Toyota Yaris: Millimeter Wave Radar Sensor / Target Adjustment(triangle Target)

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual / Engine & Hybrid System / Cruise Control / Millimeter Wave Radar Sensor / Target Adjustment(triangle Target)

TARGET ADJUSTMENT(TRIANGLE TARGET)

PROCEDURE

1. PREPARATION FOR MILLIMETER WAVE RADAR SENSOR ASSEMBLY ADJUSTMENT

(a) Park the vehicle on a level surface where the area in front of the vehicle shown in the illustration is free of metal objects.

*a

5 m (16.4 ft.)

*b

6 m (19.7 ft.)

*c

4 m (13.1 ft.)

*d

2 m (6.56 ft.)

*e

3 m (9.84 ft.)

*f

1.5 m (4.92 ft.)

*g

2.5 m (8.20 ft.)

Do not place any metal objects in this area

Do not place metal objects with a height of more than 50 mm (1.97 in.) in this area

HINT:

Metal objects with a height of 50 mm (1.97 in.) or less placed within the area shown in the illustration will not affect the adjustment.

(b) Check the levelness of the ground.

(1) Check the levelness of the ground at the 3 points shown in the illustration.

*a

3 m (9.84 ft.)

Levelness Check Point

(2) Place the level on each levelness check point and check that the air bubble of the level is centered.

(c) Adjust the tire inflation pressure to the specified pressure.

Click here

(d) Clean the front emblem or millimeter wave radar sensor assembly.

(e) Visually inspect the front of the vehicle.

HINT:

Confirm that there is no damage or deformation.

(f) Visually inspect the front bumper assembly, radiator grill and stays.

HINT:

Confirm that there is no damage or deformation.

2. MILLIMETER WAVE RADAR SENSOR ASSEMBLY VERTICALLY AND HORIZONTALLY

(a) Adjust SST (reflector) height.

(1) Adjust SST (reflector) so that the center of SST (reflector) is the same height as the millimeter wave radar sensor.

HINT:

Make sure to align the center of SST (reflector) with the millimeter wave radar sensor (the center of the emblem).

Reference Value:

690 mm (2.26 ft.)

SST: 09870-60000

09870-60010

SST: 09870-60040

*a

SST (reflector)

(b) Hang a weight with a pointed tip from the center of the rear emblem, and mark the rear center point of the vehicle (point A) on the ground.

*a

String

*b

Weight

*c

Center

-

-

HINT:

Lightly flick the string with your fingers several times to confirm that the string is perpendicular to the ground.

(c) Hang a weight with a pointed tip from the center of the front emblem, and mark the front center point of the vehicle (point B) on the ground.

*a

String

*b

Weight

*c

Center

-

-

HINT:

Lightly flick the string with your fingers several times to confirm that the string is perpendicular to the ground.

(d) When using a laser line marker:

NOTICE:

Do not look directly into the laser beam.

(1) Press the laser mode button on the laser line marker to activate the laser line emitters.

(2) Align the laser beam ground marking point (cross portion) with point B.

*a

Ground Marking Point (Cross Portion)

(3) Align the center of the target panel with point A, and set the target panel so that it faces forward.

*a

Center Line

*b

Target Panel

(4) Adjust the position of the laser line marker so that the laser beam is aligned with the center line of the target panel.

(5) Extend a tape measure at least 3000 mm (9.84 ft.) in length from point B, and set the tape measure in place.

*a

Tape Measure

(6) At a distance of 3000 mm (9.84 ft.) from point B, apply an approximately 200 mm (7.87 in.) piece of tape alongside the tape measure, and mark point C.

*a

Tape

(e) When not using a laser line marker:

(1) Using tape and a string, create a line that connects point B to point A and extends at least 3000 mm (9.84 ft.) beyond the front center point of the vehicle.

*a

String

*b

Tape

*c

3000 mm (9.84 ft.)

-

-

HINT:

  • Make sure the string is taut when securing it with tape.
  • Lightly flick the string with your fingers several times to confirm that the string is aligned with point B.

(2) Mark point C (SST (reflector) placement position) at a position 3000 mm (9.84 ft.) from point B.

(3) Place SST (reflector) at point C.

(f) Front Beam Axis Adjustment:

NOTICE:

  • Close all of the doors.
  • Ensure that nobody enters the adjustment area during the adjustment.
  • Do not move or shake the vehicle during adjustment (do not get in or out of the vehicle).
  • Do not turn off the GTS or ignition switch.
  • If the vehicle moves or is shaken during beam axis adjustment such as during strong winds or a door is opened or closed, perform the adjustment again.

(1) Connect the GTS to the DLC3.

(2) Turn the ignition switch to ON.

(3) Turn the GTS on.

(4) Enter the following menus: Body Electrical / Front Radar Sensor / Utility / Front Beam Axis Adjustment.

Body Electrical > Front Radar Sensor > Utility

Tester Display

Front Beam Axis Adjustment

(5) Press "Next".

(6) Perform the adjustment according to the display on the GTS.

NOTICE:

If an error code is displayed, perform troubleshooting according to the following table, then perform the adjustment again.

Error No.

Error Description

Cause of Error

Action to be Taken

1

No target abnormality
  • SST (reflector) is placed incorrectly.
  • The front emblem or millimeter wave radar sensor assembly is covered by dirt or snow.

