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 DIAGNOSISSTARTING AND CHARGINGPOWER AND GROUND DISTRIBUTIONFUSE BLOCKSERVICE AND REPAIRUNDER-HOOD FUSE/RELAY BOX
2005 Honda Accord L4-2.4L
Under-Hood Fuse/Relay Box
2005 Honda Accord L4-2.4LSECTION Under-Hood Fuse/Relay Box
Removal and Installation
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 under-hood multi-relay box (Canada) from the under-hood fuse/relay box.
5. Remove the screws (A) from the alternator and battery cable terminals.
6. Remove the two mounting bolts (B) from the under-hood fuse/reley box.
7. Remove the under cover from the under-hood fuse/reley box.
8. Disconnect the connectors from the under-hood fuse/reley box.
Installation
1. Connect the connectors to the under-hood fuse/relay box, then install the under-hood fuse/relay box in the reverse order of removal.
2. Install the removed parts in the reverse order of removal.
3. Connect the both positive cable and negative cable to the battery.
4. Do the ECM/PCM idle learn procedure.
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 presets.
7. Confirm that all systems work properly.
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 under-hood multi-relay box (Canada) from the under-hood fuse/relay box.
5. Remove the screws (A) from the alternator and battery cable terminals.
6. Remove the two mounting bolts (B) from the under-hood fuse/reley box.
7. Remove the under cover from the under-hood fuse/reley box.
8. Disconnect the connectors from the under-hood fuse/reley box.
Installation
1. Connect the connectors to the under-hood fuse/relay box, then install the under-hood fuse/relay box in the reverse order of removal.
2. Install the removed parts in the reverse order of removal.
3. Connect the both positive cable and negative cable to the battery.
4. Do the ECM/PCM idle learn procedure.
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 presets.
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.