Navigation System Avc-Lan Circuit

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

INSPECT RADIO AND DISPLAY RECEIVER ASSEMBLY

CHECK HARNESS AND CONNECTOR (AVC-LAN CIRCUIT)

INSPECT MALFUNCTIONING PARTS

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

NOTICE:

After replacing the radio and display receiver assembly of vehicles subscribed to pay-type satellite radio broadcasts, XM radio ID registration is necessary (w/ SDARS System).

HINT:

The radio and display receiver assembly is the master unit.

1. Disconnect the radio and display receiver assembly connectors.
   

2. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Condition	Specified Condition
   f3-9 (AVC+) - f3-10 (AVC-)	Always	60 to 80 Ω

   Text in Illustration

   *a	Component without harness connected (Radio and Display Receiver Assembly)

1. Disconnect the radio and display receiver assembly connector.
   

2. Disconnect the extension module connector.
   

3. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Condition	Specified Condition
   f3-9 (AVC+) - f1-2 (AVC+)	Always	Below 1 Ω
   f3-10 (AVC-) - f1-3 (AVC-)	Always	Below 1 Ω
   f3-9 (AVC+) - Body ground	Always	10 kΩ or higher
   f3-10 (AVC-) - Body ground	Always	10 kΩ or higher

1. Disconnect and reconnect each slave unit one by one until the master unit returns to normal operation.
   

   HINT:

   1. Check all slave units.
      
   2. 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.