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:
Charging Failure
PROCEDURE
1.
CHECK GENERATOR PULLEY WITH CLUTCH (ON-VEHICLE INSPECTION)
(a) Start the engine and visually check if the fan of the generator rotor assembly
located inside the generator assembly is operating.
OK:
The fan of the generator rotor assembly is operati ...
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
HINT:
If a trouble code is output during the DTC check, inspect the trouble areas listed
for that code. For details of the code, refer to the "See page" below.
Certification ECU (Smart Key ECU Assembly)
DTC Code
Detection Item
...
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 ...
