Toyota 4Runner: Poor Sound Quality in All Modes (Low Volume)
PROCEDURE
|
1. |
CHECK AUDIO SETTINGS |
(a) Set treble, middle and bass to the initial values and check that the sound is normal.
OK:
Malfunction disappears.
HINT:
Sound quality adjustment measures vary according to the type of amplifier.
| OK | .gif) |
END |
|
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|
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. ...
Cursor or Map Rotates when Vehicle Stopped
PROCEDURE
1.
CHECK CONDITION
(a) Check with the customer if the vehicle has been turned by a turntable.
OK:
Vehicle has not been turned by a turntab ...
Other materials about Toyota 4Runner:
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
HINT:
If a trouble code is stored during the DTC check, inspect the trouble areas listed
for that code. For details of the code, refer to the "See page" below.
Safety Connect System
DTC Code
D ...
Rear Door LH ECU Communication Stop (B2324)
DESCRIPTION
This DTC is stored when LIN communication between the rear power window regulator
motor assembly LH and main body ECU (multiplex network body ECU) stops for 10 seconds
or more.
DTC Code
DTC Detection Condition
...
0.0278