DESCRIPTION
The No. 1 stereo jack adapter assembly sends the sound signal from an external device to the navigation 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 stereo component amplifier assembly, navigation receiver assembly or speakers.
WIRING DIAGRAM
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - NO. 1 STEREO JACK ADAPTER ASSEMBLY) |
(a) Disconnect the N25 navigation receiver assembly connector.
(b) Disconnect the N3 No. 1 stereo jack adapter assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
N25-25 (ADPG) - N3-8 (AUXO) |
Always |
Below 1 Ω |
N25-26 (VAR+) - N3-5 (ARO) |
Always |
Below 1 Ω |
N25-28 (VAL+) - N3-6 (ALO) |
Always |
Below 1 Ω |
N25-27 (VA-) - N3-7 (ASGN) |
Always |
Below 1 Ω |
N25-11 (AGND) - N3-9 (AGND) |
Always |
Below 1 Ω |
N25-25 (ADPG) - Body ground |
Always |
10 kΩ or higher |
N25-26 (VAR+) - Body ground |
Always |
10 kΩ or higher |
N25-28 (VAL+) - Body ground |
Always |
10 kΩ or higher |
N25-27 (VA-) - Body ground |
Always |
10 kΩ or higher |
N25-11 (AGND) - Body ground |
Always |
10 kΩ or higher |
OK |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Reassembly
REASSEMBLY
PROCEDURE
1. INSPECT CENTER NO. 2 SUPPORT BEARING ASSEMBLY
(a) When turning the center No. 2 support bearing assembly with your hand, check
that it turns smoothly without catching and that there are no cracks or damage.
If there are any defects, replace it.
2. INSTALL CENTER NO. ...
Road Test
ROAD TEST
1. PROBLEM SYMPTOM CONFIRMATION
(a) Based on the result of the customer problem analysis, try to reproduce the
symptoms. If the problem is that the transmission does not shift up or down, or
that the shift point is too high or too low, conduct the following road test referring
to t ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
The ECM of this system is connected to the CAN communication system.
Therefore, before starting troubleshooting, make sure to check that there
is no trouble in the CAN and multiplex communication system.
*: Use the Techstream.
PROCEDURE
...