Under-Dash Fuse/Relay Box Removal and Installation

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

1. Battery Terminal - Disconnect

Do the battery terminal disconnection procedure.

2. Driver's Dashboard Lower Cover - Remove

Remove the driver's dashboard lower cover.

3. Under-Dash Fuse/Relay Box - Remove
1.
Disconnect the front side connectors of the under-dash fuse/relay box (A).
2.
Remove the under-dash sub fuse box (B).

3.
Remove the under-dash fuse/relay box.
4.
Disconnect the back side connectors of the under-dash fuse/relay box.
5.
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.


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.

1. Under-Dash Fuse/Relay Box - Install
1.
Install the relays in the under-dash fuse/relay box (A).
2.
Connect the back side connectors of the under-dash fuse/relay box.
3.
Install the under-dash fuse/relay box.
4.
Install the under-dash sub fuse box (B).

5.
Connect the front side connectors of the under-dash fuse/relay box.

2. Battery Terminal - Connect

Do the battery terminal reconnection procedure.

Without Keyless Access System

3. 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 ignition switch to ON (II).
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

4. 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.
Press the engine start/stop button to select 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.

5. Driver's Dashboard Lower Cover - Install

Install the driver's dashboard lower cover.