UTILITY
NOTICE:
When replacing a millimeter wave radar sensor assembly, replace it with a new one.
If the millimeter wave radar sensor assembly has been replaced or removed/installed, be sure to perform Front Beam Axis Adjustment. If not performed, DTC C1A14 will be stored when the system is turned on.
Control Mode
HINT:
|
PCS Control Operated |
Buzzer Sound |
|---|---|
|
Pre-collision alarm control |
Intermittent (Long) |
|
Pre-collision brake assist control |
Intermittent (Short) |
|
Pre-collision brake 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.
Body Electrical > Pre-Collision 2 > Utility|
Tester Display |
|---|
|
Control Mode |
Front Beam Axis Adjustment
HINT:
Front Beam Axis Adjustment of the millimeter wave radar sensor assembly is performed using the Techstream.
(a) Connect the Techstream to the DLC3.
(b) Enter the following menus: Body Electrical / Pre-Collision 2 / Utility / Front Beam Axis Adjustment.
(c) Perform Front Beam Axis Adjustment according to the display on the Techstream.
Click here
|
Tester Display |
|---|
|
Front Beam Axis Adjustment |
Front Beam Axis Misalignment Reading
HINT:
The amount of misalignment of the millimeter wave radar sensor assembly can be checked using the Techstream.
(a) Connect the Techstream to the DLC3.
(b) Enter the following menus: Body Electrical / Pre-Collision 2 / Utility / Front Beam Axis Misalignment Reading.
(c) Perform Front Beam Axis Misalignment Reading according to the display on the Techstream.
Click here
|
Tester Display |
|---|
|
Front Beam Axis Misalignment Reading |
Front Beam Axis Offset Reading
HINT:
The offset of the millimeter wave radar sensor assembly can be checked using the Techstream.
(a) Connect the Techstream to the DLC3.
(b) Enter the following menus: Body Electrical / Pre-Collision 2 / Utility / Front Beam Axis Offset Reading.
(c) Perform Front Beam Axis Offset Reading according to the display on the Techstream.
Click here
|
Tester Display |
|---|
|
Front Beam Axis Offset Reading |
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.
Body Electrical > Pre-Collision 2 > Utility|
Tester Display |
|---|
|
History Clear |
Initialization
Problem Symptoms TableToyota CH-R Service Manual > Pre-collision: Pre-collision System Warning Buzzer
Components
COMPONENTS
ILLUSTRATION
*1
PRE-COLLISION CITY BUZZER
-
-
Removal
REMOVAL
PROCEDURE
1. REMOVE FUSE BOX OPENING COVER
Click here
2. REMOVE PRE-COLLISION CITY BUZZER
(a) Disengage the clamp.
...
Toyota CH-R Service Manual > Pre-collision System: Skid Control Buzzer Circuit (C1A4A)
DESCRIPTION
The millimeter wave radar sensor assembly is connected to the forward recognition
camera via CAN communication.
The millimeter wave radar sensor assembly operates the pre-collision alarm by
sending a buzzer request signal to the pre-collision city buzzer.
If the millimeter wave ra ...