Work Procedure
When replacing ADAS control unit 2, it is necessary to write MAC key to ADAS control unit 2. Write MAC key to ADAS control unit 2 according to "MAC Key writing" procedure of "M.U.T.-III SE User's Manual".
CAUTION:
During MAC key writing, maintain the following conditions:
- When electric motor switch is ON
- M.U.T.-III SE is connected to internet
NOTE:
When the chassis number writing, MAC KEY writing or vehicle specification writing is carried out, DTC No. U2252-08 may be set in the PHEV-ECU, or DTC No. C1F04-61 may be set in the ADAS control unit 2. Therefore, carry out the following procedures after the writing.
- Check that the DTC No. C1F04-61 is set in the ADAS control unit 2.
- When the DTC is not set: Go to Step 2.
- When the DTC is set as a past trouble: Erase the DTC, then go to Step 2.
- When the DTC is set as a current trouble: Carry out the following procedures.
- Start the engine (set the drive mode to battery charge mode, or start the continuous idling mode) or drive the vehicle at 5 km/h or more.
- Change the power supply mode of the electric motor switch to OFF.
- Change the power supply mode of the electric motor switch to ON.
- Check whether the DTC No. C1F04-61 is set in the ADAS control unit 2.
When the DTC is set as a current trouble: Carry out the diagnosis procedures for the DTC No. C1F04-61, then go to Step 2.
When the DTC is set as a past trouble: Erase the DTC, then go to Step 2.
- Check that the DTC No. U2252-08 is set in the PHEV-ECU.
- When the DTC is not set: End the diagnosis.
- When the DTC is set as a past trouble: Erase the DTC, then end the diagnosis.
- When the DTC is set as a current trouble: Carry out the diagnosis procedures for the DTC No. U2252-08.