| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM1000000018FBO |
| Model Year Start: 2018 | Model: Sienna | Prod Date Range: [11/2017 - ] |
| Title: AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: Voice Guidance Circuit between Radio Receiver and Stereo Component Amplifier; 2018 - 2020 MY Sienna [11/2017 - ] | ||
|
Voice Guidance Circuit between Radio Receiver and Stereo Component Amplifier |
DESCRIPTION
This circuit is used when the voice switch of the steering pad switch assembly is pushed.
Using this circuit, the radio and display receiver assembly sends signals to the stereo component amplifier assembly.
WIRING DIAGRAM
PROCEDURE
|
1. |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - STEREO COMPONENT AMPLIFIER ASSEMBLY) |
(a) Disconnect the D198 radio and display receiver assembly connector.
(b) Disconnect the L56 stereo component amplifier assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
D198-3 (RL+) - L56-15 (II1+) |
Always |
Below 1 Ω |
|
D198-8 (RL-) - L56-14 (II1-) |
Always |
Below 1 Ω |
|
L56-18 (SLD1) - Body ground |
Always |
10 kΩ or higher |
|
D198-3 (RL+) or L56-15 (II1+) - Body ground |
Always |
10 kΩ or higher |
|
D198-8 (RL-) or L56-14 (II1-) - Body ground |
Always |
10 kΩ or higher |
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE (See page
|
![2018 MY Sienna [11/2017 - 08/2018]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: PROBLEM SYMPTOMS TABLE](/t3Portal/stylegraphics/info.gif)
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|