NAVIGATION SYSTEM(except Sedan) Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter
| DTC Code | DTC Name |
|---|---|
| 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.
The sound signal that has been sent is amplified by the stereo component amplifier assembly*1, and then is sent to the speakers.
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 stereo component amplifier assembly*1, radio and display receiver assembly or speakers.
*1: for 9 Speakers
WIRING DIAGRAM
PROCEDURE
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 1 STEREO JACK ADAPTER ASSEMBLY)
Disconnect the E60 radio and display receiver assembly connector.
Disconnect the u1 No. 1 stereo jack adapter assembly connector.
-
*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)
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection
Condition
Specified Condition
E60-25 (ADPG) - u1-9 (AUXO)
Always
Below 1 Ω
E60-11 (AGND) - u1-10 (AGND)
Always
Below 1 Ω
E60-26 (VAR+) - u1-6 (ARO)
Always
Below 1 Ω
E60-28 (VAL+) - u1-7 (ALO)
Always
Below 1 Ω
E60-27 (VA-) - u1-8 (ASGN)
Always
Below 1 Ω
E60-25 (ADPG) - Body ground
Always
10 kΩ or higher
E60-11 (AGND) - Body ground
Always
10 kΩ or higher
E60-26 (VAR+) - Body ground
Always
10 kΩ or higher
E60-28 (VAL+) - Body ground
Always
10 kΩ or higher
E60-27 (VA-) - Body ground
Always
10 kΩ or higher
Result
Proceed to
OK
NG
NG REPAIR OR REPLACE HARNESS OR CONNECTOR