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:
Parts Location
PARTS LOCATION
ILLUSTRATION
*A
for Automatic Transmission
*B
for Manual Transmission
*C
for 4WD
-
-
*1
FRONT SPEED SENSOR LH
*2
FRONT SPEED SENSOR RH
...
Control Module Communication Bus OFF (U0073,U0100,U0114,U0123,U0124,U0126)
DESCRIPTION
The skid control ECU (master cylinder solenoid) receives the signals from the
ECM, steering angle sensor (spiral cable with sensor sub-assembly), 4 wheel drive
control ECU*, and yaw rate and acceleration sensor (airbag sensor assembly) via
the CAN communication system.
*: ...
Open in One Side of Bus 3 Branch Line
DESCRIPTION
When the CAN bus main lines are normal (no open, short to ground, short to +B
or short between lines) and there is an ECU or sensor on the "Communication Bus
Check" screen that is indicated as not communicating or whose connection status
on the "Communication Bus Ch ...
