| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM100000000VJ1G |
| Model Year Start: 2016 | Model: Sienna | Prod Date Range: [12/2015 - 11/2017] |
| Title: AUDIO / VIDEO: REAR SEAT ENTERTAINMENT SYSTEM: AVC-LAN Circuit; 2016 - 2017 MY Sienna [12/2015 - 11/2017] | ||
|
AVC-LAN Circuit |
DESCRIPTION
Each unit of the rear seat entertainment system connected to the AVC-LAN (communication bus) transmits switch signals through the AVC-LAN.
If a short to +B or short to ground occurs in the AVC-LAN, the rear seat entertainment system will not function normally because communication is not possible.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
HINT:
The radio and display receiver assembly is the master unit (w/o Navigation System).
The navigation receiver assembly is the master unit (w/ Navigation System).
PROCEDURE
|
1. |
CONFIRM MODEL |
(a) Choose the model to be inspected.
Result
|
Result |
Proceed to |
|---|---|
|
w/o Navigation System |
A |
|
w/ Navigation System |
B |
| B |
|
|
|
2. |
INSPECT RADIO AND DISPLAY RECEIVER ASSEMBLY |
(a) Remove the radio and display receiver assembly (See page
![2016 - 2017 MY Sienna [12/2015 - 11/2017]; AUDIO / VIDEO: RADIO RECEIVER: REMOVAL](/t3Portal/stylegraphics/info.gif)
).
|
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
Text in Illustration
|
|
| NG |
|
|
|
3. |
CHECK HARNESS AND CONNECTOR (AVC-LAN CIRCUIT) |
(a) Disconnect the D161 radio and display receiver assembly connector.
(b) Disconnect the T27 television display assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
D161-9 (TX+) - T27-18 (TX1+) |
Always |
Below 1 Ω |
|
D161-10 (TX-) - T27-19 (TX1-) |
Always |
Below 1 Ω |
|
D161-9 (TX+) or T27-18 (TX1+) - Body ground |
Always |
10 kΩ or higher |
|
D161-10 (TX-) or T27-18 (TX1-) - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
4. |
CHECK HARNESS AND CONNECTOR (AVC-LAN CIRCUIT) |
(a) Disconnect the D70 disc player assembly connector.
(b) Disconnect the T27 television display assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
D70-9 (TX+) - T27-20 (TX2+) |
Always |
Below 1 Ω |
|
D70-10 (TX-) - T27-21 (TX2-) |
Always |
Below 1 Ω |
|
D70-9 (TX+) or T27-20 (TX2+) - Body ground |
Always |
10 kΩ or higher |
|
D70-10 (TX-) or T27-21 (TX2-) - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
5. |
INSPECT MALFUNCTIONING PARTS |
(a) Disconnect and reconnect each slave unit one by one until the master unit returns to normal operation.
HINT:
- Check all slave units.
- If disconnecting a slave unit causes the master unit to return to normal operation, the slave unit is defective and should be replaced.
OK:
Master unit returns to normal operation.
| OK |
|
REPLACE MALFUNCTIONING PARTS |
| NG |
|
|
6. |
INSPECT NAVIGATION RECEIVER ASSEMBLY |
(a) Remove the navigation receiver assembly (See page
).
|
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
Text in Illustration
|
|
| NG |
|
|
|
7. |
CHECK HARNESS AND CONNECTOR (AVC-LAN CIRCUIT) |
(a) Disconnect the D160 navigation receiver assembly connector.
(b) Disconnect the T27 television display assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
D160-9 (TX+) - T27-18(TX1+) |
Always |
Below 1 Ω |
|
D160-10 (TX-) - T27-19 (TX1-) |
Always |
Below 1 Ω |
|
D160-9 (TX+) or T27-18 (TX1+) - Body ground |
Always |
10 kΩ or higher |
|
D160-10 (TX-) or T27-19 (TX1-) - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
8. |
CHECK HARNESS AND CONNECTOR (AVC-LAN CIRCUIT) |
(a) Disconnect the D70 disc player assembly connector.
(b) Disconnect the T27 television display assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
D70-9 (TX+) - T27-20 (TX2+) |
Always |
Below 1 Ω |
|
D70-10 (TX-) - T27-21 (TX2-) |
Always |
Below 1 Ω |
|
D70-9 (TX+) or T27-20 (TX2+) - Body ground |
Always |
10 kΩ or higher |
|
D70-10 (TX-) or T27-21 (TX2-) - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
9. |
INSPECT MALFUNCTIONING PARTS |
(a) Disconnect and reconnect each slave unit one by one until the master unit returns to normal operation.
HINT:
- Check all slave units.
- If disconnecting a slave unit causes the master unit to return to normal operation, the slave unit is defective and should be replaced.
OK:
Master unit returns to normal operation.
| OK |
|
REPLACE MALFUNCTIONING PARTS |
| NG |
|
|
|