| Last Modified: 11-29-2007 | 1.6 J | |
| Service Category: Audio/Visual/Telematics | Section: Audio/Video | |
| Model Year: 2008 | Model: Sequoia | Doc ID: RM0000033VV003X |
| Title: AUDIO / VIDEO: REAR SEAT ENTERTAINMENT SYSTEM: DESCRIPTION (2008 Sequoia) | ||
|
Sound Signal Circuit between Radio Receiver and Television Display Assembly |
DESCRIPTION
This circuit sends a sound signal from the television display assembly to the radio receiver assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
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1. |
CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY - RADIO RECEIVER ASSEMBLY) |
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(a) Disconnect the U2 television display assembly connector. |
(b) Disconnect the I8 radio receiver assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
U2-28 (R+) - I8-2 (CDR+) |
Always |
Below 1 Ω |
|
U2-29 (R-) - I8-3 (CDR-) |
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U2-30 (L+) - I8-4 (CDL+) |
||
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U2-31 (L-) - I8-5 (CDL-) |
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U2-27 (SLD9) - I8-1 (CSLD) |
||
|
U2-28 (R+) - Body ground |
Always |
10 kΩ or higher |
|
U2-29 (R-) - Body ground |
||
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U2-30 (L+) - Body ground |
||
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U2-31 (L-) - Body ground |
||
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U2-27 (SLD9) - Body ground |
(d) Reconnect the television display assembly connector.
(e) Reconnect the radio receiver assembly connector.
|
|
2. |
INSPECT TELEVISION DISPLAY ASSEMBLY |
|
(a) Reconnect the U2 television display assembly connector. |
(b) Using an oscilloscope, check the waveform between each terminal and the body ground according to the conditions, as shown in the table below.
OK: Waveform:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
U2-28 (R+) - Body ground |
Audio sound is being produced |
A waveform synchronized with sound is output |
|
U2-29 (R-) - Body ground |
||
|
U2-30 (L+) - Body ground |
||
|
U2-31 (L-) - Body ground |
(c) Reconnect the television display assembly connector.
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