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:
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
The 4 wheel drive control ECU records DTCs when the ECU detects a malfunction
in the ECU itself or in system circuits.
The DTCs can be read through the DLC3 of the vehicle. When the system seems to
be malfunctioning, use the Techstream to check for malfunctions ...
Parts Location
PARTS LOCATION
ILLUSTRATION
*A
for Hydraulic Brake Booster
*B
for Vacuum Brake Booster
*C
w/ Toyota Safety Sense P
-
-
*1
BRAKE BOOSTER ASSEMBLY (SKID CONTROL ECU)
...
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 ...
