GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2007 🢒 Lucerne 🢒 HVAC 🢒 HVAC - Automatic 🢒 Object Detection Connector End Views
Connector 1: Object Alarm Module C1
Connector 2: Object Alarm Module C2
Connector 3: Object Alarm Sensor - Left Rear Corner
Connector 4: Object Alarm Sensor - Left Rear Middle
Connector 5: Object Alarm Sensor - Right Rear Corner
Connector 6: Object Alarm Sensor - Right Rear Middle
Connector 7: Rear Park Assist Indicator

Object Alarm Module C1
Object Number: 1664569 Size: CH

Connector Part Information

  • OEM: 31410-1120
  • Service: 89047364
  • Description: 12-Way F (BK)

Terminal Part Information

  • Pins: 1, 2, 4, 6, 7, 9, 10
  • Terminal/Tray: 7116-4618-02/14
  • Core/Insulation Crimp: P/P
  • Release Tool/Test Probe: J-38125-215/J-35616-64B (L-BU)

Object Alarm Module C1

Pin

Wire Color

Circuit No.

Function

1

RD/WH

4540

Ignition 1 Voltage

2

GY/BK

7035

Telltale Assembly Supply Voltage

3

--

--

Not Used

4

YE/BK

7036

Left Amber Indicator Control

5

--

--

Not Used

6

D-GN

5060

Low Speed GMLAN Serial Data

7

BK

750

Ground

8

--

--

Not Used

9

YE/WH

7037

Center Amber Indicator Control

10

TN/WH

7038

Red Indicator Control

11-12

--

--

Not Used

Object Alarm Module C2
Object Number: 1664573 Size: CH

Connector Part Information

  • OEM: 7283-9029-40
  • Service: 19115653
  • Description: 8-Way F (GY)

Terminal Part Information

  • Pins: 1, 2, 3, 4, 5, 8
  • Terminal/Tray: 7116-4618-02/14
  • Core/Insulation Crimp: P/P
  • Release Tool/Test Probe: J-38125-215/J-35616-64B (L-BU)

Object Alarm Module C2

Pin

Wire Color

Circuit No.

Function

1

PU

2378

RR Corner Object Sensor Signal

2

D-GN

2377

RR Middle Object Sensor Signal

3

OG

2376

LR Middle Object Sensor Signal

4

D-BU

2374

Object Sensor Supply Voltage

5

YE

2375

LR Corner Object Sensor Signal

6-7

--

--

Not Used

8

GY

2379

Object Sensor Low Reference

Object Alarm Sensor - Left Rear Corner
Object Number: 1664596 Size: CH

Connector Part Information

  • OEM: 31403-3700
  • Service: 88988337
  • Description: 3-Way F (BK)

Terminal Part Information

  • Terminal/Tray: 33468-0001/23
  • Core/Insulation Crimp: H/H
  • Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)

Object Alarm Sensor - Left Rear Corner

Pin

Wire Color

Circuit No.

Function

1

D-BU

2374

Object Sensor Supply Voltage

2

GY

2379

Object Sensor Low Reference

3

YE

2375

LR Corner Object Sensor Signal

Object Alarm Sensor - Left Rear Middle
Object Number: 1664596 Size: CH

Connector Part Information

  • OEM: 31403-3700
  • Service: 88988337
  • Description: 3-Way F (BK)

Terminal Part Information

  • Terminal/Tray: 33468-0001/23
  • Core/Insulation Crimp: H/H
  • Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)

Object Alarm Sensor - Left Rear Middle

Pin

Wire Color

Circuit No.

Function

1

D-BU

2374

Object Sensor Supply Voltage

2

GY

2379

Object Sensor Low Reference

3

OG

2376

LR Middle Object Sensor Signal

Object Alarm Sensor - Right Rear Corner
Object Number: 1664596 Size: CH

Connector Part Information

  • OEM: 31403-3700
  • Service: 88988337
  • Description: 3-Way F (BK)

Terminal Part Information

  • Terminal/Tray: 33468-0001/23
  • Core/Insulation Crimp: H/H
  • Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)

Object Alarm Sensor - Right Rear Corner

Pin

Wire Color

Circuit No.

Function

1

D-BU

2374

Object Sensor Supply Voltage

2

GY

2379

Object Sensor Low Reference

3

PU

2378

RR Corner Object Sensor Signal

Object Alarm Sensor - Right Rear Middle
Object Number: 1664596 Size: CH

Connector Part Information

  • OEM: 31403-3700
  • Service: 88988337
  • Description: 3-Way F (BK)

Terminal Part Information

  • Terminal/Tray: 33468-0001/23
  • Core/Insulation Crimp: H/H
  • Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)

Object Alarm Sensor - Right Rear Middle

Pin

Wire Color

Circuit No.

Function

1

D-BU

2374

Object Sensor Supply Voltage

2

GY

2379

Object Sensor Low Reference

3

D-GN

2377

RR Middle Object Sensor Signal

Rear Park Assist Indicator
Object Number: 130635 Size: CH

Connector Part Information

  • OEM: 12045813
  • Service: 12101889
  • Description: 4-Way F Metri-Pack 150 Series (NAT)

Terminal Part Information

  • Terminal/Tray: 12064971/5
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Rear Park Assist Indicator

Pin

Wire Color

Circuit No.

Function

A

GY/BK

7035

Telltale Assembly Supply Voltage

B

YE/BK

7036

Left Amber Indicator Control

C

YE/WH

7037

Center Amber Indicator Control

D

TN/WH

7038

Red Indicator Control