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.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
Oil leak from front differential |
Oil (level too high or wrong grade) |
|
|
Front differential side gear shaft oil seal (worn or damaged) |
|
|
|
Companion flange (loose or damaged) |
|
|
|
Oil leak from rear differential |
Oil (level too high or wrong grade) |
|
|
Rear differential carrier oil seal (worn or damaged) |
|
|
|
Companion flange (loose or damaged) |
|
|
|
Oil leak from front drive pinion shaft |
Oil (level too high or wrong grade) |
|
|
Front differential carrier oil seal (worn or damaged) |
|
|
|
Companion flange (loose or damaged) |
|
|
|
Oil leak from rear drive pinion shaft |
Oil (level too high or wrong grade) |
|
|
Rear differential carrier oil seal (worn or damaged) |
|
|
|
Companion flange (loose or damaged) |
|
|
|
After differential lock switch is operated, rear differential lock indicator light remains off or illuminated |
ECU power source circuit |
|
|
Differential lock switch |
|
|
|
4 wheel drive control ECU |
||
|
CAN communication system |
||
|
Combination meter assembly |
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How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure listed to troubleshoot the differential
system (w/ Differential Lock).
*: Use the Techstream.
PROCEDURE
1 ...
System Description
SYSTEM DESCRIPTION
1. DESCRIPTION
The differential system (w/ Differential Lock) directly connects the
rear left and right wheels so that even if one wheel slips while driving
where d ...
Other materials:
Symbols used in illustrations
The symbol of a circle with a slash
through it means “Do not”, “Do not do this”, or “Do not let this happen”.
Arrows indicating operations
Indicates the action (pushing, turning,
etc.) used to operate switches and other devices.
Indicates the outcome of an operation
(e.g. a ...
Clutch Release Cylinder(for Rc62f)
Components
COMPONENTS
ILLUSTRATION
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE CLUTCH RELEASE CYLINDER KIT
(a) Remove the boot from the cylinder body.
(b) Remove the push rod from the boot.
(c) Using compressed air, remove the piston together with the spring
from the cy ...
Microphone Circuit between Microphone and Radio Receiver
DESCRIPTION
The navigation receiver assembly and telephone microphone assembly are connected
to each other using the microphone connection detection signal lines.
Using this circuit, the navigation receiver assembly sends power to the telephone
microphone assembly and the telephone microphone ...
