GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2003 🢒 Park Avenue 🢒 HVAC 🢒 HVAC Systems - Automatic 🢒 HVAC Connector End Views
Table 1: A/C Compressor Clutch
Table 2: A/C Refrigerant Pressure Sensor
Table 3: Air Temperature Actuator -- Left
Table 4: Air Temperature Actuator -- Right
Table 5: Air Temperature Sensor -- Inside
Table 6: Air Temperature Sensor -- Lower Left
Table 7: Air Temperature Sensor -- Lower Right
Table 8: Air Temperature Sensor -- Upper Left
Table 9: Air Temperature Sensor -- Upper Right
Table 10: Air Temperature Switch Assembly -- Right
Table 11: Ambient Air Temperature Sensor
Table 12: Blower Motor
Table 13: Blower Motor Control Processor
Table 14: HVAC Control Module
Table 15: Instrument Panel Integration Module (IPM) C1
Table 16: Instrument Panel Integration Module (IPM) C2
Table 17: Mode Actuator
Table 18: Recirculation Actuator
Table 19: Sunload Sensor -- Left
Table 20: Sunload Sensor -- Right

A/C Compressor Clutch


Object Number: 62440 Size: CH

Connector Part Information
    • 12124823
    • 2-Way F Metri-Pack 150 Series, Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

59

A/C Compressor Clutch Supply Voltage

B

BLK

50

Ground

A/C Refrigerant Pressure Sensor


Object Number: 219804 Size: CH

Connector Part Information
    • 12110192
    • 3-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

808

Low Reference

B

GRY

474

5 Volt Reference

C

RED/BLK

380

A/C Refrigerant Pressure Sensor Signal

Air Temperature Actuator -- Left


Object Number: 280764 Size: CH

Connector Part Information
    • 12064993
    • 6-Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

5

BRN

541

Ignition 3 Voltage

6

DK BLU/WHT

1199

Left Air Temperature Door Control

7

YEL

1791

Low Reference

8

--

--

Not Used

9

LT BLU

733

Left Air Temperature Door Position Signal

10

GRY

705

5 Volt Reference

Air Temperature Actuator -- Right


Object Number: 280764 Size: CH

Connector Part Information
    • 12064993
    • 6-Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

5

BRN

541

Ignition 3 Voltage

6

WHT/BLK

1236

Right Air Temperature Door Control

7

YEL

1791

Low Reference

8

--

--

Not Used

9

DK BLU

1646

Right Air Temperature Door Position Sensor Signal

10

GRY

705

5 Volt Reference

Air Temperature Sensor -- Inside


Object Number: 35455 Size: CH

Connector Part Information
    • 12059252
    • 2-Way M Metri-Pack 150 Series (RED)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

734

Inside Air Temperature Sensor Signal

B

YEL

61

Low Reference

Air Temperature Sensor -- Lower Left


Object Number: 82383 Size: CH

Connector Part Information
    • 12047662
    • 2-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

518

Lower Left Air Temperature Sensor Signal

B

YEL

61

Low Reference

Air Temperature Sensor -- Lower Right


Object Number: 82383 Size: CH

Connector Part Information
    • 12047662
    • 2-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

520

Lower Right Air Temperature Sensor Signal

B

YEL

61

Low Reference

Air Temperature Sensor -- Upper Left


Object Number: 82383 Size: CH

Connector Part Information
    • 12047662
    • 2-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

516

Upper Left Air Temperature Sensor Signal

B

YEL

61

Low Reference

Air Temperature Sensor -- Upper Right


Object Number: 82383 Size: CH

Connector Part Information
    • 12047662
    • 2-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

517

Upper Right AirTemperature Sensor Signal

B

YEL

61

Low Reference

Air Temperature Switch Assembly -- Right


Object Number: 280764 Size: CH

Connector Part Information
    • 12064993
    • 6-Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

5

GRY

8

Instrument Panel Lamp Supply Voltage - 1

6

--

--

Not Used

7

BLK

351

Ground

8

TAN

1812

Low Reference

9

BLK

291

Passenger HVAC Control Assembly Lamp Supply Voltage

10

DK BLU/WHT

831

Right Air Temperature Assembly Signal

Ambient Air Temperature Sensor


Object Number: 232831 Size: CH

Connector Part Information
    • 12162195
    • 2-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN/BLK

735

Ambient Air Temperature Sensor Signal

B

YEL

61

Low Reference

Blower Motor


Object Number: 62488 Size: CH

Connector Part Information
    • 12084957
    • 2-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

--

Blower Motor Supply Voltage

B

WHT

--

Blower Motor Control

Blower Motor Control Processor


Object Number: 73229 Size: CH

Connector Part Information
    • 12129566
    • 4-Way F Metri-Pack 280 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK

450

Ground

B

RED

242

Battery Positive Voltage

C

GRY/BLK

754

Blower Motor Speed Control

D

--

--

Not Used

HVAC Control Module


Object Number: 73152 Size: CH

Connector Part Information
    • 12110259
    • 16-Way F Micro-Pack 100 Series (GRN)

Pin

Wire Color

Circuit No.

