STEP 1. Using scan tool (M.U.T.-IIISE), check the data list. <CMU>
(1) Turn on the power supply mode of the electric motor switch.
(2) Select "CMU" from System select Screen of the scan tool (M.U.T.-IIISE).
(3) Select the "Special Function" from the main CMU screen.
(4) Select the "Reset" from the Special Function screen
(5) CMU data list (Refer to ).- Item No.24: Cell monitor IC 3
- Item No.26: Cell monitor IC 5
OK: Normal
Is the check result normal
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions ). Remove the battery tray cover (Refer to ). Replace the cell monitoring unit (CMU) corresponding to the diagnostic trouble code being set (Refer to ). Then, assemble the main drive lithium-ion battery assembly (Refer to ). Then go to Step 2.