Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSHONDA2005ACCORD L4-2.4LREPAIR AND DIAGNOSISPOWER AND GROUND DISTRIBUTIONRELAY BOXSERVICE AND REPAIRUNDER-DASH FUSE/RELAY BOX
2005 Honda Accord L4-2.4L
Under-Dash Fuse/Relay Box
2005 Honda Accord L4-2.4LSECTION 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 performing repairs or service.
Removal
1. Make sure you have the anti-theft codes for the radio and the navigation system, then write down the frequencies for the radio's preset buttons.
2. Connect the HDS to the data link connector (DLC), and ground the SCS.
3. Disconnect the battery negative cable, then disconnect the positive cable, and wait at least 3 minutes.
4. Remove the left front door sill trim and left kick panel.
5. Disconnect the connectors from the fuse side of the under-dash fuse/relay box (A).
6. Remove the two mounting bolts and pull the fuse/relay box away from the body.
7. Disconnect the connectors and remove the under-dash fuse/relay box.
NOTE: Some SRS harness connectors are spring-loaded lock type.
8. Carefully remove the relays. Do not use pliers.
Installation
1. Install the removed relays.
2. Connect the connectors to the under-dash fuse/relay box, then install the under-dash fuse/relay box in the reverse order of removal.
3. Install the removed parts in the reverse order of removal.
4. Connect both the positive cable and negative cable to the battery.
5. Reset the power window control unit.
6. Enter the anti-theft codes for the radio and navigation system, then enter the customer's radio station presents.
7. Confirm that all systems work properly.
SRS components are located in this area. Review the SRS component locations and the precautions and procedures before performing repairs or service.
Removal
1. Make sure you have the anti-theft codes for the radio and the navigation system, then write down the frequencies for the radio's preset buttons.
2. Connect the HDS to the data link connector (DLC), and ground the SCS.
3. Disconnect the battery negative cable, then disconnect the positive cable, and wait at least 3 minutes.
4. Remove the left front door sill trim and left kick panel.
5. Disconnect the connectors from the fuse side of the under-dash fuse/relay box (A).
6. Remove the two mounting bolts and pull the fuse/relay box away from the body.
7. Disconnect the connectors and remove the under-dash fuse/relay box.
NOTE: Some SRS harness connectors are spring-loaded lock type.
8. Carefully remove the relays. Do not use pliers.
Installation
1. Install the removed relays.
2. Connect the connectors to the under-dash fuse/relay box, then install the under-dash fuse/relay box in the reverse order of removal.
3. Install the removed parts in the reverse order of removal.
4. Connect both the positive cable and negative cable to the battery.
5. Reset the power window control unit.
6. Enter the anti-theft codes for the radio and navigation system, then enter the customer's radio station presents.
7. Confirm that all systems work properly.
RENDER: 1.0x
NO RELATED
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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.