Toyota Tacoma 2015-2018 Service Manual: 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 |
Touch Panel Switch does not Function
PROCEDURE
1.
CHECK MULTI-DISPLAY
(a) Check if there is any foreign matter caught between the display and exterior
frame of the multi-display.
OK:
No foreign matt ...
Vehicle Position Mark Deviates Greatly
CAUTION / NOTICE / HINT
NOTICE:
If standard size tires are not installed, the vehicle position mark
may deviate from the route even if the navigation system is operating normally.
...
Other materials:
Terminals Of Ecu
TERMINALS OF ECU
Text in Illustration
*a
Component without harness connected
(Skid Control ECU [Brake Actuator Assembly])
-
-
Terminal No. (Symbol)
Terminal Description
1 (GND2)
Pump motor g ...
Main Switch Signal Circuit
DESCRIPTION
When the wireless charger main switch (mobile wireless charger switch) is turned
on, this circuit sends an on signal to the mobile wireless charger cradle assembly
using the power supplied to the wireless charger main switch (mobile wireless charger
switch).
WIRING DIAGRAM
CAU ...
Portable Player cannot be Connected Manually/Automatically
CAUTION / NOTICE / HINT
HINT:
Some versions of "Bluetooth" compatible audio players may not function, or the
function may be limited using the navigation receiver assembly, even if the portable
audio player itself can play files (See page ).
PROCEDURE
1.
CHE ...