GM Service Manual Online
For 1990-2009 cars only
Table 1: Rear Object Sensor Control Module
Table 2: Rear Parking Assist (RPA) Display
Table 3: Rear Parking Assist (RPA) Diagnostic Connector
Table 4: Object Sensor -- LR Corner
Table 5: Object Sensor -- LR Middle
Table 6: Object Sensor -- RR Corner
Table 7: Object Sensor -- RR Middle

Rear Object Sensor Control Module


Object Number: 599191  Size: CH

Connector Part Information

    • OEM: 12124957
    • Service: 88987946
    • 26-Way F Amp MODU (BK)
    • TPA-(BU)

Pin

Wire Color

Circuit Number

Function

1

YE

2375

LR Corner Object Sensor Signal

2

OG

2376

LR Middle Object Sensor Signal

3

D-GN

2377

RR Middle Object Sensor Signal

4

PU

2378

RR Corner Object Sensor Signal

5

D-BU

2374

Object Sensor Supply Voltage

6

GY

2379

Object Sensor Low Reference

7-11

--

--

Not Used

12

BK

750

Ground

13

PK

1139

Ignition 1 Voltage

14

--

--

Not Used

15

L-GN

24

Backup Lamp Supply Voltage

16

L-GN

2525

Rear Parking Assist Diagnostic Signal

17

--

--

Not Used

18

D-GN/WH

817

Vehicle Speed Signal

19-21

--

--

Not Used

22

L-GN

1845

Chime Control

23

WH

2370

Telltale Assembly Supply Voltage

24

GY

2373

Red Indicator Control

25

D-BU

2372

Center Amber Indicator Control

26

OG

2371

Left Amber Indicator Control

Rear Parking Assist (RPA) Display


Object Number: 130635  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit Number

Function

A

WH

2370

Telltale Assembly Supply Voltage

B

OG

2371

Left Amber Indicator Control

C

D-BU

2372

Center Amber Indicator Control

D

GY

2373

Red Indicator Control

Rear Parking Assist (RPA) Diagnostic Connector


Object Number: 439818  Size: CH

Connector Part Information

    • OEM: 12047682
    • Service: 12101850
    • 1-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit Number

Function

A

L-GN

2525

Rear Parking Assist Diagnostic Signal

Object Sensor -- LR Corner


Object Number: 655785  Size: CH

Connector Part Information

    • OEM: 15324398
    • Service: 15306313
    • 3-Way F MQS Sealed (BK)

Pin

Wire Color

Circuit Number

Function

1

YE

2375

LR Corner Object Sensor Signal

2

GY

2379

Object Sensor Low Reference

3

D-BU

2374

Object Sensor Supply Voltage

Object Sensor -- LR Middle


Object Number: 655785  Size: CH

Connector Part Information

    • OEM: 15324398
    • Service: 15306313
    • 3-Way F MQS Sealed (BK)

Pin

Wire Color

Circuit Number

Function

1

OG

2376

LR Middle Object Sensor Signal

2

GY

2379

Object Sensor Low Reference

3

D-BU

2374

Object Sensor Supply Voltage

Object Sensor -- RR Corner


Object Number: 655785  Size: CH

Connector Part Information

    • OEM: 15324398
    • Service: 15306313
    • 3-Way F MQS Sealed (BK)

Pin

Wire Color

Circuit Number

Function

1

PU

2378

RR Corner Object Sensor Signal

2

GY

2379

Object Sensor Low Reference

3

D-BU

2374

Object Sensor Supply Voltage

Object Sensor -- RR Middle


Object Number: 655785  Size: CH

Connector Part Information

    • OEM: 15324398
    • Service: 15306313
    • 3-Way F MQS Sealed (BK)

Pin

Wire Color

Circuit Number

Function

1

D-GN

2377

RR Middle Object Sensor Signal

2

GY

2379

Object Sensor Low Reference

3

D-BU

2374

Object Sensor Supply Voltage