Sound of Portable Player cannot be Heard from Speakers or Sound is Low
PROCEDURE
|
1. | CHECK PORTABLE PLAYER SETTINGS |
(a) Check the portable player settings.
(1) Check that the volume is not set to "0".
(2) Check that mute is off.
(b) Check that the sound of the portable player can be heard from the speakers.
OK:
Sound of the portable player can be heard from the speakers.
| OK |
 | END |
|
NG |
 | |
(a) Check the audio settings.
(1) Check that the volume is not set to "0".
(b) Check that the sound of the portable player can be heard from the speakers.
OK:
Sound of the portable player can be heard from the speakers.
| OK |
| END |
|
NG | |
| |
| 3. |
CHECK USING ANOTHER "Bluetooth" AUDIO COMPATIBLE VEHICLE OF SAME MODEL |
(a)
Check that the sound of the portable player can be heard from the
speakers of another "Bluetooth" audio compatible vehicle of the same
model.
OK:
Sound of the portable player can be heard from the speakers.
| OK |
| PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| NG |
| MALFUNCTION IN PORTABLE PLAYER |
Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier
DESCRIPTION
The radio and display receiver assembly sends a sound signal to the stereo component amplifier assembly via this circuit.
The sound signal that is sent is amplified by the stereo component amplifier assembly, and then is sent to the speakers.
If
there is an open or short in this circuit, sound cannot be heard from
the speakers even if the stereo component amplifier assembly or speakers
are not malfunctioning.
WIRING DIAGRAM
PROCEDURE
| 1. |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - STEREO COMPONENT AMPLIFIER ASSEMBLY) |
(a) Disconnect the G14 radio and display receiver assembly connector.
(b) Disconnect the G8 stereo component amplifier assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection | Condition |
Specified Condition |
|
G8-5 (R+) - G14-1 (FR+) |
Always | Below 1 Ω |
|
G8-4 (R-) - G14-6 (FR-) |
Always | Below 1 Ω |
|
G8-3 (L+) - G14-2 (FL+) |
Always | Below 1 Ω |
|
G8-2 (L-) - G14-7 (FL-) |
Always | Below 1 Ω |
|
G8-6 (SLD) - Body ground |
Always | 10 kΩ or higher |
|
G8-5 (R+) or G14-1 (FR+) - Body ground |
Always | 10 kΩ or higher |
|
G8-4 (R-) or G14-6 (FR-) - Body ground |
Always | 10 kΩ or higher |
|
G8-3 (L+) or G14-2 (FL+) - Body ground |
Always | 10 kΩ or higher |
|
G8-2 (L-) or G14-7 (FL-) - 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 |
