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SERVICE PROCEDURE
caution
  • When you assemble and disassemble the drive battery, always wear electric-insulated gloves, boots and protection glasses.
  • Use the special tool MB992915 to protect the unaffected area (which you do not service) of the removed drive battery.
  • When you service an electric terminal on the module, remove the respective cover ONLY (do not remove the other covers).
  • Before engaging the bus bar, make sure that it is not scratched or contaminated.
  • A damaged wiring harness clip should be replaced with new one.
  • Always use a torque wrench to tighten a nut or bolt to the specified torque. Then identify it with a paint mark.
After assembling the drive battery, check the followings:
  1. Before mounting the drive battery on the vehicle, check the drive battery for air leaks (Refer to AIR LEAK CHECK) .
  2. Use the scan tool (M.U.T.-IIISE) to check that no diagnostic trouble code is set.
 
 
Battery Management Unit (BMU) removal and instalaltion
Service procedureWork descriptionReference page
1Battery tray cover removal and installationBATTERY TRAY COVER REMOVAL AND INSTALLATION
3Service plug box assembly removal and installationSERVICE PLUG BOX ASSEMBLY REMOVAL AND INSTALLATION
4Battery Management Unit (BMU) removal and instalaltionBMU REMOVAL AND INSTALLATION
 
 
Junction box No. 2 removal and installaltion
Service procedureWork descriptionReference page
1Battery tray cover removal and installationBATTERY TRAY COVER REMOVAL AND INSTALLATION
3Service plug box assembly removal and installationSERVICE PLUG BOX ASSEMBLY REMOVAL AND INSTALLATION
4Battery Management Unit (BMU) removal and instalaltionBMU REMOVAL AND INSTALLATION
5Battery control harness and cell voltage harness removal and instalaltionBATTERY CONTORL HARNESS AND CELL VOLTAGE HARNESS REMOVAL AND INSTALLATION
6Battery upper plate and bus bar between module removal and installationBATTERY UPPER PLATE AND BATTERY MODULE BUS BAR REMOVAL AND INSTALLATION
7Junction box No. 2 removal and installaltionJUNCTION BOX NO.2 REMOVAL AND INSTALLATION
 
 
Drive battery cooler removal and installation
Service procedureWork descriptionReference page
1Battery tray cover removal and installationBATTERY TRAY COVER REMOVAL AND INSTALLATION
2Drive battery cooler assembly removal and installationDRIVE BATERY COOLER REMOVAL AND INSTALLATION
 
 
Drive battery cooler pipe assembly removal and installation
Service procedureWork descriptionReference page
1Battery tray cover removal and installationBATTERY TRAY COVER REMOVAL AND INSTALLATION
2Drive battery cooler assembly removal and installationDRIVE BATERY COOLER REMOVAL AND INSTALLATION
3Service plug box assembly removal and installationSERVICE PLUG BOX ASSEMBLY REMOVAL AND INSTALLATION
4Battery upper plate (D) removal and installationBMU REMOVAL AND INSTALLATION
5Battery control harness and cell voltage harness removal and instalaltionBATTERY CONTORL HARNESS AND CELL VOLTAGE HARNESS REMOVAL AND INSTALLATION
6Battery upper plate (A, B), bus bar between module (A, F) removal and installationBATTERY UPPER PLATE AND BATTERY MODULE BUS BAR REMOVAL AND INSTALLATION
7Junction box No. 2 bus bar (A, B), drive battery high voltage connector (front) bus bar removal and installationJUNCTION BOX NO.2 REMOVAL AND INSTALLATION
8Battery module No. 8 removal and installationBATTERY MODULE REMOVAL AND INSTALLATION
9Drive battery cooler pipe assembly removal and installationDRIVE BATTERY COOLER PIPE ASSEMBLY REMOVAL AND INSTALLATION
 
 
Battery module temperature sensor removal and installation
Battery module temperature sensor No. 1
Service procedureWork descriptionReference page
1Battery tray cover removal and installationBATTERY TRAY COVER REMOVAL AND INSTALLATION
2Drive battery cooler assembly removal and installationDRIVE BATERY COOLER REMOVAL AND INSTALLATION
3Service plug box assembly removal and installationSERVICE PLUG BOX ASSEMBLY REMOVAL AND INSTALLATION
4Service plug bus bar (C) removal and installationBMU REMOVAL AND INSTALLATION
8Battery module temperature sensor No. 1 removal and installationBATTERY MODULE REMOVAL AND INSTALLATION
Battery module temperature sensor No. 2
Service procedureWork descriptionReference page
1Battery tray cover removal and installationBATTERY TRAY COVER REMOVAL AND INSTALLATION
8Battery module temperature sensor No. 2 removal and installationBATTERY MODULE REMOVAL AND INSTALLATION
Battery module temperature sensor No. 3
Service procedureWork descriptionReference page
1Battery tray cover removal and installationBATTERY TRAY COVER REMOVAL AND INSTALLATION
3Service plug box assembly removal and installationSERVICE PLUG BOX ASSEMBLY REMOVAL AND INSTALLATION
4Battery upper plate (D) removal and installationBMU REMOVAL AND INSTALLATION
5Battery control harness and cell voltage harness removal and instalaltionBATTERY CONTORL HARNESS AND CELL VOLTAGE HARNESS REMOVAL AND INSTALLATION
6Battery upper plate (A) removal and installationBATTERY UPPER PLATE AND BATTERY MODULE BUS BAR REMOVAL AND INSTALLATION
7Drive battery high voltage connector (front) bus bar removal and installationJUNCTION BOX NO.2 REMOVAL AND INSTALLATION
8Battery module temperature sensor No. 3 removal and installationBATTERY MODULE REMOVAL AND INSTALLATION
Battery module temperature sensor No. 4
Service procedureWork descriptionReference page
1Battery tray cover removal and installationBATTERY TRAY COVER REMOVAL AND INSTALLATION
3Service plug box assembly removal and installationSERVICE PLUG BOX ASSEMBLY REMOVAL AND INSTALLATION
4Battery upper plate (D) removal and installationBMU REMOVAL AND INSTALLATION
5Battery control harness and cell voltage harness removal and instalaltionBATTERY CONTORL HARNESS AND CELL VOLTAGE HARNESS REMOVAL AND INSTALLATION
8Battery module temperature sensor No. 4 removal and installationBATTERY MODULE REMOVAL AND INSTALLATION