Last Modified: 11-29-2007 1.6 J
Service Category: Audio/Visual/Telematics Section: Audio/Video
Model Year: 2008 Model: Sequoia Doc ID: RM0000033VU003X
Title: AUDIO / VIDEO: REAR SEAT ENTERTAINMENT SYSTEM: DESCRIPTION (2008 Sequoia)

Display Signal Circuit between Video Terminal and Television Display

DESCRIPTION

This is the display signal from the video terminal to the television display assembly.

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY - VIDEO TERMINAL)

(a) Disconnect the U2 television display assembly connector.

(b) Disconnect the S5 video terminal connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

U2-24 (ADPG) - S5-8 (ADPG)

Always

Below 1 Ω

U2-6 (VV+) - S5-5 (VV+)

U2-22 (VV-) - S5-6 (VV-)

U2-25 (SGN2) - S5-7 (SG)

U2-24 (ADPG) - Body ground

Always

10 kΩ or higher

U2-6 (VV+) - Body ground

U2-22 (VV-) - Body ground

U2-25 (SGN2) - Body ground

(d) Reconnect the television display assembly connector.

(e) Reconnect the video terminal connector.

OK

2.

INSPECT VIDEO TERMINAL

(a) Using an oscilloscope, check the waveform.

Reference

Terminal Connection

S5-5 (VV+) - Body ground

Tester Range

0.2 V/DIV., 0.2 μsec./DIV.

Vehicle Condition

External device is playing, VTR is displayed

OK:

Waveform is as shown in the illustration.
OK