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:
Detecting Vehicle Submersion (B2277)
DESCRIPTION
This DTC is stored when a malfunction in the water submersion detection circuit
in the certification ECU (smart key ECU assembly) is detected.
HINT:
When the cable is disconnected and reconnected to the negative (-) battery terminal,
the power source mode returns to the state it w ...
VSC OFF Indicator Light Remains ON
DESCRIPTION
In 2WD mode:
Operation of the VSC OFF switch changes the vehicle between normal mode,
TRAC OFF mode (AUTO LSD mode) and VSC OFF mode. During normal mode, pressing
the VSC OFF switch for a short amount of time changes the vehicle to TRAC
OFF mode (AUTO LSD mode), TR ...
Installation
INSTALLATION
PROCEDURE
1. ADJUST COMPRESSOR OIL
(a) for HFC-134a (R134a):
(1) When replacing the compressor and magnetic clutch with new ones, after gradually
discharging the refrigerant gas from the service valve, drain the following volume
of oil from new compressor and magnetic clutch bef ...
