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:
Lost Communication with ECM / PCM "A" (U0100)
DESCRIPTION
DTC Code
DTC Detection Condition
Trouble Area
U0100
There is no communication from the ECM.
Power source or inside ECM
ECM main wire or connector
ECM
...
Turbine Speed Sensor Circuit No Signal (P0717)
DESCRIPTION
This sensor detects the rotation speed of the turbine which indicates the input
speed of the transmission. By comparing the input turbine speed signal NT with the
counter gear speed sensor signal SP2, the ECM detects the shift timing of the ge ...
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