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.
Axle System|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
Wander/pulls |
Tires (Worn or improperly inflated) |
|
|
Front wheel alignment (Incorrect) |
|
|
|
Hub bearings (Loosen or worn) |
|
|
|
Steering gear (Out of adjustment or broken) |
- |
|
|
Front wheel shimmy |
Tires (Worn or improperly inflated) |
|
|
Wheels (Out of balance) |
|
|
|
Front shock absorber (Worn out) |
|
|
|
Front wheel alignment (Incorrect) |
|
|
|
Upper ball joints (Worn) |
|
|
|
Lower ball joints (Worn) |
|
|
|
Hub bearings (Loosen or worn) |
|
|
|
Steering gear (Out of adjustment or broken) |
- |
|
|
Rear wheel shimmy |
Tires (Worn or improperly inflated) |
|
|
Wheels (Out of balance) |
|
|
|
Rear shock absorber (Worn out) |
|
|
|
Hub bearings (Loosen or worn) |
|
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Axle System
...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT FRONT AXLE HUB BEARING
(a) Remove the front wheel.
(b) for 4WD:
(1) Remove the front axle hub grease cap (See page
).
(c) Remove the front disc br ...
Other materials:
Terminals Of Ecu
TERMINALS OF ECU
1. TERMINAL INSPECTION
Text in Illustration
*a
Component without harness connected
(Steering Lock ECU (Steering Lock Actuator or UPR Bracket Assembly))
-
-
(a) Measure the voltage and resistance according to the value(s) i ...
Driver Side Door Entry Unlock Function does not Operate
DESCRIPTION
If the entry unlock function does not operate for the driver door only, but the
entry lock function operates, the request code is being transmitted properly from
the driver door. In this case, there may be a problem related to the touch sensor
(connection between the certification ...
Acceleration Sensor Power Supply Voltage Malfunction (C1381)
DESCRIPTION
The skid control ECU (master cylinder solenoid) receives signals from the yaw
rate and acceleration (airbag sensor assembly) via the CAN communication system.
The airbag sensor assembly has a built-in yaw rate and acceleration sensor and
detects the vehicle's condition using 2 ...
