Toyota Tacoma 2015-2018 Service Manual: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
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.
Manual Transmission System|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
Abnormal noise |
Oil level (Low) |
|
|
Oil (Wrong) |
- |
|
|
Gear (Input shaft) (worn or damaged) |
|
|
|
Gear (Output shaft) (worn or damaged) |
|
|
|
Gear (Counter shaft) (worn or damaged) |
|
|
|
Bearing (worn or damaged) |
|
|
|
Bearing (Input shaft) (worn or damaged) |
|
|
|
Bearing (Output shaft) (worn or damaged) |
|
|
|
Bearing (Counter shaft) (worn or damaged) |
|
|
|
Oil leakage |
Oil level (High) |
|
|
Gasket (Damaged) |
|
|
|
O-ring (Worn or damaged) |
|
|
|
Hard shifting or will not shift |
Shift fork (Input shaft) (Worn) |
|
|
Shift fork (Counter shaft) (Worn) |
|
|
|
Synchronizer ring (Input shaft) (worn or damaged) |
|
|
|
Synchronizer ring (Output shaft) (worn or damaged) |
|
|
|
Synchronizer ring (Counter shaft) (worn or damaged) |
|
|
|
Shift key spring (Input shaft) (damaged) |
|
|
|
Shift key spring (Counter shaft) (damaged) |
|
|
|
Jumps out of gear |
Shift fork (Input shaft) (Worn) |
|
|
Shift fork (Counter shaft) (Worn) |
|
|
|
Gear (Input shaft) (worn or damaged) |
|
|
|
Gear (Output shaft) (worn or damaged) |
|
|
|
Gear (Counter shaft) (worn or damaged) |
|
|
|
Bearing (Input shaft) (worn or damaged) |
|
|
|
Bearing (Output shaft) (worn or damaged) |
|
|
|
Bearing (Counter shaft) (worn or damaged) |
|
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How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the manual transaxle system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGH ...
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) To check DTCs, connect the Techstream to the Data Link Connector 3 (DLC3)
of the vehicle. The Techstream displays DTCs and freeze frame data. The DTCs and
fre ...
Other materials:
Reassembly
REASSEMBLY
CAUTION / NOTICE / HINT
NOTICE:
When installing, coat the parts indicated by the arrows with power steering fluid
(See page ).
PROCEDURE
1. INSTALL VANE PUMP HOUSING OIL SEAL
(a) Coat a new vane pump housing oil seal lip with power steering fluid.
(b) Using SST and a press, in ...
Ambient Temperature Sensor Circuit (B1412/12)
DESCRIPTION
The ambient temperature sensor is installed in front of the condenser to detect
the ambient temperature which is used to control the air conditioning system AUTO
mode. This sensor is connected to the air conditioning amplifier assembly and detects
fluctuations in the ambient tempe ...
Removal
REMOVAL
PROCEDURE
1. DISCONNECT TRANSMISSION WIRE
(See page )
2. REMOVE VALVE BODY OIL STRAINER ASSEMBLY
(a) Remove the 3 bolts and valve body oil strainer assembly from the
transmission valve body assembly.
3. REMOVE TRANSMISSION VALVE ...