Toyota 4Runner: Poor Sound Quality in All Modes (Low Volume)
PROCEDURE
|
1. |
CHECK AUDIO SETTINGS |
(a) Set "Treble", "Mid" and "Bass" to the initial values and check that sound is normal.
OK:
Malfunction disappears.
HINT:
Sound quality adjustment measures vary according to the type of amplifier.
| OK | .gif) |
END |
|
.gif)
|
2. |
COMPARE WITH ANOTHER VEHICLE OF SAME MODEL |
(a) Compare with another vehicle of the same model which does not have trouble to see if there is any difference in the sound quality.
OK:
No difference is found.
| OK | |
END |
| NG | |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
Screen Flicker or Color Distortion
PROCEDURE
1.
CHECK DISPLAY SETTING
(a) Reset display settings (contrast, brightness) and check that the screen appears
normal.
OK:
The display returns to normal. ...
Voice Guidance does not Function
PROCEDURE
1.
CHECK VOICE GUIDANCE SETTING
(a) Display the "Voice Settings" screen.
(b) Check if the "Voice Recognition Prompts" is not "Off& ...
Other materials about Toyota 4Runner:
System Diagram
SYSTEM DIAGRAM
Communication Table
Sender
Receiver
Signal
Line
Combination meter assembly
Main body ECU (Multiplex network body ECU)
Vehicle speed signal
CAN
...
Front passenger occupant classification system
Your vehicle is equipped with a front passenger occupant classification
system. This system detects the conditions of the front passenger seat and
activates or deactivates the devices for the front passenger.
1. SRS warning light
2. Front passenger’ ...
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