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)
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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 |
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:
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful because intermittent conditions or signals ...
Precaution
PRECAUTION
1. IGNITION SWITCH EXPRESSIONS
(a) The type of ignition switch used on this model differs according to the specifications
of the vehicle. The expressions listed in the table below are used in this section.
Expression
Ignition Switch (Position)
Engine ...
Fail-safe Chart
FAIL-SAFE CHART
FAIL-SAFE FUNCTION
(a) When a malfunction occurs in the lane departure alert system, a message will
be displayed on the multi-information display in the combination meter assembly
and the lane departure alert system will be disabled depending on the malfunction.
War ...