Toyota Tacoma (2015-2018) Service Manual: Utility
UTILITY
NOTICE:
- When replacing the millimeter wave radar sensor assembly, always replace it with a new one. If a millimeter wave radar sensor assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle. As a result, a DTC may be stored.
- If the millimeter wave radar sensor assembly has been replaced, be sure
to perform millimeter wave radar sensor assembly adjustment.
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Control Mode
HINT:
- This mode is used to check the operation of the pre-collision system when reproducing situations when the pre-collision system operated unnecessarily.
- Operating the pre-collision brake assist control or pre-collision braking
control when reproducing problem symptoms may lead to a dangerous situation.
To avoid this, do not attempt to operate the pre-collision braking control,
only operate the pre-collision warning control (buzzer and warning message)
when reproducing the problem symptoms.
PCS Control Operated
Buzzer Sound
Pre-collision warning control
Intermittent (Long)
Pre-collision brake assist control
Intermittent (Short)
Pre-collision braking control
Continuous
(a) Connect the Techstream to the DLC3.
(b) Enter the following menus: Body Electrical / Pre-Collision 2 / Utility / Control Mode.
(c) Perform Control Mode according to the display on the Techstream.
Front Beam Axis Adjustment
HINT:
Front Beam Axis Adjustment of the millimeter wave radar sensor assembly is performed using the Techstream.
(a) Perform Front Beam Axis Adjustment according to the display on the Techstream.
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Front Beam Axis Misalignment Reading
HINT:
The amount of misalignment of the millimeter wave radar sensor assembly can be checked using the Techstream.
(a) Perform Front Beam Axis Misalignment Reading according to the display on the Techstream.
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Front Beam Axis Offset Reading
HINT:
The offset of the millimeter wave radar sensor assembly can be checked using the Techstream.
(a) Perform Front Beam Axis Offset Reading according to the display on the Techstream.
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History Clear
HINT:
If the status of any history data is "ON", clear the history data.
(a) Connect the Techstream to the DLC3.
(b) Enter the following menus: Body Electrical / Pre-Collision 2 / Utility / History Clear.
(c) Perform History Clear according to the display on the Techstream.
Terminals Of Ecu
TERMINALS OF ECU
CHECK MILLIMETER WAVE RADAR SENSOR ASSEMBLY
(a) Measure the voltage and resistance according to the value(s) in the table
below.
Terminal No. (Symbol)
Wir ...
Diagnosis System
DIAGNOSIS SYSTEM
CHECK DLC3
(a) Check the DLC3.
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FUNCTION OF WARNING INDICATOR AND MESSAGE
(a) If the pre-collision system is not functioning properly, the driver is warned
by the P ...
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 ...
Parts Location
PARTS LOCATION
ILLUSTRATION
*A
for Hydraulic Brake Booster
*B
for Vacuum Brake Booster
*C
w/ Toyota Safety Sense P
-
-
*1
BRAKE BOOSTER ASSEMBLY (SKID CONTROL ECU)
...
Front Radar Sensor Region Code Mismatch (C1A0A)
DESCRIPTION
When the destination information in the millimeter wave radar sensor assembly
and forward recognition camera do not match, DTC C1A0A is stored.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
MIL
C1A0 ...
