| Last Modified: 4-30-2014 | 6.6 J | Doc ID: RM000001D1I001X |
| Model Year: 2006 | Model: LX470 | Prod Date Range: [05/2005 - ] |
| Title: NAVIGATION: NAVIGATION SYSTEM: No Sound and AUDIO OFF Displayed on Multi-Display when Power Switch Pressed; 2006 MY LX470 [05/2005 - ] | ||
|
No Sound and AUDIO OFF Displayed on Multi-Display when Power Switch Pressed |
INSPECTION PROCEDURE
PROCEDURE
|
1. |
CHECK FOR DTC (SERVICE CHECK MODE) |
(a)
Check for DTCs
![2006 MY LX470 [05/2005 - ]; NAVIGATION: NAVIGATION SYSTEM: DTC CHECK / CLEAR](../../../../stylegraphics/info.gif "2006 MY LX470 [05/2005 - ]; NAVIGATION: NAVIGATION SYSTEM: DTC CHECK / CLEAR")
.
| NG |
|
|
|
2. |
CHECK WIRE HARNESS (RADIO RECEIVER ASSEMBLY - BATTERY AND BODY GROUND) |
(a) Disconnect the R37 receiver connector.
(b) Measure the resistance of the wire harness side connector.
Standard resistance:
|
Tester Connection |
Specified Condition |
|---|---|
|
R37 - 20 (GND) - Body ground |
Below 1 Ω |
(c) Measure the voltage of the wire harness side connector.
Standard voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
R37-1 (+B) - Body ground |
Always |
10 to 14 V |
|
R37-11 (ACC) - Body ground |
Ignition switch ACC or ON |
10 to 14 V |
| NG |
|
|
|
3. |
CHECK AVC-LAN CIRCUIT |
(a)
Check the AVC-LAN circuit
.
| NG |
|
| OK |
|
|
|