GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2005 🢒 Epica 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 HVAC Connector End Views
Table 1: A/C Compressor Clutch
Table 2: A/C Refrigerant Pressure Sensor - 2.0L (MR 140)
Table 3: A/C Refrigerant Pressure Sensor - 2.0L (ITMS-6F)
Table 4: A/C Refrigerant Pressure Sensor - 2.5L (Sirius D6)
Table 5: Air Temperature Actuator
Table 6: Ambient Air Temperature Sensor
Table 7: Blower Motor
Table 8: Blower Motor Control Module
Table 9: Blower Motor Relay
Table 10: Coolant Temperature Sensor
Table 11: HVAC Control - A
Table 12: HVAC Control - B
Table 13: High Speed Blower Motor Relay
Table 14: Inside Air Temperature
Table 15: Mode Actuator
Table 16: Recirculation Actuator
Table 17: Sunload Sensor and Security Indicator

A/C Compressor Clutch


Object Number: 1497646 Size: CH

Connector Part Information
    • AK 32232
    • 2-Way Connector F
         (GY)

Pin

Wire Color

Circuit Number

Function

A

D-GN

59

A/C Compressor Clutch Supply Voltage

B

BK

150

Ground

A/C Refrigerant Pressure Sensor - 2.0L (MR 140)


Object Number: 1497742 Size: CH

Connector Part Information
    • AK 32316
    • 3-Way Connector F
         (BK)

Pin

Wire Color

Circuit Number

Function

A

BK/WH

1750

Ground

470 (RHD)

B

OG/BK

605

5-Volt Reference

C

RD/D-BU

380

A/C Refrigerant Pressure Sensor Signal

A/C Refrigerant Pressure Sensor - 2.0L (ITMS-6F)


Object Number: 1497742 Size: CH

Connector Part Information
    • AK 32316
    • 3-Way Connector F (BK)

Pin

Wire Color

Circuit Number

Function

A

OG/BK

469

Low Reference

B

L-BU/BK

1688

5-Volt Reference

C

RD/BK

380

A/C Refrigerant Pressure Sensor Signal

A/C Refrigerant Pressure Sensor - 2.5L (Sirius D6)


Object Number: 1497742 Size: CH

Connector Part Information
    • AK 32316
    • 3-Way Connector F
         (BK)

Pin

Wire Color

Circuit Number

Function

A

BK

470

Low Reference

B

GY/BK

469

5-Volt Reference

C

RD/BK

380

A/C Refrigerant Pressure Sensor Signal

Air Temperature Actuator


Object Number: 1467023 Size: CH

Connector Part Information
    • KET MG 610203
    • 7-Way F 118 (PA) Series (WH)

Pin

Wire Color

Circuit Number

Function

1

--

--

Not Used

2

BK

1199

Air Temperature

3

BN

1812

Low Reference

4

--

--

Not Used

5

YE

1791

Low Reference

6

YE/BK

1814

Lower Mode Door Position Signal

7

L-BU

1316

Air Temperature Door Control

Ambient Air Temperature Sensor


Object Number: 1468380 Size: CH

Connector Part Information
    • KUM PB 625-02027
    • 2-Way F NMWP 04F-B Ass'y (BK)

Pin

Wire Color

Circuit Number

Function

1

YE

61

Low Reference

2

L-GN/BK

735

Ambient Air Temperature Sensor Signal

Blower Motor


Object Number: 1468411 Size: CH

Connector Part Information
    • KET MG 610281
    • 2-Way F 312 Connector (WH)

Pin

Wire Color

Circuit Number

Function

1

PK

743

Blower Motor Speed Signal

2

YE

744

Blower Motor Supply Voltage

Blower Motor Control Module


Object Number: 1468410 Size: CH

Connector Part Information
    • KET MG 610269
    • 6-Way F 250 D/L Series

Pin

Wire Color

Circuit Number

Function

1

D-BU

188

Blower Motor Resistor Assembly Supply Voltage

2

--

--

Not Used

3

BK

350

Ground

4

GY/BK

754

Blower Motor Speed Control

5

--

--

Not Used

6

PK

743

Blower Motor Speed Signal

Blower Motor Relay


Object Number: 1497842 Size: CH

Connector Part Information
    • AK 36409
    • 9-Way F Relay

Pin

Wire Color

Circuit Number

Function

30

RD/D-BU

742

Battery Positive Voltage

85

BK

2250

Ground

86

BN/WH

41

Ignition 3 Voltage

87

YE/BK

744

Blower Motor Supply Voltage

Coolant Temperature Sensor


Object Number: 1467020 Size: CH

Connector Part Information
    • KET MG 610070
    • 2-Way F 090 (2.3 mm) Series (WH)