Place SST (reflector) in the correct position. (See page 2. MILLIMETER WAVE RADAR SENSOR ASSEMBLY VERTICALLY AND HORIZONTALLY (b) Place SST (reflector))

Clean the front emblem or millimeter wave radar sensor assembly.

Check the installation condition of the front bumper assembly and radiator grill.
  • There is a reflective object near SST (reflector).
  • A person entered the adjustment area.

Remove any reflective objects.

Ensure that nobody enters the adjustment area during the adjustment. (See page 1. PREPARATION FOR MILLIMETER WAVE RADAR SENSOR ASSEMBLY ADJUSTMENT)
  • SST (reflector) was moved out of position or shaking during the adjustment due to wind.

Place SST (reflector) in the correct position. (See page 2. MILLIMETER WAVE RADAR SENSOR ASSEMBLY VERTICALLY AND HORIZONTALLY (b)Place SST (reflector))

Perform adjustment in an area with no wind.

5

Axis adjustment
  • Optical axis adjustment has not been performed.

Optical axis adjustment. (See page 2. MILLIMETER WAVE RADAR SENSOR ASSEMBLY VERTICALLY AND HORIZONTALLY (c) Front Beam Axis Adjustment)

6

Target angle abnormality
  • SST (reflector) is placed incorrectly.
  • The beam axis of the millimeter wave radar sensor assembly is outside the automatic correction range.

Place SST (reflector) in the correct position. (See page 2. MILLIMETER WAVE RADAR SENSOR ASSEMBLY VERTICALLY AND HORIZONTALLY (b)Place SST (reflector))

Check the condition of the sensor, radiator grill and front bumper assembly.

7

Radar abnormality
  • Operation of the millimeter wave radar sensor assembly is abnormal.

Replace the millimeter wave radar sensor assembly.

8

Radar dirtiness
  • There is dirt on the front emblem or millimeter wave radar sensor assembly.

Clean the front emblem or millimeter wave radar sensor assembly.

9

Temperature abnormality
  • The temperature around the millimeter wave radar sensor assembly is too high.

Wait until the temperature drops to the operable range (-30 to 50°C).

10

Voltage abnormality
  • IG power source voltage is outside the operable range of the millimeter wave radar sensor assembly.

Check the auxiliary battery voltage (specified condition: 10 to 16 V).

11

External communication abnormality
  • CAN communication between the VSC-ECU and the millimeter wave radar sensor assembly is abnormal.

Check the condition of the connectors and wire harness.

12

Radar axis aiming failure upward
  • The beam axis of the millimeter wave radar sensor assembly is outside the automatic correction range (upward).
  • Road inclement is outside the standard value.

Check the condition of the sensor, radiator grill and front bumper assembly.

Confirm road gradient.

13

Radar axis aiming failure downward
  • The beam axis of the millimeter wave radar sensor assembly is outside the automatic correction range (downward).
  • Road inclement is outside the standard value.

Check the condition of the sensor, radiator grill and front bumper assembly.

Confirm road gradient.

14

Vehicle speed abnormality
  • The vehicle is not stationary.

Ensure that the vehicle remains stationary.

15

Other
  • The millimeter wave radar sensor assembly processing load is at high capacity.

Re-do the Axis Adjustment

16

Time out
  • The vehicle cannot communicate with GTS normally.
  • The vehicle does not keep still during beam axis adjustment.
  • Operation of the millimeter wave radar sensor assembly is abnormal.
  • Ensure that the vehicle is connected with the GTS correctly.
  • Ensure that the vehicle remains stationary.
  • Replace the millimeter wave radar sensor assembly.

17

Target parameter abnormality
  • Wrong mode is selected.

Perform beam axis adjustment again.

18

Vehicle information undefined
  • Communication error with Master ECU(Body or ENG/EHV) or discrepancy with information that is being recorded by the millimeter wave radar sensor assembly.
  • Check the connector fittings.
  • Replace the Master ECU or millimeter wave radar sensor assembly.

(7) Press "Exit" to finish front beam axis adjustment.

(g) Front Beam Axis Misalignment Reading:

NOTICE:

  • Close all of the doors.
  • Do not move or shake the vehicle during adjustment (do not get in or out of the vehicle).
  • Ensure that nobody enters the adjustment area during the adjustment.
  • Do not turn off the GTS or ignition switch.

(1) Enter the following menus: Body Electrical / Front Radar Sensor / Utility / Front Beam Axis Misalignment Reading.

Body Electrical > Front Radar Sensor > Utility

Tester Display

Front Beam Axis Misalignment Reading

(2) Press "Next".

(3) Perform the adjustment according to the display on the GTS.

Specified Condition:

Vertical

-0.5 to 0.5 deg.

Horizontal

-0.5 to 0.5 deg.

NOTICE:

If the result is not as specified, perform beam axis adjustment again.

(4) Turn the ignition switch off.

(5) Disconnect the GTS from the DLC3.

(h) After beam axis adjustment completes, clear the following system vehicle control history entries.

(1) Clear vehicle control history (Dynamic radar cruise control system).

Click here

(2) Clear vehicle control history (Lane Tracing Assist System).

Click here

(3) Clear vehicle control history (Front Radar Sensor system).

Click here

(4) Clear vehicle control history (Pre-collision system).

Click here

(5) Clear vehicle control history (Lighting system).

Click here

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