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TROUBLE JUDGMENT |
If the chassis No. data is not written when the ETACS-ECU is replaced, the ETACS-ECU sets
diagnosis code No.B1761. |
PROBABLE CAUSES |
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DIAGNOSIS PROCEDURE |
STEP 1. M.U.T.-III CAN bus diagnostics. |
Use the M.U.T.-III to diagnose the CAN bus lines. |
Q.
Is the check result normal?
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STEP 2. Write the Chassis No. |
Write the chassis No. data to the ETACS-ECU. |
Q.
Is diagnosis code No.B1761 set?
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