Pin

Wire Color

Circuit Number

Function

1

YE

61

Low Reference

2

GY/BK

1596

Coolant Temperature Sensor Signal

HVAC Control - A


Object Number: 1468412 Size: CH

Connector Part Information
    • KET MG 610360
    • 16-Way F PCB Connector

Pin

Wire Color

Circuit Number

Function

1

D-GN

1910

Inside Air Temperature Sensor Signal

2

PK/BK

1649

Recirculation Door Position Signal

3

OG

1140

Battery Positive Voltage

4

YE

61

Low Reference

5

--

--

Not Used

6

D-GN/WH

762

A/C Request Signal

7

D-BU/BK

247

High Speed Blower Relay Control

8

--

--

Not Used

9

YE

1791

Low Reference

10-11

--

--

Not Used

12

PK

239

Ignition 1 Voltage

13

BN/WH

309

Right Park Lamp Voltage

14

D-GN

44

Instrument Panel Lamps Dimmer Switch Control

15

L-BU

1316

Air Temperature Door Control

16

BK

350

Ground

HVAC Control - B


Object Number: 1467032 Size: CH

Connector Part Information
    • KET MG 610363
    • 20-Way F PCB 040 Series (WH)

Pin

Wire Color

Circuit Number

Function

1

PK/BK

1399

Mode Valve Signal

2

WH/BK

1398

Mode Valve Signal

3

YE/D-BU

1397

Lower Mode Valve Solenoid Control

4

PK

1396

Defrost Mode Valve Solenoid Control

5

D-GN/BK

1395

Upper Mode Valve Solenoid Control

6

--

--

Not Used

7

D-GN/BK

1647

Recirculation Door Control B

8

PK/WH

1648

Recirculation Door Control A

9

D-BU

188

Blower Motor Resistor Assembly Supply Voltage

10

BK

350

Ground

11

L-BU/BK

590

Sunload Sensor Signal

12

GY/BK

1596

Coolant Temperature Sensor Signal

13

L-GN/BK

735

Ambient Air Temperature Sensor Signal

14

D-GN

95

Windshield Wash Seitch Signal

15

BK

1199

Air Temperature Door Control

16

YE/BK

1814

Lower Mode Door Position Signal

17

BN

1812

Low Reference

18

--

--

Not Used

19

D-GN/RD

817

Vehicle Speed Signal

20

GY/BK

754

Blower Motor Speed Signal

High Speed Blower Motor Relay


Object Number: 1497842 Size: CH

Connector Part Information
    • AK 5443-R
    • 9-Way

Pin

Wire Color

Circuit Number

Function

30

PK

743

Blower Motor Speed Signal

85

D-BU/BK

247

High Speed Blower Motor Control

86

BN

41

Ignition 3 Voltage

87

BK

350

Ground

Inside Air Temperature


Object Number: 1468403 Size: CH

Connector Part Information
    • KET MG 620074
    • 2-Way M 090 Connector (2.3 mm)

Pin

Wire Color

Circuit Number

Function

1

YE

61

Low Reference

2

D-GN

1910

Inside Air Temperature Sensor Signal

Mode Actuator


Object Number: 1467023 Size: CH

Connector Part Information
    • KET MG 610203
    • 7-Way F 118 (PA) Series (WH)

Pin

Wire Color

Circuit Number

Function

1

YE/D-BU

1397

Lower Mode Valve Solenoid Control

2

PK

1396

Defrost Mode Valve Solenoid Control (LHD)

WH/BK

1398

Mode Valve Signal (RHD)

3

D-GN/BK

1395

Upper Mode Valve Solenoid Control (LHD)

PK/BK

1399

Mode Valve Signal (RHD)

4

BN

41

Ignition 3 Voltage

5

BK

350

Ground

6

PK/BK

1399

Mode Valve Signal (LHD)

D-GN/BK

1395

Upper Mode Valve Solenoid Control (RHD)

7

WH/BK

1398

Mode Valve Signal (LHD)

PK

1396

Defrost Mode Valve Solenoid Control (RHD)

Recirculation Actuator


Object Number: 1467023 Size: CH

Connector Part Information
    • KET MG 610203
    • 7-Way F 118 (PA) Series (WH)

Pin

Wire Color

Circuit Number

Function

1-3

--

--

Not Used

4

BN

41

Ignition 3 Voltage

5

PK/WH

1648

Recirculation Door Control A

6

--

--

Not Used

7

D-GN/BK

1647

Recirculation Door Control B

Sunload Sensor and Security Indicator


Object Number: 1468409 Size: CH

Connector Part Information
    • KET MG 610159
    • 4-Way F 090 Connector (2.3 mm) (WH)

Pin

Wire Color

Circuit Number

Function

1

OG

1140

Battery Positive Voltage

2

YE

749

Security Indicator Control

3

L-BU/BK

590

Sunload Sensor Signal

4

BK

61

Low Reference