Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: 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) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Front Radar Sensor / Trouble Codes.

Body Electrical > Front Radar Sensor > Trouble Codes

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

(f) 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

Sensor position

Min.: -1.28 m, Max.: 1.27 m

Actual sensor position displayed

-

Vehicle Setting Value Delta Z

Sensor position

Min.: 0.00 m, Max.: 655.35 m

Actual sensor position displayed

-

Vehicle Setting Value H

Sensor position

Min.: 0.00 m, Max.: 2.55 m

Actual sensor position displayed

-

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

-

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

-

Dirt Detection for Radar Cruise

Dirt detection status for radar cruise

OFF or ON

OFF: Dirt not detected

ON: Dirt detected

-

Dirt Detection for PCS

Dirt detection status for PCS

OFF or ON

OFF: Dirt not detected

ON: Dirt detected

-

Partially Dirt Detection

Partial dirt detection status

OFF or ON

OFF: Dirt not detected

ON: Dirt detected

-

Data Flash Malfunction

Data flash malfunction status

OFF or ON

OFF: Normal

ON: Malfunction detected

-

Power Supply Circuit Malfunction

Power supply circuit malfunction status

OFF or ON

OFF: Normal

ON: Malfunction detected

-

Millimeter-wave Circuit Malfunction

Millimeter-wave radar sensor circuit malfunction status

OFF or ON

OFF: Normal

ON: Malfunction detected

-

eDMA Transfer Completed Interrupt Malfunction

-

-

-

Cannot be used

Acceleration Sensor Malfunction

Acceleration sensor malfunction status

OFF or ON

OFF: Normal

ON: Malfunction detected

-

IG Voltage Protection

IG voltage protection status

OFF or ON

OFF: Normal

ON: Malfunction detected

-

Optical Axis Misalignment (Vertical - Acceleration Sensor Method)

Beam axis misalignment (vertical) result

OFF or ON

OFF: Normal

ON: Misalignment

-

Optical Axis Misalignment (Horizontal)

Beam axis misalignment (horizontal) result

OFF or ON

OFF: Normal

ON: Misalignment

-

Optical Axis Misalignment (Vertical - Acceleration Sensor Method and Recognition Method)

Beam axis misalignment (vertical) result

OFF or ON

OFF: Normal

ON: Misalignment

-

Communication Error Between Front Radar Sensor and System Control ECU

Communication error status between front radar sensor and system control ECU

OFF or ON

OFF: Normal

ON: Malfunction

-

Millimeter-wave Circuit Temperature Protection

Millimeter-wave circuit temperature protection status

OFF or ON

OFF: Normal

ON: Malfunction

-

Destination Malfunction

Destination malfunction status

OFF or ON

OFF: Normal

ON: Malfunction

-

IG Voltage

IG voltage value

Min.: 0.0 V, Max.: 25.5 V

11.0 to 14.0 V: Engine switch on (IG)

-

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

-

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 FOR DTC (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Front Radar Sen ...

    Data List / Active Test
    DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a pa ...

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    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

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