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:
Installation
INSTALLATION
PROCEDURE
1. INSTALL FRONT SEATBACK HEATER ASSEMBLY
(a) Set the front seatback heater assembly with the name stamp side facing the
front seatback cover.
(b) Install the front seatback heater assembly with 14 new tag pins.
2. INSTALL SEPARATE TYPE FRONT SEATBACK COVER (for Front P ...
Removal
REMOVAL
PROCEDURE
1. PRECAUTION
NOTICE:
After turning the ignition switch off, waiting time may be required before disconnecting
the cable from the negative (-) battery terminal.
Therefore, make sure to read the disconnecting the cable from the negative (-)
battery terminal notices before p ...
Open in Pump Motor Circuit (C1251)
DESCRIPTION
The motor relay (semiconductor relay) is built into the master cylinder solenoid
and drives the pump motor based on a signal from the skid control ECU (master cylinder
solenoid).
DTC No.
DTC Detecting Condition
Trouble Areas
C1251
...
