DC-DC Converter 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 (see SERVICE PRECAUTIONS ).

1. Make sure the ignition switch is in LOCK (0).
2. Do the 12 volt battery terminal disconnection procedure (see USING THE GR8 BATTERY DIAGNOSTIC STATION ).
3. Remove the MCM (see MOTOR CONTROL MODULE (MCM) REMOVAL/INSTALLATION ).
4. Remove the IMA motor power cables (A).
   NOTE: Check the position of the U phase, the V phase, and the W phase cables before disconnecting them.
   Fig 1: IMA Motor Power And DC-DC Converter Cables With Torque Specifications

   Courtesy of AMERICAN HONDA MOTOR CO., INC.
5. Remove the DC-DC converter cable (B), and wrap it with insulating tape.
6. Remove the bolts (A) and the terminal cover (B).
   Fig 2: Terminal Cover And Mounting Bolts With Torque Specifications

   Courtesy of AMERICAN HONDA MOTOR CO., INC.
7. Disconnect the DC-DC converter connector (A).
   Fig 3: DC-DC Converter, Connector And Bolts With Torque Specifications

   Courtesy of AMERICAN HONDA MOTOR CO., INC.
8. Remove the bolts (B) and the busbar (C).
9. Remove the bolts (D, E) and the DC-DC converter (F).
10. Install the parts in the reverse order of removal.
11. Do the 12 volt battery terminal reconnection procedure (see USING THE GR8 BATTERY DIAGNOSTIC STATION ).