3.2.2 Description and operation ...................................................................................... 188 3.2.2.1 Introduction ................................................................................................... 188 3.2.2.2 Connector interface definition ..................................................................... 189 3.2.2.3 Schematic diagram ...................................................................................... 192 3.2.2.4 Location diagram of components ...............................................................
193 3.2.3 Fault diagnosis ......................................................................................................... 194 3.2.3.1 Fault analysis ................................................................................................ 194 3.2.3.2 Inspection and adjustment .......................................................................... 195 3.2.3.3 Matters need attention ................................................................................. 195 3.2.4 Removal and installation ........................................................................................
195 3.3 Power Battery Device ......................................................................................................... 198 3.3.1 Specifications ........................................................................................................... 198 3.3.1.1 General specifications ................................................................................. 198 3.3.1.2 Torque specification ..................................................................................... 198 3.3.2 Description and operation ......................................................................................
199 3.3.2.1 Introduction ................................................................................................... 199 3.3.2.2 Connector interface definition ..................................................................... 199 3.3.2.3 Schematic diagram of internal layout of power battery device .............. 208 3.3.2.4 Location diagram of components ............................................................... 210 3.3.3 Diagnosis and maintenance of fault phenomena ............................................... 211 3.3.3.1 Fault code diagnosis ....................................................................................
211 3.3.3.1.1 Fault codes and troubleshooting methods .................................... 211 3.3.3.1.2 Battery detection method after maintenance ................................ 230 3.3.3.2 Inspection and adjustment .......................................................................... 230 3.3.3.3 Matters need attention ................................................................................. 230 3.3.4 Removal and installation ........................................................................................ 231 3.4 Drive motor three-in-one assembly ..................................................................................
241 3.4.1 Specifications ........................................................................................................... 241 3.4.1.1 General specifications ................................................................................. 241 3.4.1.2 Torque specification ..................................................................................... 241 3.4.2 Description and operation ...................................................................................... 242 3.4.2.1 Introduction ...................................................................................................
242 3.4.2.2 Connector interface definition ..................................................................... 242 3.4.2.3 Location diagram of components ............................................................... 245 3.4.3 Diagnosis and operation of fault phenomena ..................................................... 246 3.4.3.1 Fault code diagnosis .................................................................................... 246 3.4.3.2 Inspection and adjustment .......................................................................... 253 3.4.3.3 Matters need attention .................................................................................
254 3.4.4 Removal and installation ........................................................................................ 254 3.5 Power supply three-in-one controller assembly ............................................................. 257 3.5.1 Specifications ........................................................................................................... 257 3.5.1.1 General specifications ................................................................................. 257 3.5.1.2 Torque specification .....................................................................................
257 3.5.2 Description and operation ...................................................................................... 257 3.5.2.1 Introduction ................................................................................................... 257 3.5.2.1.1 Introduction to the working principle .............................................. 257 3.5.2.2 Connector interface definition ..................................................................... 258 3.5.2.2.1 Definition of low voltage signal pin ................................................. 259 3.5.2.2.2 Definition of AC input pin .................................................................
260 3.5.2.2.3 Definition of AC output pin ............................................................... 261 3.5.2.2.4 Definition of PTC pin ......................................................................... 262 3.5.2.2.5 Definition of compressor pin ............................................................ 262 3.5.2.2.6 Definition of battery positive pin ...................................................... 263 3.5.2.2.7 Definition of battery negative pin .................................................... 263 3.5.2.2.8 Definition of MCU positive pin .........................................................
264 3.5.2.2.9 Definition of MCU negative pin ....................................................... 264 3.5.2.2.10 Definition of fast charge positive pin ............................................ 265 VI