GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Danger: Always perform the High Voltage Disabling procedure prior to servicing any High Voltage component or connection. Personal Protection Equipment (PPE) and proper procedures must be followed.

    The High Voltage Disabling procedure will perform the following tasks:

       • Identify how to disable high voltage.
       • Identify how to test for the presence of high voltage.
       • Identify condition under which high voltage is always present and personal protection equipment (PPE) and proper procedures must be followed.
    Failure to follow the procedures exactly as written may result in serious injury or death.

  1. Disable the hybrid high voltage system. Refer to High Voltage Disabling
  2. Disconnect the 12 volt battery negative cable. Refer to Battery Negative Cable Disconnection and Connection
  3. Remove the drive motor generator control module sight shield. Refer to Drive Motor Generator Control Module Sight Shield Replacement
  4. Remove the power inverter module. Refer to Drive Motor Generator Power Inverter Module Removal and Installation
  5. Reposition the accessory DC power control module mounting plate to gain access to the auxiliary fluid pump control module. Refer to Accessory DC Power Control Module Mounting Plate Replacement
  6. Disconnect the three electrical connectors from the auxiliary fluid pump control module.

  7. Object Number: 2195162  Size: SH
  8. Remove the two fasteners (1), then remove the module (2) from the mounting plate.

Installation Procedure


    Object Number: 2195162  Size: SH
  1. Install the module (2) to the mounting plate, then tighten the fasteners to 10 N·m (8 lb ft).
  2. Install the accessory DC power control module mounting plate. Refer to Accessory DC Power Control Module Mounting Plate Replacement
  3. Connect the three electrical connectors to the auxiliary fluid pump control module.
  4. Install the power inverter module. Refer to Drive Motor Generator Power Inverter Module Removal and Installation
  5. Install the drive motor generator control module sight shield. Refer to Drive Motor Generator Control Module Sight Shield Replacement
  6. Enable the hybrid high voltage system. Refer to High Voltage Enabling
  7. Connect the 12 volt battery negative cable. Refer to Battery Negative Cable Disconnection and Connection