Operation Check [10/2020 - 10/2022]

1. Duplicate the problem symptom.
2. Check for DTCs and repair the systems for which any DTCs are output.

   Refer to DTC CHECK / CLEAR [10/2020 - 10/2022]

3. Delete all personal data from the head unit. (Remove the LEXUS App Suite app [Fleet app])
   1. Delete all personal data from the head unit.
      NOTE:

      Only perform this step if the customer is present and approves.

4. Reinstall the LEXUS App Suite app (Fleet app) on the head unit. (If removed.)
5. Disconnect the cable from the negative (-) battery terminal.
   NOTE:

   After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

   Refer to BEFORE DISCONNECTING BATTERY [10/2020 - 10/2022]

   1. Record all radio station presets.
   2. Disconnect the cable from the negative (-) battery terminal and leave it disconnected for 2 minutes.
6. Check if the problem symptom has been repaired.

HINT: 

Infotainment Apps are divided by attributes into [Pattern A] or [Pattern B] depending on application.

Refer to SYSTEM DESCRIPTION [10/2020 - 10/2022] 

1. For Pattern A:
   1. Duplicate the problem symptom.
   2. Check for DTCs and repair the systems for which any DTCs are output.

      Refer to DTC CHECK / CLEAR [10/2020 - 10/2022]

   3. Check cellular phone compatibility.
      1. Check if the cellular phone/vehicle is compatible (Refer to http://www.lexus.com/Enform/).
      2. If the cellular phone is not compatible, recommend to the customer a compatible cellular phone.
   4. Delete all paired devices from the cellular phone.
      1. The procedure varies based on phone model. Contact the service provider or cellular phone manufacturer if assistance is required.
   5. Remove the LEXUS App Suite app (Companion app) from the phone.
      NOTE:

      Only perform this step if the customer is present and approves.

      1. The procedure varies based on phone model. Contact the service provider or cellular phone manufacturer if assistance is required.
   6. Reset the phone.
      NOTE:

      Only perform this step if the customer is present and approves.

      1. Turn off the phone and remove the battery for 15 seconds. For instructions on how to reset cellular devices, refer to the appropriate manufacturer's website.
   7. Reinstall the LEXUS App Suite app (Companion app) on the phone. (If removed.)
      1. The procedure varies based on phone model. Contact the service provider or cellular phone manufacturer if assistance is required.
   8. Delete all personal data from the head unit. (Remove the LEXUS App Suite app [Infotainment app])
      1. Delete all personal data from the head unit.
         NOTE:

         Only perform this step if the customer is present and approves.

   9. Reinstall the LEXUS App Suite app (Infotainment app) on the head unit. (If removed.)
   10. Disconnect the cable from the negative (-) battery terminal.
       NOTE:

       After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

       Refer to PRECAUTION [10/2020 - 10/2023]

       1. Record all radio station presets.
       2. Disconnect the cable from the negative (-) battery terminal and leave it disconnected for 2 minutes.
   11. Check if the problem symptom has been repaired.
2. For Pattern B:
   1. Duplicate the problem symptom.
   2. Check for DTCs and repair the systems for which any DTCs are output.

      Refer to DTC CHECK / CLEAR [10/2020 - 10/2022]

   3. Check cellular phone compatibility.
      1. Check if the cellular phone/vehicle is compatible (Refer to http://www.lexus.com/Enform/).
      2. If the cellular phone is not compatible, recommend to the customer a compatible cellular phone.
   4. Delete all paired devices from the cellular phone.
      1. The procedure varies based on phone model. Contact the service provider or cellular phone manufacturer if assistance is required.
   5. Remove the LEXUS App Suite apps (Companion app and Infotainment app) from the phone.
      NOTE:

      Only perform this step if the customer is present and approves.

      1. The procedure varies based on phone model. Contact the service provider or cellular phone manufacturer if assistance is required.
   6. Reset the phone.
      NOTE:

      Only perform this step if the customer is present and approves.

      1. Turn off the phone and remove the battery for 15 seconds. For instructions on how to reset cellular devices, refer to the appropriate manufacturer's website.
   7. Reinstall the LEXUS App Suite apps (Companion app and Infotainment app) on the phone. (If removed.)
      1. The procedure varies based on phone model. Contact the service provider or cellular phone manufacturer if assistance is required.
   8. Delete all personal data from the head unit. (Remove the LEXUS App Suite app [Infotainment app])
      1. Delete all personal data from the head unit.
         NOTE:

         Only perform this step if the customer is present and approves.

   9. Reinstall the LEXUS App Suite app (Infotainment app) on the head unit. (If removed.)
   10. Disconnect the cable from the negative (-) battery terminal.
       NOTE:

       After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

       Refer to PRECAUTION [10/2020 - 10/2023]

       1. Record all radio station presets.
       2. Disconnect the cable from the negative (-) battery terminal and leave it disconnected for 2 minutes.
   11. Check if the problem symptom has been repaired.