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:
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. CHECK FUEL PUMP ASSEMBLY OPERATION
(a) Check fuel pressure.
(1) Connect the Techstream to the DLC3.
(2) Start the engine.
(3) Turn the Techstream on.
(4) Enter the following menus: Powertrain / Engine / Active Test / Control the
Target Fuel Pressure.
(5) ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT BRAKE BOOSTER PUMP ASSEMBLY
(a) Connect the positive (+) lead from the battery to the red cable of the pump,
and the negative (-) lead to the black cable.
(b) Check the brake booster pump operation.
OK:
Operation sound is heard. ...
Lost Communication with ECM / PCM "A" (U0100,U0125,U0126,U0129)
DESCRIPTION
The millimeter wave radar sensor assembly and ECM communicate with each sensor
and ECU via CAN communication.
If any malfunction is detected in a CAN communication circuit, one or more CAN
communication system DTCs are stored.
DTC No.
Detection Item
...
