Electric motor (270, LS1)

Kapitelübersicht

• Technical data
  1
• 1 Safety information
  1
• 1.1 Safety precautions when working on vehicles with high-voltage system
  1
• 1.2 Safety precautions when working in the vicinity of high-voltage components
  2
• 1.4 Safety precautions when working on the cooling system
  2
• 2 Repair instructions
  3
• 2.1 Contact corrosion
  3
• 2.2 Routing and attachment of lines
  3
• 2.3 Rules for cleanliness when working on high-voltage system
  3
• 3 Hazard classification for the high-voltage system
  5
• Electric drive systems
  12
• 1 Warning stickers
  12
• 1.1 Warning stickers, version 1
  12
• 1.2 Warning stickers, version 2
  15
• 2 Overview of fitting locations - high-voltage components
  20
• 3 High-voltage battery unit
  22
• 3.1 Overview of fitting locations - high-voltage battery
  22
• 3.2 Assembly overview – high-voltage battery
  26
• 3.3 Visual inspection of high-voltage battery 1 AX2
  39
• 3.4 Diagnosis of high-voltage battery 1 AX2
  39
• 3.5 Removing and installing high-voltage battery 1 AX2
  39
• 3.6 Raising high-voltage battery 1 AX2
  49
• 3.7 Removing and installing charge voltage control unit for high-voltage battery J966
  54
• 3.8 Leakage test of high-voltage battery 1 AX2
  55
• 3.9 Searching for leaks from high-voltage battery
  56
• 3.10 Opening high-voltage battery 1 AX2
  56
• 3.11 Voltage and insulation measurement
  62
• 3.12 Opening electrical circuit
  66
• 3.13 Closing high-voltage battery 1 AX2
  68
• 3.14 Removing and installing DC connector mounting on high-voltage battery 1 AX2
  72
• 3.15 Removing and installing switching unit for high-voltage battery SX6
  75
• 3.16 Removing and installing battery regulation control unit J840
  77
• 3.17 Removing and installing mounting for high-voltage network connector
  78
• 3.18 Discharging and charging capacitor
  81
• 3.19 Charging and discharging battery modules
  83
• 3.20 Removing and installing battery modules
  85
• 3.21 Renewing lower part of battery housing
  158
• 4 Power and control electronics for electric drive
  282
• 4.1 Assembly overview - power and control electronics for electric drive
  282
• 4.2 Removing and installing power and control electronics for electric drive JX1
  284
• 4.4 Removing and installing electrical air conditioner compressor fuse S355
  291
• 5 Electric drive motor
  295
• 5.1 Assembly overview - three-phase current drive VX54
  295
• 5.2 Removing and installing engine cover
  297
• 5.3 Removing and installing three-phase current drive VX54
  298
• 5.4 Renewing three-phase current drive VX54
  307
• 5.5 Calibrating three-phase current drive VX54
  308
• 5.6 Removing and installing gearbox
  309
• 5.7 Removing and installing drive motor temperature sender G712
  309
• 5.8 Removing and installing drive motor rotor position sender 1 G713
  311
• 5.9 Removing and installing pendulum support
  315
• 6 Engine control unit
  317
• 6.1 Assembly overview – engine/motor control unit
  317
• 6.2 Removing and installing engine control unit J623
  318
• 6.3 Removing and installing bracket for engine (motor) control unit J623
  323
• 7 High-voltage cables
  324
• 7.1 General description - high-voltage cables
  324
• 7.2 Overview of fitting locations - high-voltage cables
  324
• 7.3 Identifying high-voltage cables
  325
• 7.4 Removing and installing high-voltage cable for charging unit 1 for high-voltage battery AX4
  326
• 7.5 Removing and installing high-voltage wiring harness for high-voltage battery PX1
  327
• 7.6 Removing and installing high-voltage wiring harness for drive motor PX2
  330
• 7.7 Removing and installing high-voltage cable for high-voltage heater (PTC) P11
  334
• 8 Cooling system for high-voltage system
  339
• 8.1 Overview of fitting locations - high-voltage system cooling components
  339
• 8.2 Coolant hose connection diagram
  341
• 8.3 Checking cooling system for leaks
  342
• 8.4 Draining and adding coolant
  345
• 8.5 Removing and installing power and control electronics for electric drive V508
  351
• 8.6 Removing and installing radiator outlet coolant temperature sender G83
  353
• 8.7 Removing and installing temperature sender after electric drive motor G788
  353
• 8.8 Removing and installing radiator
  355
• 8.9 Removing and installing radiator cowl with radiator fan
  357
• 8.10 Removing and installing radiator fan V7
  358
• 8.11 Removing and installing radiator bypass changeover valve N687
  359
• 9 High-voltage heater (PTC) Z115
  361
• 10 Electrical air conditioner compressor V470
  362
• 11 De-energising the high-voltage system
  363
• 12 Recommissioning high-voltage system
  365
• 13 Potential equalisation lines
  366
• 13.1 Overview of fitting locations - potential equalisation lines
  366
• 14 Charging socket
  371
• 14.1 Assembly overview - charging socket
  371
• 14.2 Assembly overview – charging socket
  372
• 14.3 Removing and installing high-voltage battery charging socket 1 UX4
  376
• 15 Charging unit for high-voltage battery
  396
• 15.1 Assembly overview – charging unit for high-voltage battery
  396
• 15.2 Removing and installing charging unit 1 for high-voltage battery AX4
  397
• 15.3 Removing and installing bracket for charging unit 1 for high-voltage battery AX4
  401
• 16 Vehicle noise/engine sound
  403
• 16.1 Overview of fitting locations – vehicle noise/engine sound
  403
• 16.2 Removing and installing engine sound generator control unit J943
  403
• 16.3 Removing and installing actuator 1 for engine sound generator R257
  404
• 17 Accelerator pedal
  406
• 17.1 Assembly overview - accelerator module
  406
• 17.2 Removing and installing accelerator pedal module GX2
  406