Collision Avoidance and Parking Assist Systems: Description and Operation

REAR VIEW MONITOR

System Description
- The rear view monitor is equipped to check the rearward of the vehicle with display when A/T selector lever is in reverse position.
- The lines of vehicle sides and the distance from the rear end of the vehicle are provided on display as a guide. It allows the driver to know the distance between the vehicle and a rearward object, and the width
of the vehicle much easier.

POWER SUPPLY AND GROUND
Power is supplied at all time
- through 10 A fuse [No. 19, located in fuse block (J/B)]
- to rear view camera control unit terminal 1.

When ignition switch is in ACC or ON position, power is supplied
- through 10 A fuse [No. 6, located in fuse block (J/B)]
- to rear view camera control unit terminal 2.

When ignition switch is in ON or START position, power is supplied
- through 10 A fuse (No. 83, located in IPDM E/R)
- to back-up lamp relay terminals 2 and 3.

Ground is supplied
- to rear view camera control unit terminal 3
- through grounds M35, M45 and M85.

AV COMMUNICATION LINE
Rear view camera control unit is connected to the following units with AV communication line. Each unit transmits/receives data with AV communication line.
- NAVI control unit
- Display
- Display control unit
- A/C and AV switch

REAR VIEW CAMERA OPERATION
When A/T selector lever is reverse position, power is supplied
- through back-up lamp relay terminal 1
- to TCM terminal 7.

Then back-up lamp relay is energized,
- from back-up lamp relay terminal 5
- to rear view camera control unit terminal 4.

Then, rear view camera control unit is sent camera ON signal
- through rear view camera control unit terminal 8
- to rear view camera terminal 1.

An image taken by rear view camera is sent
- through rear view camera terminals 3 and 4
- to rear view camera control unit terminals 10 and 9.

Then an image is sent
- through rear view camera control unit terminals 12 and 14
- to the display terminals 15 and 16.

An image of rear view will be projected on the display.

Side Distance Guideline
When A/T selector lever is in reverse position, rear view camera control unit is sent rear view camera guideline image
- through rear view camera control unit terminals 12 and 14
- to the display terminals 15 and 16.

Rear view camera guideline will be projected on the display.

Display shows image from rear view camera image and rear view camera guideline.