Code No.U1514 Bit error(LIN)
JUDGEMENT CRITERIA
The ETACS-ECU receives and sends data simultaneously. If the data contains a fault, the ETACS-ECU will set diagnosis code No. U1514.
PROBABLE CAUSES
- Malfunction of the slave ECU
- Malfunction of the ETACS-ECU
- Electrical noise generated in the LIN bus lines
DIAGNOSIS PROCEDURE
Check whether the diagnosis code is reset.
Check again if the diagnosis code is set to the ETACS-ECU.
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(1)Erase the diagnosis code.
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(2)Turn the ignition switch from "LOCK" (OFF) position to "ON" position.
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(3)Check if diagnosis code is set.
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Q.
Is the diagnosis code set?
A diagnosis code other than No. U1514 is set. : Replace the appropriate ECU.
Diagnosis code No. U1514 is set. : Replace the ETACS-ECU.
The diagnosis code is not set. : The trouble can be an intermittent malfunction (GROUP 00 - How to Cope with Intermittent Malfunction ).