Toyota 4Runner manuals

Toyota 4Runner: System Description

SYSTEM DESCRIPTION

1. GENERAL

(a) To assist the driver with parking the vehicle by displaying an image of the area behind the vehicle, this system has a rear television camera assembly mounted on the back door. The system displays the image on the navigation receiver assembly.

(b) This system consists of the following components:

(1) Navigation receiver assembly

(2) Television camera assembly

(3) Park/neutral position switch assembly

2. FUNCTION OF COMPONENTS

(a) The navigation receiver assembly controls the system by using information from the rear television camera assembly and park/neutral position switch assembly.

Item

Function

Rear Television Camera Assembly

  • Mounted on the back door to transmit an image of the area behind the vehicle to the navigation receiver assembly.
  • Has a color video camera that uses a CMOS (Complementary Metal Oxide Semiconductor) and wide-angle lens.

Navigation Receiver Assembly

  • Receives video signals, which contain an image of the area behind the vehicle taken with the rear television camera assembly.
  • Performs control of the system by receiving a shift position signal from the park/neutral position switch assembly.
  • Displays the rear view monitor image on the display panel.

Park/Neutral Position Switch Assembly

Transmits a reverse signal to the navigation receiver assembly.

3. OPERATION EXPLANATION

(a) The navigation receiver assembly receives the R position signal from the park/neutral position switch assembly when the shift lever is moved to R. After receiving the R position signal, the navigation receiver assembly switches from the navigation system to the rear view monitor system.

4. NOTES FOR REAR VIEW MONITOR

(a) Notes for the rear view monitor.

(1) The rear view monitor may not function properly if the camera is subjected to a severe blow by any hard object.

(2) Do not "scrub" the camera because it is made of resin. Scrubbing it may scratch the cover and affect the image. Prevent organic solvents, waxes, bond removing solvents, or glass coating from adhering to the cover. If anything adheres to the cover, clean it off immediately and wash it with water.

(3) Exposing the camera to a sudden temperature change may affect proper functioning of the camera.

(4) A clear image may not appear if the camera is dirty with snow, mud, etc. In that case, wash it with water and wipe off the lens. Use a detergent to remove dirt if necessary.

(b) Images are difficult to discern even in normal conditions if:

(1) The camera lens is dirty with snow, mud and etc.

(2) The vehicle is tilted at a steep angle.

(3) The camera lens is frosted over (the image immediately after turning the ignition switch to ON may be blurred or darker than normal).

(4) A strong beam of light, such as a sunbeam or headlight, hits the camera.

(5) It is too dark around the camera (at night, etc.).

(6) The ambient temperature around the camera is either too high or too low.

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