Honda Fit manuals

Honda Fit: Under-Dash Fuse/Relay Box Removal and Installation (Canada models)

Canada models

NOTE: SRS components are located in this area. Review the SRS component locations, and precautions and procedures   before doing repairs or servicing.

Removal

NOTE: The imoes unit is built into the MICU which is part of the under-dash fuse/relay box. You must register the imoes unit when replacing the under-dash fuse/relay box, or the engine will not start.

  1. Do the battery terminal disconnection procedure.

  1. Remove the driver's dashboard undercover.

  1. Remove the fuse access panel.

  1. Disconnect the connectors from the front side of the under-dash fuse/relay box (A).

  2. ABCDEF
  3. Remove the nuts (B), then remove the stud bolts (C) using the double nuts (D), then remove the terminal (E).

  4. Release the lock (F) and pull the fuse/relay box away from the body.

  5. Disconnect the connectors from the back side of the under-dash fuse/relay box, then remove the under-dash fuse/relay box.

  1. Carefully remove the relays by prying under the base of the relay.

    NOTE: Do not use pliers. Pliers will damage the relays, which could cause the engine to stall or not start or cause other functions to fail.


Installation

  1. Install the relays and connect the connectors to the under-dash fuse/relay box (A), then install the under-dash fuse/relay box in the reverse order of removal.

  2. BCA
  3. Remove the double nuts from stud bolts (B), then install the nuts (C) to the stud bolts.

  4. Install the removed parts in the reverse order of removal.

  5. Do the battery terminal reconnection procedure.

  6. If the under-dash fuse/relay box is being replaced, do the following with the HDS.

    1. Have all registered keys and the ECM/PCM code.

    1. Connect the HDS to the data link connector (DLC).

    1. Turn the ignition switch to ON (ll).

    1. Select IMMOBI from the System Selection Menu, then select IMMOBILIZER SETUP.

    1. Select REPLACE MPCS/MICU/IMOES.

    1. Do the registration according to the instructions on the HDS screen.

  7. Confirm that all systems work properly.

See also:

Protecting Children General Guidelines
Children depend on adults to protect them. However, despite their best intentions, many adults do not know how to properly protect child passengers. If you have children, or ever need to drive wi ...

Airbag and Tensioner Disposal
Special Tools Required Deployment Tool 07AAZ-000A100 Before scrapping any airbags, side airbags, side curtain airbags, seat belt tensioners (including those in a whole vehicle to be scrapped) ...

Removal
Drain the engine coolant. Remove the air cleaner. Remove the heater hose clamp bracket mounting bolt (A) and the harness holder mounting bolt (B). ...

© 2026 Copyright www.hfitinfo.com