| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM100000000VJ5F |
| Model Year Start: 2016 | Model: Sienna | Prod Date Range: [12/2015 - 11/2017] |
| Title: AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: Data Signal Circuit between Radio Receiver and Extension Module; 2016 - 2017 MY Sienna [12/2015 - 11/2017] | ||
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Data Signal Circuit between Radio Receiver and Extension Module |
DESCRIPTION
The stereo component tuner assembly sends the sound data signal or image data signal from a device to the radio and display receiver assembly via this circuit.
WIRING DIAGRAM
Refer to DTC B1532 (See page
![2016 - 2017 MY Sienna [12/2015 - 11/2017]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: B1532; LVDS Signal Malfunction (from Extension Module)+](/t3Portal/stylegraphics/info.gif)
).
PROCEDURE
|
1. |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - SATELLITE RADIO TUNER ASSEMBLY) |
(a) Disconnect the V6 and Z3 radio and display receiver assembly connectors.
(b) Disconnect the V4 and Z2 stereo component tuner assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
V6-1 (USV4) - V4-1 (USV4) |
Always |
Below 1 Ω |
|
V6-2 (US4-) - V4-2 (US4-) |
Always |
Below 1 Ω |
|
V6-3 (US4+) - V4-3 (US4+) |
Always |
Below 1 Ω |
|
V6-4 (UGD4) - V4-4 (UGD4) |
Always |
Below 1 Ω |
|
V6-5 (USG4) - V4-5 (USG4) |
Always |
Below 1 Ω |
|
Z3-4 (+B2) - Z2-4 (+B) |
Always |
Below 1 Ω |
|
Z3-3 (ACC2) - Z2-3 (ACC) |
Always |
Below 1 Ω |
|
Z3-8 (GND2) - Z2-8 (GND2) |
Always |
Below 1 Ω |
|
V6-1 (USV4) - Body ground |
Always |
10 kΩ or higher |
|
V6-2 (US4-) - Body ground |
Always |
10 kΩ or higher |
|
V6-3 (US4+) - Body ground |
Always |
10 kΩ or higher |
|
V6-4 (UGD4) - Body ground |
Always |
10 kΩ or higher |
|
V6-5 (USG4) - Body ground |
Always |
10 kΩ or higher |
|
Z3 (+B2) - Body ground |
Always |
10 kΩ or higher |
|
Z3 (ACC2) - Body ground |
Always |
10 kΩ or higher |
|
Z3 (GND2) - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE NO. 1 NAVIGATION WIRE |
|
|
2. |
CHECK NO. 1 NAVIGATION WIRE (LVDS COMMUNICATION LINE) |
(a) Replace the No. 1 navigation wire with a known good one.
(b) Check that the malfunction disappears.
OK:
Malfunction disappears.
| OK |
|
END (NO. 1 NAVIGATION WIRE [LVDS COMMUNICATION LINE] WAS DEFECTIVE) |
| NG |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE (See page
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