Navigation System Sound Signal Circuit Between Radio Receiver And Stereo Jack Adapter
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 1 STEREO JACK ADAPTER ASSEMBLY)
NAVIGATION SYSTEM - Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter |
DESCRIPTION
The No. 1 stereo jack adapter assembly sends the sound signal from an external device to the radio and display receiver assembly via this circuit.If there is an open or short in the circuit, sound cannot be heard from the speakers even if there is no malfunction in the radio and display receiver assembly, extension module or speakers.
WIRING DIAGRAM
INSPECTION PROCEDURE
| 1.CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 1 STEREO JACK ADAPTER ASSEMBLY) |
Disconnect the radio and display receiver assembly connector.
Disconnect the No. 1 stereo jack adapter assembly connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection
| Condition
| Specified Condition
|
E129-25 (AUXI) - E120-9 (AUXO)
| Always
| Below 1 Ω
|
E129-11 (AGND) - E120-10 (AGND)
| Always
| Below 1 Ω
|
E129-26 (ARI) - E120-6 (ARO)
| Always
| Below 1 Ω
|
E129-28 (ALI) - E120-7 (ALO)
| Always
| Below 1 Ω
|
E129-27 (ASGN) - E120-8 (ASGN)
| Always
| Below 1 Ω
|
E129-25 (AUXI) - Body ground
| Always
| 10 kΩ or higher
|
E129-11 (AGND) - Body ground
| Always
| 10 kΩ or higher
|
E129-26 (ARI) - Body ground
| Always
| 10 kΩ or higher
|
E129-28 (ALI) - Body ground
| Always
| 10 kΩ or higher
|
E129-27 (ASGN) - Body ground
| Always
| 10 kΩ or higher
|
Text in Illustration*a
| Front view of wire harness connector
(to Radio and Display Receiver Assembly)
|
*b
| Front view of wire harness connector
(to No. 1 Stereo Jack Adapter Assembly)
|
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
