STEP 3. Using scan tool (M.U.T.-IIISE), check whether the DTC is set.
(1) Depress the brake pedal, and turn on the power supply mode of the electric motor switch (READY operation)*.note | *: When a DTC is set, you cannot make the READY (ready to drive) indicator illuminate by making the READY operation. |
(2) Select "BMU" from System select Screen of the scan tool (M.U.T.-IIISE).
(3) Select the "Special Function" from the BMU screen.
(4) Select the "Test" from the Special Function screen
(5) Select the "Battery heating system drive" from the Test screen.note | "Battery heating system drive" can be performed only once after the power supply mode of the electric motor switch is turned ON. |
(6) Turn off the power supply mode of the electric motor switch.
(7) Check the DTC.
Is the DTC set?
Replace the main drive lithium-ion battery PTC heater contactor (P) or (N) drive relay. Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions ).