GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Avalanche - 2WD 🢒 Body and Accessories 🢒 Rear Parking Assist 🢒 Rear Parking Assist Schematics
Figure 1:

Rear Object Sensor Control Module, RPA Display, RPA Disable Switch
Object Number: 834291 Size: FS
Master Electrical Component List
Object Detection Description and Operation
Rear Object Sensor Control Module and Object Sensors
Ignition, Run, Start, Accy Bus Bar
Gauges, VSS, Engine Oil Signals
O2A, O2B, TBC IGN 1, SEO IGN
Backup Lamps
Interior Lights and LED Dimming Control
I/P Dimming Supply Voltage - 5 of 7
I/P Dimming Supply Voltage - 5 of 7
G410 - 1 Of 3
G410 - 1 Of 3
G306
G203 - 1 Of 2
Figure 2:

Rear Object Sensor Control Module and Object Sensors
Object Number: 834322 Size: FS
Master Electrical Component List
Object Detection Description and Operation
Rear Object Sensor Control Module, RPA Display, RPA Disable Switch
G410 - 1 Of 3
G306