DESCRIPTION
The No. 1 stereo jack adapter assembly sends the sound signal from an external device to the navigation ECU sub-assembly via this circuit.
The sound signal that has been sent is amplified by the stereo component amplifier assembly, 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 or speakers.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
CHECK HARNESS AND CONNECTOR (NAVIGATION ECU SUB-ASSEMBLY - NO. 1 STEREO JACK ADAPTER ASSEMBLY)
*a | Front view of wire harness connector (to Navigation ECU Sub-assembly) |
*b | Front view of wire harness connector (to No. 1 Stereo Jack Adapter Assembly) |
Disconnect the navigation ECU sub-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 | |||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
OK |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here