Function

A1-A6

--

--

Not Used

A7

BRN

341

Ignition 3 Voltage

A8

BLK/WHT

351

Ground

B1

LT BLU

1880

HVAC Control Module Data Signal

B2

PPL

1881

HVAC Control Module Clock Signal

B3

GRY

8

Instrument Panel Lamp Supply Voltage - 1

B4-B8

--

--

Not Used

Instrument Panel Integration Module (IPM) C1


Object Number: 130690 Size: CH

Connector Part Information
    • 12110206
    • 24-Way F Micro-Pack 100 Series (LT BLU)

Pin

Wire Color

Circuit No.

Function

A1

GRY

705

5 Volt Reference

A2

DK GRN

892

Mode Door Position Signal

A3

--

--

Not Used

A4

RED

708

Mode Door Position Signal

A5

LT BLU

733

Left Air Temperature Door Position Signal

A6

DK BLU

1646

Right Air Temperature Door Position Sensor Signal

A7

YEL

1791

Low Reference

A8

YEL

1318

Mode Door Control

A9

--

--

Not Used

A10

BRN/WHT

1218

Recirculation Door Control

A11

DK BLU

1199

Left Air Temperature Door Control

A12

WHT/BLK

1236

Right Air Temperature Door Control

B1

LT GRN/BLK

735

Ambient Air Temperature Sensor Signal

B2

LT BLU/BLK

590

Left Solar Sensor Signal

B3

GRY

1548

Passenger Solar Sensor Signal

B4

DK GRN

734

Inside Air Temperature Sensor Signal

B5

DK BLU/WHT

831

Right Air Temperature Asembly Signal

B6

BLK

516

Upper Left Air Temperature Sensor Signal

B7

TAN

517

Upper Right Air Temperature Sensor Signal

B8

YEL

61

Low Reference

B9

BLK

518

Lower Left Air Temperature Sensor Signal

B10-B12

--

--

Not Used

Instrument Panel Integration Module (IPM) C2


Object Number: 73157 Size: CH

Connector Part Information
    • 12110207
    • 32-Way F Micro-Pack 100 Series (LT BLU)

Pin

Wire Color

Circuit No.

Function

C1

ORN

840

Battery Positive Voltage

C2

BRN

341

Ignition 3 Voltage

C3

--

--

Not Used

C4

DK GRN

835

Entertainment and Comfort Serial Data

C5-C6

--

--

Not Used

C7

PPL

1807

Class 2 Serial Data (Primary)

C8

PPL

1807

Class 2 Serial Data (Primary)

C9-C11

--

--

Not Used

C12

LT BLU

1880

HVAC Control Module Data Signal

C13

PPL

1881

HVAC Control Module Clock Signal

C14

--

--

Not Used

C15

TAN

1812

Low Reference

C16

--

--

Not Used

D1-D2

--

--

Not Used

D3

BLK

520

Lower Right Air Temperature Sensor Signal

D4-D5

--

--

Not Used

D6

BLK

291

Passenger HVAC Control Assembly Lamp Supply Voltage

D7-D10

--

--

Not Used

D11

GRY/BLK

754

Blower Motor Speed Control

D12-D13

--

--

Not Used

D14

PPL/WHT

724

Vacuum Fluorescent (VF) Dimming Signal

D15

--

--

Not Used

D16

BLK/WHT

351

Ground

Mode Actuator


Object Number: 280764 Size: CH

Connector Part Information
    • 12064993
    • 6-Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

5

BRN

541

Ignition 3 Voltage

6

LT GRN

1318

Mode Door Control

7

YEL

1791

Low Reference

8

--

--

Not Used

9

YEL/BLK

892

Mode Door Position Signal

10

GRY

705

5 Volt Reference

Recirculation Actuator


Object Number: 280764 Size: CH

Connector Part Information
    • 12064993
    • 6-Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

5

BRN

541

Ignition 3 Voltage

6

BRNWHT

1218

Recirculation Door Control

7

YEL

1791

Low Reference

8

--

--

Not Used

9

RED

708

Recirculation Door Position Signal

10

GRY

705

5 Volt Reference

Sunload Sensor -- Left


Object Number: 258301 Size: CH

Connector Part Information
    • 12124650
    • 2-Way M Metri-Pack 150 Series (GRN)

Pin

Wire Color

Circuit No.

Function

A

LT BLU/BLK

590

Left Sun Load Sensor Signal

B

YEL

61

Low Reference

Sunload Sensor -- Right


Object Number: 258301 Size: CH

Connector Part Information
    • 15304834
    • 2-Way M Metri-Pack 150 Series (GRN)

Pin

Wire Color

Circuit No.

Function

A

GRY

1548

Passenger Solar Sensor Signal

B

YEL

61

Low Reference