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:
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT STOP LIGHT SWITCH ASSEMBLY (a) Disconnect the stop light switch assembly connector. (b) Measure the voltage and resistance on the wire harness side connector according to the value(s) in the table below. Standard Voltage: Tester Connection Condition Specified Condition A63-7 (B) - A63-2 (GND) Always 11 to 14 V A63-6 (B) - A63-2 (GND) Ignition switch on (IG) 11 to 14 V Standard Resistance: Tester Connection Condition Specified Condition A63-2 (GND) - Body ground Always Below 1 Ω If the result is not as specified, repair or replace the wire harness or connector...
INSPECTION PROCEDURE 1. INSPECT OIL PRESSURE AND TEMPERATURE SENSOR (a) Check the oil pressure and temperature sensor output voltage. (1) Apply 5 V between terminals 3 (VC) and 2 (GND). NOTICE:
Be careful when connecting the leads as the oil pressure and temperature sensor may be damaged if the leads are connected to the wrong terminals...
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