Toyota Yaris: Front Radar Sensor System / Freeze Frame Data

Toyota Yaris XP210 (2020-2022) Reapir and Service Manual / Engine & Hybrid System / Cruise Control / Front Radar Sensor System / Freeze Frame Data

FREEZE FRAME DATA

DESCRIPTION

(a) Whenever a front radar sensor system DTC is stored, the millimeter wave radar sensor assembly stores the current vehicle state as Freeze Frame Data.

CHECK FREEZE FRAME DATA

(a) According to the display on the GTS, select a DTC with freeze frame data.

Body Electrical > Front Radar Sensor > Trouble Codes

(b) Read the freeze frame data recorded when the DTC was stored.

Body Electrical > Front Radar Sensor

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

Total Distance Traveled

-

-

-

Cannot be used

Total Distance Traveled - Unit

-

-

-

Cannot be used

Vehicle Setting Value Delta X

-

-

-

Cannot be used

Vehicle Setting Value Delta Z

-

-

-

Cannot be used

Vehicle Setting Value H

-

-

-

Cannot be used

Optical Axis Not Adjusted Status

Beam axis not adjusted status

Not Complete or Complete

Not Complete: Beam axis adjustment not completed

Complete: Beam axis adjustment completed

If this item is "Not Complete", vehicle control history X2023 is stored.

Optical Axis Adjustment Angle (Horizontal) (Latest)

Latest beam axis adjustment angle value (horizontal)

Min.: -12.8 deg, Max.: 12.7 deg

Adjusted angle of beam axis alignment (Default value: 0.0 deg.)

-

Optical Axis Adjustment Angle (Vertical) (Latest)

Latest beam axis adjustment angle value (vertical)

Min.: -12.8 deg, Max.: 12.7 deg

Adjusted angle of beam axis alignment (Default value: 0.0 deg.)

-

Optical Axis Adjustment Angle (Horizontal) (2nd Latest)

2nd latest beam axis adjustment angle value (horizontal)

Min.: -12.8 deg, Max.: 12.7 deg

Adjusted angle of beam axis alignment (Default value: 0.0 deg.)

-

Optical Axis Adjustment Angle (Vertical) (2nd Latest)

2nd latest beam axis adjustment angle value (vertical)

Min.: -12.8 deg, Max.: 12.7 deg

Adjusted angle of beam axis alignment (Default value: 0.0 deg.)

-

Optical Axis Offset Angle (Horizontal)

Beam axis offset value (horizontal)

Min.: -12.8 deg, Max.: 12.7 deg

Beam axis offset value

-

Optical Axis Offset Angle (Vertical)

Beam axis offset value (vertical)

Min.: -12.8 deg, Max.: 12.7 deg

Beam axis offset value

-

Optical Axis Offset Angle (Horizontal) (with On-Line Calibration Angle)

Beam axis offset value (horizontal) (after completing calibration)

Min.: -12.8 deg, Max.: 12.7 deg

Beam axis offset value

-

Optical Axis Offset Angle (Vertical) (with On-Line Calibration Angle)

Beam axis offset value (vertical) (after completing calibration)

Min.: -12.8 deg, Max.: 12.7 deg

Beam axis offset value

-

Microwave Integrated Circuit to Antenna in Front Radar Sensor Communication Error

Communication malfunction status of millimeter wave radar sensor assembly antenna

OFF or ON

ON: Malfunction

OFF: Normal

If this item is "Malfunction", DTC C1A8887 is stored.

Antenna to Microwave Integrated Circuit in Front Radar Sensor Communication Error

Communication malfunction status of microwave integrated circuit in millimeter wave radar sensor assembly

OFF or ON

ON: Malfunction

OFF: Normal

If this item is "Malfunction", DTC C1A8987 is stored.

Microwave Integrated Circuit (VCO Circuit) in Front Radar Sensor Internal Electronic Failure

Internal malfunction status of microwave integrated circuit (VCO circuit) in millimeter wave radar sensor assembly

OFF or ON

ON: Malfunction

OFF: Normal

If this item is "Malfunction", DTC C1A8749 is stored.

Main Microcomputer in Front Radar Sensor Communication Error

Communication malfunction status of main microcomputer in millimeter wave radar sensor assembly

OFF or ON

ON: Malfunction

OFF: Normal

If this item is "Malfunction", DTC C1A8C08 is stored.

IG Voltage Protection

IG voltage protection status

OFF or ON

ON: Malfunction detected

OFF: Normal

If this item is "Malfunction detected", vehicle control history X2028 is stored.

Optical Axis Misalignment (Horizontal)

Beam axis misalignment (horizontal) result

OFF or ON

ON: Misalignment

OFF: Normal

-

Optical Axis Misalignment (Vertical)

Beam axis misalignment (vertical) result

OFF or ON

ON: Misalignment

OFF: Normal

-

Millimeter-wave Circuit Temperature Protection

Millimeter-wave circuit temperature protection status

OFF or ON

ON: Malfunction

OFF: Normal

If this item is "Malfunction", vehicle control history X2027 is stored.

Destination Malfunction

Destination malfunction status

OFF or ON

ON: Malfunction

OFF: Normal

-

IG Voltage

IG voltage value

Min.: 0 V, Max.: 25.5 V

10.5 to 16 V: Ignition switch ON

-

Front Radar Sensor Temperature

Temperature of area around millimeter wave radar sensor assembly

Min.: -32768°C, Max.: 32767°C

Actual temperature of area around millimeter wave radar sensor displayed

This value differs to the outside temperature.

Vehicle Speed

Vehicle speed

Min.: -30 km/h (-19 mph), Max.: 225.99 km/h (159 mph)

Almost same as actual vehicle speed

-

PCS Destination Variation No

Variation number of PCS destination

0 to 15

PCS destination number

-

Radar Cruise Control System Destination Variation No

Variation number of radar cruise control system destination

0 to 15

Radar cruise control system destination number

-

TMN Destination Variation No

Variation number of Traffic Movement Notification destination

0 to 15

TMN destination number

-

Front Radar Sensor Destination Variation No

Millimeter wave radar sensor assembly destination number

0 to 15

Millimeter wave radar sensor assembly destination number

-

Acceleration Suppression at Low Speed Destination Variation No

Variation number of acceleration suppression at low speed destination

0 to 15

Acceleration suppression at low speed destination number

-

Ambient Temperature

Temperature of outside air around the vehicle

Min.: -78.75°C, Max.: 78.125°C

Ambient temperature

-

Wiper Operation Status

Operating status of windshield wiper

Front Wiper Stop / Front Wiper INT / Front Wiper LO / Front Wiper HI / Front Wiper Storage / Service Position / Front Wiper Malfunction

Operating status of front wiper

-

On-Line Calibration Angle (Horizontal)

Calibrated angle value (horizontal)

Min.: -12.8 deg, Max.: 12.7 deg

Learned value

-

On-Line Calibration Angle (Vertical)

Calibrated angle value (vertical)

Min.: -12.8 deg, Max.: 12.7 deg

Learned value

-

    Dtc Check / Clear

    DTC CHECK / CLEAR CHECK DTC (a) Check for DTCs (Test Failed / Pending / Confirmed). Body Electrical > Front Radar Sensor > Trouble Codes GTS Display Description Test Failed Represent malfunctions that were detected during the current trip...

    Fail-safe Chart

    FAIL-SAFE CHART FAIL-SAFE FUNCTION (a) If a malfunction is detected in the front radar sensor system, a message is displayed on the multi-information display and systems related to the malfunction are stopped...

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