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 |
|---|---|---|
|
Remote Up / Down Function does not Operate |
Proceed to "Remote Up / Down Function does not Operate" |
|
|
Driver Side Power Window does not Operate with Power Window Regulator Master Switch Assembly |
Proceed to "Driver Side Power Window does not Operate with Power Window Master Switch" |
|
|
Front Passenger Side Power Window does not Operate with Front Passenger Side Power Window Switch |
Proceed to "Front Passenger Side Power Window does not Operate with Front Passenger Side Power Window Switch" |
|
|
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 |
|
|
|
Power window regulator master switch assembly |
|
|
|
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 |
|
|
|
Power window regulator master switch assembly |
|
|
|
Harness or connector |
- |
|
|
Driver Side Power Window Auto Up / Down Function does not Operate with Power Window Regulator Master Switch Assembly |
Proceed to "Driver Side Power Window Auto Up / Down Function does not Operate with Power Window Master Switch" |
|
|
Front Passenger Side Power Window Auto Up / Down Function does not Operate with Front Passenger Side Power Window Switch |
Proceed to "Front Passenger Side Power Window Auto Up / Down Function does not Operate with Front Passenger Side Power Window Switch" |
|
|
Key-off Operation Function Operates even if Operating Conditions are not Satisfied |
Proceed to "Key-off Operation Function Operates even if Operating Conditions are not Satisfied" |
|
|
Auto Up Operation does not Fully Close Power Window (Jam Protection Function is Activated) |
Proceed to "Auto Up Operation does not Fully Close Power Window (Jam Protection Function is Activated)" |
|
|
Auto down operation does not fully open power window (catch protection function is activated) |
Proceed to "Auto Down Operation does not Fully Open Power Window (Catch Protection Function is Activated)" |
|
|
Jam Protection Function does not Operate |
Proceed to "Jam Protection Function does not Operate" |
|
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- *1: for Double Cab
|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
Power back window does not operate |
Rear NO. 2 Power Window Regulator Switch Assembly |
|
|
Power Window Regulator Motor Assembly |
|
|
|
Main body ECU (driver side junction block) |
|
|
|
Harness or connector |
- |
- *1: w/ Back Door Power Window
Operation Check
OPERATION CHECK
1. CHECK WINDOW LOCK SWITCH
HINT:
Before performing the window lock switch operation check, make sure that the
window lock switch is off (the switch is not pushed in).
(a) Check ...
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) The power window control system data can be read from the Data Link Connector
3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the Techs ...
Other materials:
Driver Side Power Window does not Operate with Power Window Master Switch
DESCRIPTION
When the engine is running or the ignition switch is ON, the front power window
regulator motor assembly LH is operated by the power window regulator master switch
assembly. The front power window regulator motor assembly LH has motor, regulator,
and ECU functions.
HINT:
If the ...
Refueling
Opening the fuel tank cap
Perform the following steps to open the fuel tank cap.
■ Before refueling the vehicle
Turn the engine switch off and ensure that all the doors and windows are closed.
■ Opening the fuel tank cap
Open the fuel filler door.
Turn the fuel tank cap slowly ...
ACC Signal Circuit
DESCRIPTION
This circuit detects whether the ignition switch is ACC or off, and sends this
information to the main body ECU (multiplex network body ECU).
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing
the fo ...
