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.
STEERING SYSTEM|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
Hard steering |
1. Tires (Improperly inflated) |
|
|
2. Power steering fluid level (Low) |
|
|
|
3. Drive belt (Loose) |
|
|
|
5. Front wheel alignment (Incorrect) |
|
|
|
6. Steering system joints (Worn) |
- |
|
|
8. Suspension arm ball joints (Worn) |
|
|
|
9. Steering column (Binding) |
- |
|
|
10.Power steering vane pump (for 2TR-FE) |
|
|
|
11.Power steering vane pump (for 2GR-FKS) |
|
|
|
12.Power steering gear |
|
|
|
Poor return |
1. Tires (Improperly inflated) |
|
|
3. Front wheel alignment (Incorrect) |
|
|
|
4. Steering column (Binding) |
- |
|
|
5. Power steering gear |
|
|
|
Excessive free play |
1. Steering system joints (Worn) |
- |
|
3. Suspension arm ball joints (Worn) |
|
|
|
4. Intermediate shaft sliding yoke (Worn) |
- |
|
|
6. Front wheel bearing (Worn) |
|
|
|
7. Power steering gear |
|
|
|
Abnormal noise |
1. Power steering fluid level (Low) |
|
|
2. Steering system joints (Worn) |
- |
|
|
3. Power steering vane pump (2TR-FE) |
|
|
|
4. Power steering vane pump (2GR-FKS) |
|
|
|
5. Power steering gear |
|
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On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. CHECK STEERING WHEEL FREE PLAY
(a) Stop the vehicle and align the tires facing straight ahead.
(b) Gently turn the steering wheel right and left by ha ...
Repair
REPAIR
PROCEDURE
1. STEERING OFF CENTER REPAIR PROCEDURE
(a) Check if the steering wheel is off center.
(1) Apply masking tape to the top center of the steering wheel and upper
stee ...
Other materials:
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE INTAKE VALVE
(a) Using SST, compress the inner compression spring and remove the valve
spring retainer locks.
SST: 09202-70020
SST: 09202-00021
09202-01010
09202-01020
(b) Remove the valve s ...
Vehicle Information Not Obtained (C1A02)
DESCRIPTION
When a new millimeter wave radar sensor assembly is installed, it receives vehicle
specification information (destination, steering wheel position, 2WD or 4WD, etc.)
from the main body ECU (multiplex network body ECU) and stores the information.
DTC C1A02 is stored when the millime ...
System Description
SYSTEM DESCRIPTION
1. SYSTEM DESCRIPTION
(a) The Electronic Controlled Automatic Transmission (ECT) is an automatic transmission
that has its shift timing electronically controlled by the ECM. The ECM detects
electrical signals that indicate engine and driving conditions, and controls the
sh ...
