MAP RETURN

D2

BLK/WHT

251EM

.35

FUEL LEVEL RETURN

D3

BRN/WHT

633M

.35

CYL #4 SIGNAL

D4-D6

--

--

--

--

D7

DK GRN

890A

.35

FUEL TANK PRESSURE

D8

BLK

452MB

.35

ECT SENSOR RETURN

D9

ORN/BLK

469B

.35

FUEL TANK PRESSURE SENSOR RETURN-1999 ONLY

D10

BLK

452NM

.35

IAT SENSOR RETURN

D11

BLK

452JM

.35

TPS RETURN

D12

--

--

--

--

D13

YEL

573M

.35

7X HI IN

D14

PPL

574M

.35

7X LO IN

D15

YEL

400M

.35

VSS HI IN

D16

--

--

--

--

Location: Behind Left Side of I/P

Powertrain Control Module (PCM)-Automatic J4


Object Number: 923044  Size: CH
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Connector Part Information

  • 12110244-J4
  • PNK

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A1

--

--

--

--

A2

TAN/BLK

422

.50

TCC OUT

A3

DK BLU

1530

.50

MPL OUT

A4

--

--

--

--

A5

PPL

898

.50

4TH OUT

A6

YEL/BLK

1223

.50

3RD OUT

A7

LT GRN

1222

.50

2ND OUT

A8-A9

--

--

--

--

A10

BLK/WHT

451F

.35

GROUND

A11

BLK

452T

.35

TRANS FLUID TEMP SENSOR RTN

A12

--

--

--

--

B1

--

--

--

--

B2

GRA

773

.50

SEL SW B2

B3

YEL

772

.50

SEL SW B1

B4

BLK/WHT

771

.50

SEL SW B0

B5

WHT

776

.50

SEL SW B3

B6-B7

--

--

--

--

B8

ORN/BLK

586

.35

TRANS FLUID TEMP SENSOR IN

B9

TAN/WHT

551B

.80

GROUND

B10

RED/BLK

1230

.35

TURBINE SHAFT SPEED SENSOR HI IN

B11

DK BLU/WHT

1231

.35

TURBINE SHAFT SPEED SENSOR LO IN

B12

--

--

--

--

Location: Behind Left Side of I/P

Starter Relay


Object Number: 925313  Size: CH
Click here for detailed picture of above image.

Connector Part Information

  • 12110541
  • Black

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A1

YEL/BLK

625

.35

STARTER RELAY CONTROL

A2

YEL

575-AUTO

575A-MAN

5.0

SWITCHED CRANK FEED TO STARTER SOLENOID

B1-B2

--

--

--

--

C1

YEL

55A

2.0

CRANK FEED FROM IGNITION SWITCH

C2

YEL

5A

2.0

CRANK FEED FROM IGNITION SWITCH

Location: Taped to I/P Harness Forward of I/P Cluster

Throttle Position Sensor (TPS)


Object Number: 884996  Size: CH
Click here for detailed picture of above image.

Connector Part Information

  • 12129946
  • Black

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

BLK

452J-AUTO

452M-MAN

.35

TPS RTN AT PCM

B

DK BLU

417A

.35

TPS IN AT PCM

C

GRA

474

.35

5 V BATT

Location Engine Compartment-Center Rear


  Document ID# 1230356
1998 Saturn SL2/SC2/SW2