caution | Before replacing the ECU,
ensure that the power supply circuit, the earth circuit and the communication circuit are normal. |
note | KOS&OSS-ECU can communicate with the M.U.T.-III even when the engine switch is
in the "OFF" position. |
note | Prior to diagnosis, read "Troubleshooting procedure when vehicle power does not turn ON" ![]() |
(1)Turn on and off any of the door switches several times, or open any of the doors. |
(2)Check that KOS&OSS-ECU can communicate with the M.U.T.-III. |
note | If the customized contents do not satisfy your intention, customise the system again. |