Toyota Yaris: Lane Tracing Assist System / Internal Control Module Software Incompatibility Not Programmed (U030051,U030057)
DESCRIPTION
The forward recognition camera receives vehicle information from the ECM via the CAN communication line. If the forward recognition camera cannot confirm the vehicle information sent from the ECM, the forward recognition camera stores DTC U030051.
The forward recognition camera receives vehicle information from the ECM via the CAN communication line. If the vehicle information stored in the forward recognition camera does not match the vehicle information sent from the ECM, the forward recognition camera stores DTC U030057.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
| U030051 | Internal Control Module Software Incompatibility Not Programmed | When the ignition switch is ON for 3 seconds or more, the forward recognition camera cannot confirm the vehicle information sent from the ECM for approximately 2 seconds or more. | Front camera system |
| U030057 | Internal Control Module Software Incompatibility Invalid/Incompatible Software Component | When the ignition switch is ON for 3 seconds or more, the vehicle information stored in the forward recognition camera does not match the vehicle information sent from the ECM for approximately 1 second or more. | Front camera system |
PROCEDURE
| 1. | GO TO FRONT CAMERA SYSTEM |
HINT:
If U030051 or U030057 is output by the lane tracing assist system, perform troubleshooting for the front camera system DTC U030051 or U030057.
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| END |
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...
DESCRIPTION The forward recognition camera receives LTA main switch signals from the steering pad switch assembly. WIRING DIAGRAM
CAUTION / NOTICE / HINT NOTICE:
When replacing the forward recognition camera, always replace it with a new one...
Other information:
INSPECTION PROCEDURE 1. INSPECT OCCUPANT DETECTION SENSOR (SEPARATE TYPE FRONT SEAT CUSHION PAD) (a) Check the resistance. (1) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition
If the result is not as specified, replace the occupant detection sensor (separate type front seat cushion pad)...
FAIL-SAFE CHART PULSE FAILURE (a) If a pulse sensor built into the power window regulator motor assembly malfunctions, the following power window operations will be prohibited. Multiplex Network Master Switch Assembly, Power Window Regulator Switch Assembly Power Window Operation Condition Ignition switch ON Ignition switch off (Key-off operation permitted) Ignition switch off (Key-off operation prohibited) Manual up (Switch on the door) ▲ X - Manual down (Switch on the door) ● X - Auto up (Switch on the door) X X - Auto down (Switch on the door) X X - Manual up (Remote switch operation) X X - Manual down (Remote switch operation) X X - Auto up (Remote switch operation) X X - Auto down (Remote switch operation) X X - Key-linked open and close - X X Wireless transmitter-linked open and close*1 - X X
*1: w/ Wireless Transmitter-linked Close Function
HINT:
●: Operates without catch protection
▲: Operates for approximately 0...
Categories

Smart key
Auxiliary key
Key code number plate
To use the auxiliary key, press the knob and pull out the auxiliary key
from the smart key.

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