Toyota CH-R Service Manual: Utility

Toyota CH-R Service Manual / Pre-collision / Pre-collision System / Utility

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:

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 brake control when reproducing problem symptoms may lead to a dangerous situation. To avoid this, do not attempt to operate the pre-collision brake control, only operate the pre-collision alarm control (buzzer and warning message) when reproducing the problem symptoms.

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.

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.

Click here

Body Electrical > Pre-Collision 2 > Utility

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.

Click here

Body Electrical > Pre-Collision 2 > Utility

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.

Click here

Body Electrical > Pre-Collision 2 > Utility

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.

Body Electrical > Pre-Collision 2 > Utility

Tester Display
History Clear

Initialization

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Problem Symptoms Table

PROBLEM SYMPTOMS TABLE HINT: 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 lis ...

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