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Volkswagen ID.4 Owners & Service Manuals

Volkswagen ID.4: Motor control unit

Volkswagen ID.4 (E21) 2021-2025 Service Manual / Electric drive EIP220, EIA200, EIA210 / Electric drive systems / Motor control unit

Assembly overview - motor control unit

Volkswagen ID.4. Assembly overview - motor control unit

  1. Bracket for motor control unit
  • ⇒ Rep. gr. 93 ; Removing and installing bracket for motor control unit [J623]
  1. Engine control unit - J623-
  • ⇒ Rep. gr. 93 ; Removing and installing motor control unit [J623]
  1. Electrical connector

Removing and installing motor control unit [J623]

Removing

If the motor control unit - J623- is renewed, perform the test plan for the renewal of the motor control unit:

  •  Carry out function "Renew control unit" using ⇒ Vehicle diagnostic tester ⇒ Rep. gr. 00 ; Access to diagnoses .

Continued

  • Disconnect battery ⇒ Electrical system; Rep. gr. 27 ; Battery; Disconnecting and connecting battery .
  • Remove lower A-pillar trim ⇒ General body repairs, interior; Rep. gr. 70 ; Trims, interior; Removing and installing lower A-pillar trim .
  • Disconnect electrical connectors -2-.
  • Release bracket -1- -arrow- in direction of passenger compartment, and pull out motor control unit - J623- -3-.

Volkswagen ID.4. Removing and installing motor control unit [J623]

Installing

Install in reverse order of removal, observing the following:

If the motor control unit - J623- has been renewed, perform the test plan for the renewal of the motor control unit:

  • Carry out function "Renew control unit" using ⇒ Vehicle diagnostic tester ⇒ Rep. gr. 00 ; Access to diagnoses .

Removing and installing bracket for motor control unit [J623]

Removing

  • Remove motor control unit - J623- ⇒ Rep. gr. 93 ; Removing and installing motor control unit [J623] .
  • Press together locking devices in direction of -arrow-.
  • Remove bracket for motor control unit - J623- -1-.

Volkswagen ID.4. Removing and installing bracket for motor control unit [J623]

Installing

Install in reverse order of removal.

  • Attach bracket for motor control unit - J623- making sure it engages audibly.

Volkswagen ID.4 (E21) 2021-2025 Service Manual

Actual pages

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