Lexus ES: Utility
UTILITY
NOTICE:
- When replacing the millimeter wave radar sensor assembly, always replace it with a new one. If a millimeter wave radar sensor assembly which was installed to another vehicle is used, the information stored in the millimeter wave radar sensor assembly will not match the information from the vehicle and a DTC may be stored.
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When the millimeter wave radar sensor assembly is replaced with a new one, adjustment of the millimeter wave radar sensor beam axis must be performed.
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Front Beam Axis Adjustment
HINT:
Front Beam Axis Adjustment is used to calibrate the beam axis of millimeter wave radar sensor assembly.
(a) Perform Front Beam Axis Adjustment according to the display on the Techstream.
Body Electrical > Front Radar Sensor > Utility| Tester Display |
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| Front Beam Axis Adjustment |
Front Beam Axis Misalignment Reading
HINT:
Front Beam Axis Misalignment Reading is used to check the amount of misalignment of the millimeter wave radar sensor assembly.
(a) Perform Front Beam Axis Misalignment Reading according to the display on the Techstream.
Body Electrical > Front Radar Sensor > Utility| Tester Display |
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| Front Beam Axis Misalignment Reading |
Front Radar Acceleration Sensor Calibration
HINT:
Front Radar Acceleration Sensor Calibration is used to perform calibration of the acceleration sensor in the millimeter wave radar sensor assembly.
(a) Perform Front Radar Acceleration Sensor Calibration according to the display on the Techstream.
Body Electrical > Front Radar Sensor > Utility| Tester Display |
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| Front Radar Acceleration Sensor Calibration |
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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 listed in order of
Terminals Of Ecu
TERMINALS OF ECU NOTICE:
Turning the engine switch on (IG) with connectors disconnected may cause DTCs to be stored. Make sure to clear the DTCs after inspection has been performed.
Do not apply
Dtc Check / Clear
DTC CHECK / CLEAR CHECK 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 Sens
SEE MORE:
Dtc Combination Table
DTC COMBINATION TABLE HOW TO INTERPRET COMMUNICATION DTCS (DTCS THAT START WITH U) (a) If a CAN communication error cannot be reproduced, determine the suspected malfunctioning part using the DTCs stored in ECUs that are connected to the CAN buses by following the procedure below. HINT: Communicatio
Back Camera Initialization Incomplete (C1691)
DESCRIPTION This DTC is stored when the rear television camera assembly judges that the back camera initial setting has not been memorized (rear television camera assembly optical axis adjustment (back camera position setting) is incomplete). DTC No. Detection Item DTC Detection Condition T
