Lexus NX: 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 part is faulty or not.
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Front Radar Sensor / Data List.
(e) Read the Data List according to the display on the Techstream.
Body Electrical > Front Radar Sensor > Data List| 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 | ON: Dirt detected OFF: Dirt not detected | - |
| Dirt Detection for PCS | Dirt detection status for PCS | OFF or ON | ON: Dirt detected OFF: Dirt not detected | - |
| Partially Dirt Detection | Partial dirt detection status | OFF or ON | ON: Dirt detected OFF: Dirt not detected | - |
| Data Flash Malfunction | Data flash malfunction status | OFF or ON | ON: Malfunction detected OFF: Normal | - |
| Power Supply Circuit Malfunction | Power supply circuit malfunction status | OFF or ON | ON: Malfunction detected OFF: Normal | - |
| Millimeter-wave Circuit Malfunction | Millimeter-wave radar sensor circuit malfunction status | OFF or ON | ON: Malfunction detected OFF: Normal | - |
| eDMA Transfer Completed Interrupt Malfunction | - | - | - | Cannot be used |
| Acceleration Sensor Malfunction | Acceleration sensor malfunction status | OFF or ON | ON: Malfunction detected OFF: Normal | - |
| IG Voltage Protection | IG voltage protection status | OFF or ON | ON: Malfunction detected OFF: Normal | - |
| Optical Axis Misalignment (Vertical - Acceleration Sensor Method) | Beam axis misalignment (vertical) result | OFF or ON | ON: Misalignment OFF: Normal | - |
| Optical Axis Misalignment (Horizontal) | Beam axis misalignment (horizontal) result | OFF or ON | ON: Misalignment OFF: Normal | - |
| Optical Axis Misalignment (Vertical - Acceleration Sensor Method and Recognition Method) | Beam axis misalignment (vertical) result | OFF or ON | ON: Misalignment OFF: Normal | - |
| Communication Error Between Front Radar Sensor and System Control ECU | Communication error status between front radar sensor and system control ECU | OFF or ON | ON: Malfunction OFF: Normal | - |
| Millimeter-wave Circuit Temperature Protection | Millimeter-wave circuit temperature protection status | OFF or ON | ON: Malfunction OFF: Normal | - |
| Destination Malfunction | Destination malfunction status | OFF or ON | ON: Malfunction OFF: Normal | - |
| IG Voltage | IG voltage value | Min.: 0.0 V, Max.: 25.5 V | 11 to 14 V: Power switch on (IG) | - |
| Front Radar Sensor Temperature | Temperature of area around millimeter wave radar sensor assembly | Min.: -32768°C (-58950°F), Max.: 32767°C (59013°F) | Actual temperature of area around millimeter wave radar sensor displayed | This value differs to the outside temperature. |
| Vehicle Speed | Vehicle speed | Min.: -30.00 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 | - |
READ NEXT:
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Front Radar Sensor System DTC No. Detection Item Link C1A1100 Front Radar Sensor Optical Axis Misalignment Malfunction C1A8C46 Main Microcomputer
Vehicle Control History
VEHICLE CONTROL HISTORY NOTICE: When checking the Vehicle Control History, make sure to record the output codes. Then, clear the Vehicle Control History (RoB) and check it again. CHECK VEHICLE CONTROL
Main Microcomputer in Front Radar Sensor Calibration/Parameter Memory Failure (C1A8C46,C1A8D1C,C1A9000,C1A9100)
DESCRIPTION When an internal malfunction is detected in the millimeter wave radar sensor assembly, a DTC is stored. DTC No. Detection Item DTC Detection Condition Trouble Area C1A8C46 M
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Replacement
REPLACEMENT PROCEDURE 1. REMOVE NO. 1 ENGINE UNDER COVER Click here 2. DRAIN COOLANT (for Inverter Coolant) NOTICE: Collect the drained coolant and measure its volume to establish a benchmark. When adding coolant, make sure to add more coolant than the measured amount. (a) Remove the inverter re
System Diagram
SYSTEM DIAGRAM Component Outline Power switch
Transponder key amplifier
Turns on the power and starts the hybrid control system.
Contains a built-in transponder key amplifier to start the hybrid control system when the electrical key transmitter sub-assembly does not operate
