The eCall unit has a built-in battery that needs to be replaced in approximately 3 years. Also, when the emergency call system is activated once, the battery built into the eCall unit must be replaced.
When replacing the eCall unit, it is necessary to write the vehicle information into the new eCall unit.
When replacing the eCall unit, before removal upload the old eCall unit data to the scan tool, referring to the following.
The scan tool used for the replacement procedure must be the same from start to finish. If the scan tool is changed midway, information cannot be written correctly.
When communication between the old eCall unit and the scan tool can be established, perform the vehicle information download.
Caution
1) Connect the scan tool to the DLC.
2) Turn ON the ignition switch.
3) Select "Download Vehicle Configuration Data" on the scan tool.
4) Program the vehicle data into the eCall unit by following the on-screen instructions.
5) After completing the download, turn OFF the ignition switch.
Only when communication between the old eCall unit and the scan tool cannot be established, perform the vehicle information programming.
1) Connect the scan tool to the DLC.
2) Turn ON the ignition switch.
3) Select "Program Vehicle Configuration Data" on the scan tool.
4) Program the vehicle data by following the on-screen instructions.
5) Turn OFF the ignition switch for 30 seconds.
1) Connect the scan tool to the DLC.
2) Turn ON the ignition switch.
3) Select "Program VIN (Vehicle Identification Number)" on the scan tool.
4) Following the on-screen instructions, operate the scan tool to program the VIN into the control panel.
Note
5) Turn OFF the ignition switch.
Note
1) Connect the scan tool to the DLC.
2) Turn ON the ignition switch.
3) Select "ECU Lock" on the scan tool.
4) Perform ECU Lock by following the on-screen instructions.
5) Turn OFF the ignition switch for 30 seconds.
1) Observe the DTC information with a scan tool.
2) If a DTC is set, clear the DTC.
3) Turn OFF the ignition switch.
4) Turn ON the ignition switch.
5) Observe the DTC information with a scan tool.
6) If a DTC is set, go to the applicable diagnosis.