Volkswagen ID.4: Potential equalisation lines
Volkswagen ID.4 (E21) 2021-2025 Service Manual / Electric drive EIP220, EIA200, EIA210 /
Electric drive systems / Potential equalisation lines
Overview of fitting locations - potential equalisation lines, all-wheel drive
Overview of fitting locations - potential
equalisation lines, all-wheel drive
Overview of fitting locations - potential equalisation lines

- Potential equalisation voltage
converter - A19-
- ⇒ Rep. gr. 93 ; Assembly
overview - voltage
converter
- Potential equalisation
three-phase current drive -
VX54-
- ⇒ Rep. gr. 93 ;
Assembly overview -
electric drive motor,
rear motor
- Potential equalisation
charging unit 1 for high-voltage
battery - AX4-
- ⇒ Rep. gr. 93 ;
Assembly overview -
charging unit for highvoltage
battery
- Potential equalisation of
high-voltage battery 1 - AX2-
- ⇒ Rep. gr. 93 ;
Assembly overview -
high-voltage battery, removed
- Potential equalisation
high-voltage heater (PTC) -
ZX17-
- ⇒ Heating, air conditioning;
Rep. gr. 87 ;
Front heater and air
conditioning unit; Removing
and installing
high-voltage heater
(PTC) [ZX17]
- Potential equalisation
three-phase current drive 2 - VX97-
- ⇒ Rep. gr. 93 ; Assembly overview - electric drive motor, front motor
- Potential equalisation heater element (PTC) 3 - Z132-
- ⇒ Heating, air conditioning; Rep. gr. 87 ; Coolant circuit; Removing and
installing PTC heater
element 3 [Z132], all-wheel drive
- Potential equalisation air conditioner compressor - VX81-
- ⇒ Heating, air conditioning system; Rep. gr. 87 ; Air conditioner
compressor; Assembly overview - air
conditioner compressor
Overview of fitting locations - potential equalisation lines, rear-wheel drive
Overview of fitting locations - potential equalisation lines

- Potential equalisation
three-phase current drive -
VX54-
- ⇒ Rep. gr. 93 ;
Assembly overview -
electric drive motor,
rear motor
- Potential equalisation
charging unit 1 for high-voltage
battery - AX4-
- ⇒ Rep. gr. 93 ;
Assembly overview -
charging unit for highvoltage
battery
- Potential equalisation of
high-voltage battery 1 - AX2-
- ⇒ Rep. gr. 93 ;
Assembly overview -
high-voltage battery, removed
- Potential equalisation
high-voltage heater (PTC) -
ZX17-
- ⇒ Heating, air conditioning;
Rep. gr. 87 ;
Front heater and air
conditioning unit; Removing
and installing
high-voltage heater
(PTC) [ZX17]
- Potential equalisation voltage
converter - A19-
- ⇒ Rep. gr. 93 ; Assembly
overview - voltage
converter
- Potential equalisation
heater element (PTC) 3 - Z132-
- ⇒ Heating, air conditioning; Rep. gr. 87 ; Coolant circuit; Removing and
installing PTC heater
element 3 [Z132], rear-wheel drive
- Potential equalisation air conditioner compressor - VX81-
- ⇒ Heating, air conditioning system; Rep. gr. 87 ; Air conditioner
compressor; Assembly overview - air
conditioner compressor