Toyota Yaris: Lighting System / Lost Communication with Cruise Control Front Distance Range Sensor Signal Sensor or Center Missing Message (U023587)
DESCRIPTION
The forward recognition camera and millimeter wave radar sensor assembly communicate via CAN communication. If there is an error in the communication with the millimeter wave radar sensor assembly, the forward recognition camera stores DTC U023587.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
U023587 | Lost Communication with Cruise Control Front Distance Range Sensor Signal Sensor or Center Missing Message | The forward recognition camera does not receive data from the millimeter wave radar sensor assembly for approximately 5 seconds or more. | Lane tracing assist system |
PROCEDURE
1. | GO TO PRE-COLLISION SYSTEM |
HINT:
If DTC U023587 is output by the lighting system, perform troubleshooting for the lane tracing assist system.
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NEXT |
| END |
DESCRIPTION These DTCs are stored if a CAN communication malfunction occurs between the forward recognition camera and other ECUs. DTC No. Detection Item DTC Detection Condition Trouble Area U010087 Lost Communication With ECM/PCM "A" Missing Message The forward recognition camera does not receive data from the ECM for approximately 5 seconds or more...
DESCRIPTION The steering sensor receives the turn signal switch information and controls the turn signal lights. WIRING DIAGRAM
PROCEDURE 1. READ VALUE USING GTS (a) Read the Data List according to the display on the GTS...
Other information:
PRECAUTION PRECAUTIONS FOR FRONT RADAR SENSOR SYSTEM (a) The millimeter wave radar sensor assembly may not be able to reliably detect the following objects:
Pylons made from plastic, etc., glass surfaces such as the entrance to a convenience store, low to the ground objects such as curbs, etc...
DESCRIPTION The main body ECU (multiplex network body ECU) controls the low beam headlights. WIRING DIAGRAM
CAUTION / NOTICE / HINT NOTICE:
Before replacing the main body ECU (multiplex network body ECU), refer to Registration.
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First perform the communication function inspections in How to Proceed with Troubleshooting to confirm that there are no CAN communication malfunctions before troubleshooting this symptom...
Categories
Stop the vehicle completely.
Manual transaxle:
Shift into neutral and set the parking brake.
Automatic transaxle:
Shift the selector lever to the P position and set the parking brake.
Press the push button start to turn off the engine. The ignition position is
off.
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