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:
Touch Panel Switch does not Function
PROCEDURE
1.
CHECK MULTI-DISPLAY
(a) Check if there is any foreign matter caught between the display and exterior
frame of the multi-display.
OK:
No foreign matter is caught between the display and exterior frame of the multi-display.
HINT:
If there is foreig ...
Yaw Rate Sensor Circuit (C1AA4,C1AA5)
DESCRIPTION
The forward recognition camera receives vehicle stability signals from the yaw
rate and acceleration sensor (airbag sensor assembly). If the yaw rate and acceleration
sensor (airbag sensor assembly) detects an abnormal yaw rate sensor signal or yaw
rate sensor assembly power suppl ...
Cruise Control Switch Circuit
DESCRIPTION
This circuit sends signals to the ECM depending on the cruise control main switch
condition.
The battery supplies the positive (+) battery voltage to the cruise control main
switch. Then terminal CCS of the ECM receives the voltage as the signal according
to the switch condition. ...
