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HV ELECTRICAL SYSTEM
CONTENTS
1. GENERAL INFORMATION..................................................................................................... 1
1.1. TOOLS......................................................................................................................... 1
1.2. HAND GLOVES ........................................................................................................... 2
1.3. WASHING INSTRUCTIONS......................................................................................... 3
1.4. ELECTRICAL COMPONENT INFORMATION ............................................................. 4
1.5. MOTOR COMPARTMENT ........................................................................................... 5
2. TYPES OF CHARGING .......................................................................................................... 6
A. NORMAL CHARGING .................................................................................................... 7
B. FAST CHARGING ........................................................................................................ 12
3. TIGHTENING TORQUES...................................................................................................... 14
4. TIGHTENING TORQUES...................................................................................................... 20
5. INSTRUCTION FOR WORKING ON HV COMPONENTS ON VEHICLE .............................. 22
6. HV COMPONENTS UNDER BONNET COMPARTMENT..................................................... 23
A. POWER DISTRIBUTION UNIT (PDU) REMOVAL ........................................................ 24
B. VEHICLE CONTROL UNIT........................................................................................... 26
C. DC – DC CONVERTOR & ON BOARD CHARGER REMOVAL.................................... 27
D. VACCUM PUMP REMOVAL ........................................................................................ 29
E. E DRIVE REMOVAL ..................................................................................................... 30
7. TRACTION COOLING SYSTEM (TCS) ................................................................................ 33
A. SYSTEM LAYOUT........................................................................................................ 33
B. CIRCUIT SCHEMATICS ............................................................................................... 33
C. TCS COOLANT DRAINING PROCEDURE .................................................................. 34