GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2005 🢒 Aztek - AWD 🢒 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: Blower Motor
Table 6: Blower Motor Control Processor
Table 7: Evaporator Temperature Sensor
Table 8: HVAC Control Module
Table 9: Mode Actuator
Table 10: Recirculation Actuator
Table 11: Sunload Sensor

A/C Compressor Clutch


Object Number: 537107 Size: CH

Connector Part Information
    • 15326801
    • 2-Way F GT 150 Series (L-GY)

Pin

Wire Color

Circuit No.

Function

A

D-GN

59

A/C Compressor Clutch Supply Voltage

B

BK

1050

Ground (3.4L)

BK

1450

Ground (3.6L)

A/C Refrigerant Pressure Sensor


Object Number: 258299 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

BK

2751

Low Reference

B

GY

2700

5-Volt Reference

C

RD/BK

380

A/C Refrigerant Pressure Sensor Signal

Air Temperature Actuator - Left


Object Number: 40427 Size: CH

Connector Part Information
    • 12064978
    • 6-Way F Micro-Pack 100 Series (GY)

Pin

Wire Color

Circuit No.

Function

1

BN

241

Ignition 3 Voltage

2

D-BU

1199

Left Air Temperature Door Control

3

BK

150

Ground

4

--

--

Not Used

5

L-BU

733

Left Air Temperature Door Position Signal

6

GY

598

5-Volt Reference

Air Temperature Actuator - Right


Object Number: 280764 Size: CH

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

Pin

Wire Color

Circuit No.

Function

5

BN

241

Ignition 3 Voltage

6

WH/BK

1236

Right Air Temperature Door Control

7

BK

150

Ground

8

--

--

Not Used

9

D-BU

1646

Right Air Temperature Door Position Signal

10

GY

598

5-Volt Reference

Blower Motor


Object Number: 62488 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

RD

--

Blower Motor Supply Voltage

B

BK

--

Ground

Blower Motor Control Processor


Object Number: 821354 Size: CH

Connector Part Information
    • 12105056
    • 4-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

RD

442

Battery Positive Voltage

2

OG

761

Blower Motor Speed Signal

3

GY/BK

754

Blower Motor Speed Control

4

BK

150

Ground

Evaporator Temperature Sensor


Object Number: 280768 Size: CH

Connector Part Information
    • 12052832
    • 2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

WH

2622

Evaporator Temperature Sensor Signal

B

BK

552

Low Reference

HVAC Control Module


Object Number: 130690 Size: CH

Connector Part Information
    • 12110206
    • 24-Way F Micro-Pack 100 Series (L-BU)

Pin

Wire Color

Circuit No.

Function

A1

BK

552

Low Reference

A2

--

--

Not Used

A3

WH

2622

Evaporator Temperature Sensor Signal

A4

L-BU/BK

590

Sunload Sensor Signal

A5-A6

--

--

Not Used

A7

GY/BK

754

Blower Motor Speed Control

A8

OG

761

Blower Motor Speed Signal

A9

--

--

Not Used

A10

BK

150

Ground

A11

BN

241

Ignition 3 Voltage

A12

OG

640

Battery Positive Voltage

B1

D-BU

1646

Right Air Temperature Door Position Signal

B2

L-BU

733

Left Air Temperature Door Position Signal

B3

YE/BK

713

Mode Door Position Signal

B4

GY

598

5-Volt Reference

B5

WH/BK

1236

Right Air Temperature Door Control

B6

D-BU

1199

Left Air Temperature Door Control

B7

TN

2273

Mode Door Control

B8

TN/BK

2274

Recirculation Door Control

B9

WH

1038

Class 2 Serial Data

B10

--

--

Not Used

B11

WH

193

Rear Defog Relay Control

B12

GY

8

Instrument Panel Lamp Supply Voltage

Mode Actuator


Object Number: 280764 Size: CH

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

Pin

Wire Color

Circuit No.

Function

5

BN

241

Ignition 3 Voltage

6

TN

2273

Mode Door Control

7

BK

150

Ground

8

--

--

Not Used

9

YE/BK

713

Mode Door Position Signal

10

GY

598

5-Volt Reference

Recirculation Actuator


Object Number: 280764 Size: CH

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

Pin

Wire Color

Circuit No.

Function

5

BN

241

Ignition 3 Voltage

6

TN/BK

2274

Recirculation Door Control

7

BK

150

Ground

8-10

--

--

Not Used

Sunload Sensor


Object Number: 821858 Size: CH

Connector Part Information
    • 15316639
    • 2-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

L-BU/BK

590

Sunload Sensor Signal

2

BK

552

Low Reference