Toyota Tacoma (2015-2018) Service Manual: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
- The forward recognition camera is used by multiple systems. If any malfunctions
occur, refer to Problem Symptoms Table of each system.
- Dynamic radar cruise control system (for 2GR-FKS): Click here
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- Dynamic radar cruise control system (for 2TR-FE): Click here
- Lane departure alert system: Click here
- Pre-collision system: Click here
- Automatic high beam system: Click here @@@@
- Dynamic radar cruise control system (for 2GR-FKS): Click here
- 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 |
Link |
|---|---|---|
|
The message "Forward Camera System Unavailable Clean Windshield" is frequently displayed |
Non-Toyota genuine front wiper blades are installed |
- |
|
The front wiper rubbers are worn |
- |
|
|
A sticker, accessory or other object is obstructing the forward recognition camera |
- |
|
|
There is snow, frost, dirt, dust or oil on the windshield glass, or the windshield glass is fogged up |
- |
|
|
A glass coating has been applied to the windshield glass |
- |
|
|
The windshield glass is chipped or cracked |
- |
|
|
Non-Toyota genuine windshield glass is installed |
- |
|
|
Forward recognition camera |
|
|
|
The message "Forward Camera System Unavailable" is frequently displayed |
Immediately after the engine is started |
- |
|
The cabin temperature is extremely high |
- |
|
|
The cabin temperature is extremely low |
- |
|
|
Forward recognition camera |
|
|
|
A system that uses the forward recognition camera does not operate |
Power source circuit |
|
|
Forward recognition camera |
|
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use these procedures to troubleshoot the forward recognition camera
system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE B ...
Utility
UTILITY
NOTICE:
If the forward recognition camera has been replaced with a new one or
the windshield glass has been removed and installed, it is necessary to
perform Forward Recognit ...
Other materials:
Terminals Of Ecu
TERMINALS OF ECU
NOTICE:
DTCs may be output when connectors are disconnected during inspection.
Therefore, be sure to clear the DTCs using the Techstream once the inspection
has been completed.
Do not apply excessive force to the f5 forward recognition camera connector.
...
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 ...
Clearance Warning Buzzer Circuit
DESCRIPTION
This circuit consists of the No. 1 clearance warning buzzer and clearance warning
ECU assembly. An ECU-excited type buzzer is used. The battery voltage supplied through
the buzzer is grounded inside the clearance warning ECU assembly using a pulsed
digital pattern, producing sound ...
