Under-Dash Fuse/Relay Box Removal and Installation
Special Tools Required
Image Description/Tool Number
5482825.png Relay Puller 07AAC-000A2A1 or 07AAC-000A1A0

SRS components are located in this area. Review the SRS component locations and the precautions and procedures before doing repairs or service.

NOTE: The MICU which is part of the under-dash fuse/relay box has a component of the immobilizer system. The MICU must be registered when the under-dash fuse/relay box is replaced, or the vehicle will not start.

4. Under-Dash Fuse/Relay Box - Remove
1.
Remove the harness clip (A).
2.
Disconnect the connectors (B).
3.
Remove the connector (C).
4.
Remove the under-dash fuse/relay box (D).
5.
Disconnect the connectors (E).
6.
Carefully remove the relays using the relay puller tool.
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.

5. All Removed Parts - Install
1.
Install the parts in the reverse order of removal.
NOTE: Confirm that all systems work properly.

Without Keyless Access System

6. Immobilizer system - Register

NOTE: If the under-dash fuse/relay box is replaced, go to step 1. If the original under-dash fuse/relay box is installed, go to step 6.
1.
Connect the HDS to the data link connector (DLC).
2.
Turn the vehicle to the ON mode.
3.
Select IMMOBI from the SYSTEM SELECTION MENU, then select IMMOBILIZER SETUP.
4.
Select the REPLACE MPCS/MICU/IMOES, then select the suitable menu from the HDS indications.
5.
After registration, confirm that the vehicle will start.
6.
Confirm that all systems work properly.

With Keyless Access System

7. Keyless Access System - Register

NOTE: If the under-dash fuse/relay box is replaced, go to step 1. If the original under-dash fuse/relay box is installed, go to step 6.
1.
Connect the HDS to the data link connector (DLC).
2.
Turn the vehicle to the ON mode.
3.
Select ONE-PUSH START from the SYSTEM SELECTION MENU, then select REGISTRATION.
4.
Select the REPLACE MICU, then select the suitable menu from the HDS indications.
5.
After registration, confirm that the vehicle will start.
6.
Confirm that all systems work properly.