Toyota Yaris: Dynamic Radar Cruise Control System / Lost Communication with Image Processing Module "A" Missing Message (U023A87)
DESCRIPTION
The millimeter wave radar sensor assembly is connected to the forward recognition camera via the CAN communication line. If the millimeter wave radar sensor assembly receives signals indicating that its communication with the forward recognition camera is abnormal, the millimeter wave radar sensor assembly stores DTC U023A87.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from |
|---|---|---|---|---|
| U023A87 | Lost Communication with Image Processing Module "A" Missing Message | When the ignition switch is ON for 3 seconds or more and the dynamic radar cruise control system is operating, a communication data malfunction between the forward recognition camera and the millimeter wave radar sensor assembly continues for approximately 2 seconds or more. | Pre-collision system | Radar Cruise2 |
PROCEDURE
| 1. | GO TO PRE-COLLISION SYSTEM |
HINT:
If DTC U023A87 is output by the dynamic radar cruise control system, perform troubleshooting for the pre-collision system.
Click here
| NEXT |
 | END |
Lost Communication with ECM/PCM "A" Missing Message (U010087,U012687,U012987,U015587)
DESCRIPTION The millimeter wave radar sensor assembly communicates with each sensor and ECU via CAN communication. If any malfunction is detected in a CAN communication circuit, one or more CAN communication system DTCs are stored...
Internal Control Module Software Incompatibility Not Programmed (U030051,U030057)
DESCRIPTION
If the millimeter wave radar sensor assembly cannot confirm the vehicle information (powertrain type) sent from the ECM, the millimeter wave radar sensor assembly stores DTC U030051...
Other information:
Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: ECM Power Source Circuit
DESCRIPTION When the ignition switch is turned on (IG), the auxiliary battery voltage is applied to IGSW of the ECM. When the transistor in the MREL circuit operates, current flows from the auxiliary battery to ground through the drive circuit of the EFI-MAIN NO...
Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: Components
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Fuel-Filler Lid and Cap
WARNING
When removing the fuel-filler cap, loosen the cap slightly and wait for any hissing to stop, then remove it
Fuel spray is dangerous. Fuel can burn skin and eyes and cause illness if ingested. Fuel spray is released when there is pressure in the fuel tank and the fuel-filler cap is removed too quickly.
