Contents

Instructions for working with electrical circuits

Graphic elements

Fuse and relay

Diagram of the wiring harness and its connectors

Grounding points

Schematic diagram of the system

• Starting system (JLH_3G15TD)
• Starting system (BSG 48 V)
• Starting system (JLH_4G20TDB)
• Charging system (JLH-3G15TD)
• Power, ground and data bus ECM (JLH_3G15TD)
• Ignition system of the ECM JLH-3G15TD
• ECM fuel injector system (JLH_3G15TD)
• ECM hardware control module and sensor (JLH_3G15TD)
• ECM cooling fan control (JLH_3G15TD)
• Charging system (JLH_4G20TDB)
• Power, ground and data bus ECM (JLH_4G20TDB)
• Ignition system of the ECM JLH-4G20TDB
• ECM fuel injector system (JLH_4G20TDB)
• ECM hardware control module and sensor (JLH_4G20TDB)
• ECM cooling fan control (JLH_4G20TDB)
• Cruise control
• Adaptive cruise control (ACC)
• Power, ground and data bus of the TCU (JLH_3G15TD+7DCT)
• Electronic gearshift mechanism JLH_3G15TD+7DCT
• Power, ground and data bus of the TCU (JLH_4G20TDB+8AT)
• Electronic gearshift mechanism JLH_4G20TDB+8AT
• All-wheel drive control system (JLH_4G20TDB+8AT)
• Mode switch
• Power supply, grounding and data bus of the instrument cluster
• Audible and visual alarm, instrument cluster indicator
• Head-up display
• Power, ground and data bus of the PEPS unit
• PEPS unit sensor and actuator
• Power, ground and ESC data bus
• Blind spot monitoring
• Face recognition function (JLH_4G20TDB)
• EPB
• TPMS block
• Headlight
• Side light
• Daytime running light
• Fog light
• Turn signal, hazard warning lights
• Stop light
• Stop light
• Reversing light
• Indoor ceiling light
• Door lamp
• Door lighting
• Door lamp
• Decorative lighting
• Trunk light
• Backlight
• Body anti-theft system
• Central lock
• Trunk door lock
• Electrically adjustable outside rearview mirror
• Electrically adjustable outside rearview mirror (with memory function)
• Rearview mirror with dimming and electric drive
• Electric seat
• Heated seats
• Seat ventilation
• Heated rear seats
• Seat memory
• Front wiper/wash system
• Power, ground and data bus of automatic air conditioner
• Pressure sensor and automatic air conditioning fan
• Automatic air conditioning control
• Automatic air conditioning compressor control (JLH_4G20TDB)
• Automatic air conditioning compressor control (JLH_3G15TD)
• Automatic air conditioner temperature control
• Heater control system
• Air purifier
• PM2.5
• Power supply, grounding and data bus of the heating unit
• Power, ground and data bus of the head unit (export model)
• Audio speaker
• Amplifier power, ground, and data bus
• Amplifier speaker
• Power, grounding and data bus T-BOX
• Power, grounding and data bus T-BOX (for export model)
• Power, grounding and data bus E-CALL
• Tachograph
• Parking radar system
• Parking assist system (with blind spot sensor)
• Rear view image
• Surround view system
• Airbag system power, ground and data bus
• Airbag sensor and actuator
• Airbag switch and pretensioner
• Beep
• Cup holder for hot and cold drinks (JLH_4G20TD)
• Power tailgate
• Cigarette lighter and in-flight meals
• Wireless charger
• Heated steering wheel
• Electric window
• Electric sunroof
• Gateway
• Diagnostic interface
• Data exchange system (HB-CAN)-JLH_3G15TD
• Data exchange system (PT-CAN)
• Data exchange system (IF-CAN)
• Data exchange system (CF-CAN)
• Data exchange system (CS-CAN)

Abbreviations