Intelligent Power Module Replacement
REMOVAL1. Disconnect the negative and positive battery cables.
2. Remove the battery thermal guard from the vehicle. Refer to the Battery for the procedure.
3. Remove the battery from the vehicle. Refer to the Battery for the procedure.
Fig.2 Releasing Intelligent Power Module From Its Mounting Bracket:
4. Using a flat-bladed screwdriver, twist the intelligent power module bracket retaining latch outward to free the intelligent power module from its mounting bracket (Fig. 2).
Fig.3 Disconnecting IPM:
5. Rotate the intelligent power module counterclockwise to access and disconnect the various electrical connectors (Fig. 3).
6. Free the intelligent power module from its mounting bracket by removing the intelligent power module bracket clips from the hinge. A screwdriver slipped up from under the hinge will free the clips.
INSTALLATION
1. Snap the left side of the intelligent power module housing in its mounting bracket and connect the various electrical connectors. Care must be taken that the Connector Positive Assurance (CPA) on the five-pin B+ connector is positively engaged to prevent generating a Diagnostic Trouble Code (DTC).
NOTE: Intelligent power module electrical connectors are color coded to ease location reference.
2. Being certain no wires are stressed or pinched, rotate the intelligent power module clock-wise until secured in mounting bracket. An audible click may be heard.
3. Install the battery in the vehicle. Refer to the Battery for the procedure.
4. Install the battery thermal guard in the vehicle. Refer to the Battery for the procedure.
5. Connect the negative and positive battery cables.
6. Using a diagnostic scan tool, check for any stored diagnostic trouble codes and correct, check that all vehicle options are operational before returning the vehicle to service.