| Last Modified: 11-29-2007 | 1.6 J | |
| Service Category: Audio/Visual/Telematics | Section: Audio/Video | |
| Model Year: 2008 | Model: Sequoia | Doc ID: RM0000033VZ003X |
| Title: AUDIO / VIDEO: REAR SEAT ENTERTAINMENT SYSTEM: DESCRIPTION (2008 Sequoia) | ||
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Display Signal Circuit between Television Display Assembly and Navigation Receiver Assembly |
DESCRIPTION
This circuit sends a display signal from the television display assembly to the navigation receiver assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
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1. |
CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY - NAVIGATION RECEIVER ASSEMBLY) |
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(a) Disconnect the U2 television display assembly connector. |
(b) Disconnect the I5 navigation receiver assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
U2-11 (NTSC) - I5-1 (VV+) |
Always |
Below 1 Ω |
|
U2-10 (SGN1) - I5-4 (VV-) |
||
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U2-9 (SLD) - I5-4 (VV-) |
||
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U2-11 (NTSC) - Body ground |
Always |
10 kΩ or higher |
|
U2-10 (SGN1) - Body ground |
(d) Reconnect the television display assembly connector.
(e) Reconnect the navigation receiver assembly connector.
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2. |
INSPECT TELEVISION DISPLAY ASSEMBLY (NTSC SIGNAL) |
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(a) Using an oscilloscope, check the waveform.
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OK:
Waveform is as shown in the illustration.
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