Code No. P1A9B: Change ID (CMU 01),
Code No. P1A9C: Change ID (CMU 02),
Code No. P1A9D: Change ID (CMU 03),
Code No. P1A9E: Change ID (CMU 04),
Code No. P1A9F: Change ID (CMU 05),
Code No. P1AA1: Change ID (CMU 07),
Code No. P1AA2: Change ID (CMU 08),
Code No. P1AA3: Change ID (CMU 09),
Code No. P1AA4: Change ID (CMU 10),
Code No. P1AA5: Change ID (CMU 11)




TROUBLE JUDGEMENT


Check Conditions
  • When numbering the CMU ID
  • The following diagnosis code is not stored.

  1. U1925: CMU ID numbering reception error
Judgement Criterion
  • The change of the CMU ID numbered is detected.

FAIL-SAFE AND BACKUP FUNCTION



  • Not available

PROBABLE CAUSE



  • The CMU is failed.
  • The battery module is recombined.
  • The battery module is replaced.
  • The numbering CMU ID circuit is failed.
  • The BMU is failed.

DIAGNOSIS PROCEDURE


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


Q. Is diagnosis code U1925 stored?

Check code No. U1925: CMU ID numbering reception error (Refer to ).
Go to Step 2.

STEP 2. M.U.T.-III diagnosis code



  • Reconfirmation of diagnosis code.

Q. Is the diagnosis code stored?

Go to Step 3.
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions ).

STEP 3. M.U.T.-III diagnosis code



  • Use the M.U.T.-III and perform the numbering CMU ID.

Q. Is the diagnosis code stored?

Remove the battery tray cover (Refer to ). Replace the CMU where the CMU ID is not numbered. Then, assemble the drive battery assembly (Refer to ).
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions ).