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HOMESERVICE MANUALSACURA2018RLX BASEREPAIR AND DIAGNOSIS (SINGLE PAGE)ELECTRICALBODY ELECTRICALELECTRICAL SYSTEM - SERVICE INFORMATION (EXCEPT HYBRID)REMOVAL AND INSTALLATIONDRIVER'S UNDER-DASH FUSE/RELAY BOX REMOVAL AND INSTALLATION(KA/KX MODEL) (2014 2015)INSTALLATION
2018 Acura RLX Base

Driver's Under-Dash Fuse/Relay Box Removal and Installation(KA/KX model) (2014 2015): Installation

2018 Acura RLX BaseSECTION Installation

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

  1. Driver's Under-Dash Fuse/Relay Box - Install

    1. Install the relays in the driver's under-dash fuse/relay box (A).

    GHH343735Courtesy of HONDA, U.S.A., INC.

    2. Connect the back side connectors of the driver's under-dash fuse/relay box.

    3. Install the driver's under-dash fuse/relay box.

    4. Connect the front side connectors of the driver's under-dash fuse/relay box.

  2. Keyless Access Control Unit - Install

    Install the keyless access control unit .

  3. Battery Terminal - Connect

    Do the battery terminal reconnection procedure .

  4. Keyless Access System - Register
    NOTE:  If the driver's under-dash fuse/relay box is replaced, go to step 1. If the original driver's 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.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.