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:
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
VSC System
DTC Code
Detection Item
See page
C1201
Engine Control System Malfunction
C1203
ECM Communication Circuit Malfunction
C120B
...
System Diagram
SYSTEM DIAGRAM
...
Disassembly
DISASSEMBLY
PROCEDURE
1. INSPECT 3RD GEAR THRUST CLEARANCE
(a) Using a dial indicator, measure the 3rd gear thrust clearance.
Standard clearance:
0.200 to 0.490 mm (0.0079 to 0.0192 in.)
If the clearance is outside the specification, replace the 3rd gear,
thrust washer, c ...
