Toyota Tacoma (2015-2018) Service Manual: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
- Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
Driver side power window does not operate with power window master switch |
Front power window regulator motor assembly LH |
|
|
Power window regulator master switch assembly |
|
|
|
Harness or connector |
- |
|
|
Front passenger side power window does not operate with front passenger side power window switch |
Power window regulator master switch assembly |
|
|
Front power window regulator motor assembly LH |
|
|
|
Harness or connector |
- |
|
|
Rear power window LH does not operate with rear power window switch LH*1 |
Rear power window regulator switch assembly LH |
|
|
Rear power window regulator motor assembly LH |
|
|
|
Harness or connector |
- |
|
|
Rear power window RH does not operate with rear power window switch RH*1 |
Rear power window regulator switch assembly RH |
|
|
Rear power window regulator motor assembly RH |
|
|
|
Harness or connector |
- |
|
|
Driver side power window auto down function does not operate with power window master switch (manual up / down function is normal) |
Power window regulator master switch assembly |
|
|
Front power window regulator motor assembly LH |
|
|
|
Harness or connector |
- |
|
|
Remote up / down function does not operate |
Power window regulator master switch assembly |
|
|
Driver side junction block |
|
|
|
Harness or connector |
- |
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- *1: for Double Cab
|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
Power back window does not operate*1 |
Rear No. 2 power window regulator switch assembly |
|
|
Power window regulator motor assembly |
|
|
|
Harness or connector |
- |
- *1: w/ Back Door Power Window
Operation Check
OPERATION CHECK
1. CHECK WINDOW LOCK FUNCTION
(a) Turn the ignition switch ON.
(b) Press the window lock switch of the power window regulator master switch
assembly.
HINT:
The illumination (LED ...
Other materials:
Operation Check
OPERATION CHECK
1. CHECK POWER DOOR LOCK OPERATION
NOTICE:
The operation check below is based on the non-customized initial condition of
the vehicle.
(a) Check basic functions.
(1) Check that all doors lock when the lock side of the door control switch is
pressed.
(2) Check that all doors ...
Sound Quality is Bad Only when CD is Played (Volume is Too Low)
PROCEDURE
1.
REPLACE CD AND RECHECK
(a) Replace the CD with a known good one and check that the malfunction disappears.
OK:
Malfunction disappears.
OK
END
NG
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY
...
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 ...
