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IPU Case Removal/Installation

IMA components are located in this area. The IMA is a high-voltage system. You must be familiar with the IMA system before working on or around it. Make sure you have read the IMA service precautions before doing repairs or service.

  1. Make sure the ignition switch to LOCK (0).
  2. Do the 12 volt battery terminal disconnection procedure (see 12 VOLT BATTERY TERMINAL DISCONNECTION AND RECONNECTION ).
  3. Remove the IPU module air duct (see IPU MODULE AIR DUCT REMOVAL/INSTALLATION  ).
  4. Remove the IPU cover (see IPU COVER REMOVAL/INSTALLATION  ).
  5. Remove the PCU lid (see step 2 on MOTOR CONTROL MODULE (MCM) REMOVAL/INSTALLATION  ).
  6. Remove the IMA motor power cables (A).
    NOTE: Check the position of the U phase, V phase, and W phase cables before disconnecting the IMA motor power cables.
    Fig 1: Bolts With Torque Specifications And IMA Motor Power Cables Connection
    G06429959Courtesy of AMERICAN HONDA MOTOR CO., INC.
  7. Remove the 12 V power cable (B), and wrap it with insulating tape.
  8. Disconnect the connectors (A, B).
    Fig 2: Bolts With Torque Specifications And IPU Assembly Connectors
    G06429960Courtesy of AMERICAN HONDA MOTOR CO., INC.
  9. Remove the terminal (C).
  10. Remove the bolts (D) and the IPU assembly (E).
  11. Remove the clips (A) and the IPU case (B).
    NOTE: The IPU frame seals (C) must be replaced with new ones when the IPU case is removed.
    Fig 3: Identifying IPU Frame Seals, Clips And IPU Case
    G06429961Courtesy of AMERICAN HONDA MOTOR CO., INC.
  12. Install the parts in the reverse order of removal.
  13. Do the 12 volt battery terminal reconnection procedure (see 12 VOLT BATTERY TERMINAL DISCONNECTION AND RECONNECTION ).