Toyota Yaris: Dynamic Radar Cruise Control System / Internal Control Module Software Incompatibility Not Programmed (U030051,U030057)
DESCRIPTION
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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.
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If the vehicle information (powertrain type) stored in the millimeter wave radar sensor assembly does not match the vehicle information sent from the ECM, the millimeter wave radar sensor assembly stores DTC U030057.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from |
| U030051 | Internal Control Module Software Incompatibility Not Programmed | While the dynamic radar cruise control system is operating, the millimeter wave radar sensor assembly cannot confirm the vehicle information (powertrain type) sent from the ECM for approximately 3 seconds or more. | Pre-collision system | Radar Cruise2 |
| U030057 | Internal Control Module Software Incompatibility Invalid/Incompatible Software Component | While the dynamic radar cruise control system is operating, the vehicle information (powertrain type) stored in the millimeter wave radar sensor assembly does not match the vehicle information sent from the ECM for approximately 1 second or more. | Pre-collision system | Radar Cruise2 |
PROCEDURE
| 1. | GO TO PRE-COLLISION SYSTEM |
HINT:
If DTC U030051 is output by the dynamic radar cruise control system, perform troubleshooting for the pre-collision system.
Click here
| NEXT |
| END |
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...
DESCRIPTION If the millimeter wave radar sensor assembly cannot confirm the vehicle information (steering wheel position) sent from the main body ECU (multiplex network body ECU), the millimeter wave radar sensor assembly stores DTC U032251...
Other information:
REMOVAL PROCEDURE 1. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM Click here
2. REMOVE NO. 1 ENGINE UNDER COVER ASSEMBLY Click here
3. REMOVE FAN AND GENERATOR V BELT Click here
4. DISCONNECT SUCTION HOSE SUB-ASSEMBLY (a) Remove the bolt and disconnect the suction hose sub-assembly from the compressor with pulley assembly...
ADJUSTMENT PROCEDURE 1. INSPECT AND ADJUST BRAKE PEDAL HEIGHT (a) Remove front door scuff plate LH. Click here
(b) Remove cowl side trim board LH. Click here
(c) Turn back floor carpet. (d) Turn back dash panel insulator assembly. (e) Check the brake pedal height...
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