Inspection Procedure 4: The remote climate control is impossible. (wireless LAN communication is normal)



caution
  • Before replacing the ECU, ensure that the power supply circuit, the earth circuit and the communication circuit are normal.

COMMENTS ON TROUBLE SYMPTOM


If the remote climate control has not been activated (although the wireless LAN communication is normal), the remote climate control is not programmed by your customer or the EV remote-ECU is defective.

PROBABLE CAUSES




DIAGNOSIS PROCEDURE


STEP 1. M.U.T.-III diagnosis code


Check if diagnosis code is stored in the EV remote-ECU.

Q. Is the diagnosis code stored?

Troubleshoot the EV remote-ECU. Refer to .

Go to Step 2

STEP 2. M.U.T.-III data list


Programme a remote climate control by using the MMCS or the wireless LAN device. Then check the service data which is stored in the EV remote-ECU.(Refer to .)

OK: Programmed day and time are displayed

Q. Is the check result normal?

The trouble can be an intermittent malfunction (Refer to GROUP 00 - How to use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunction ).

NO : Replace the EV remote-ECU.