| Last Modified: 11-27-2007 | 1.6 J | |
| Service Category: Audio/Visual/Telematics | Section: Audio/Video | |
| Model Year: 2008 | Model: LX570 | Doc ID: RM000002IPU009X |
| Title: AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: DESCRIPTION (2008 LX570) | ||
|
Mute Signal Circuit between Navigation Assembly and Multi-display Controller |
DESCRIPTION
The multi-display selector controls the volume according to the mute signal from the display and navigation module display.
The mute signal is sent to reduce noise and a popping sound generated when switching the mode, etc.
HINT:
- Only vehicles with a navigation system have this circuit.
- "Multi-display Controller" refers to the multi-display selector.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
|
1. |
CHECK MULTI-DISPLAY SELECTOR |
|
(a) Measure the voltage according to the value(s) in the table below. Standard Voltage:
|
|
|
2. |
CHECK HARNESS AND CONNECTOR (DISPLAY AND NAVIGATION MODULE DISPLAY - MULTI-DISPLAY SELECTOR) |
|
(a) Disconnect the F34 navigation module display connector. |
(b) Disconnect the L23 selector connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
F34-8 (MUTE) - L23-6 (MUT5) |
Always |
Below 1 Ω |
|
F34-8 (MUTE) - Body ground |
Always |
10 kΩ or higher |
|
|
|