Toyota Tacoma (2015-2018) Service Manual: 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 Recognition Camera Axis Adjustment. If the system is turned
on without performing Forward Recognition Camera Axis Adjustment, DTC C1AA9
will be stored.
Click here
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- When replacing the windshield glass of a vehicle equipped with a forward recognition camera, make sure to use a Toyota genuine part. If a non-Toyota genuine part is used, the forward recognition camera may not be able to be installed due to a missing bracket or the forward recognition camera system may not operate properly due to a difference in the transmissivity or black ceramic border.
Recognition Camera/Target Position Memory
HINT:
Recognition Camera/Target Position Memory is used to enter required information into the forward recognition camera.
(a) Perform Recognition Camera Axis Adjust according to the display on the Techstream.
Enter the following menus: Chassis / Front Recognition Camera / Utility / Recognition Camera/Target Position Memory.
Click here
HINT:
Recognition Camera Axis Adjust is used to calibrate the internal data of the forward recognition camera to enhance its recognition accuracy.
Recognition Camera Axis Adjust
(a) Perform Recognition Camera Axis Adjust according to the display on the Techstream.
Enter the following menus: Chassis / Front Recognition Camera / Utility / Recognition Camera Axis Adjust.
Click here
HINT:
History Clear is used to clear the history of Data List items Blockage, Low Temperature, or High Temperature.
History Clear
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Chassis / Front Recognition Camera / Utility / History Clear.
(e) Perform History Clear according to the display on the Techstream.
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 ...
Diagnosis System
DIAGNOSIS SYSTEM
DIAGNOSIS FUNCTION
(a) If a malfunction is detected in the forward recognition camera, the forward
recognition camera stores a DTC without directly informing the driver via indica ...
Other materials:
Data List / Active Test
DATA LIST / ACTIVE TEST
DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful because intermittent conditions or signals may ...
Open in Occupant Classification ECU Battery Positive Line (B1794)
DESCRIPTION
DTC B1794 is set when a malfunction is detected in the occupant detection ECU.
DTC No.
DTC Detections Conditions
Trouble Areas
B1794
Occupant detection ECU circuit malfunction
Occupant detection ECU malfuncti ...
Precaution
PRECAUTION
1. IGNITION SWITCH EXPRESSIONS
(a) The type of ignition switch used on this model differs according to the specifications
of the vehicle. The expressions listed in the table below are used in this section.
Expression
Ignition Switch (Position)
Engine ...
