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.
OPDS Unit Replacement
2005 Honda Accord L4-2.4LSECTION OPDS Unit Replacement
OPDS Unit Replacement
NOTE: Review the seat replacement procedure before doing repairs or service.
Removal
1. Disconnect the battery negative cable, and wait at least 3 minutes before beginning work.
2. Disconnect the passenger's side airbag harness 2P connector.
3. Remove the passenger's seat assembly and seat-back cover.
4. Remove the cover (A), then disconnect the OPDS unit 8P connector D and sensor connectors (B) from the OPDS unit (C).
5. Remove the two screws (E) and the OPDS unit.
Installation
1. Place the new OPDS unit (A) on the seat-back frame. Tighten the two screws (B), and connect the OPDS unit harness 8P and sensor connectors (C) to the OPDS unit. Reinstall the cover (D).
2. Install the seat-back cover in the reverse order of removal.
3. Install the seat assembly, then connect the side airbag harness 2P connector.
4. Reconnect the battery negative cable.
5. Set the seat-back in the normal position, and make sure there is nothing on the front passenger's seat.
6. Initialize the OPDS unit.
7. After installing the OPDS unit, confirm proper system operation: Turn the ignition switch ON (II); the SRS indicator should come on for about 6 seconds and then go off.
NOTE: Review the seat replacement procedure before doing repairs or service.
Removal
1. Disconnect the battery negative cable, and wait at least 3 minutes before beginning work.
2. Disconnect the passenger's side airbag harness 2P connector.
3. Remove the passenger's seat assembly and seat-back cover.
4. Remove the cover (A), then disconnect the OPDS unit 8P connector D and sensor connectors (B) from the OPDS unit (C).
5. Remove the two screws (E) and the OPDS unit.
Installation
1. Place the new OPDS unit (A) on the seat-back frame. Tighten the two screws (B), and connect the OPDS unit harness 8P and sensor connectors (C) to the OPDS unit. Reinstall the cover (D).
2. Install the seat-back cover in the reverse order of removal.
3. Install the seat assembly, then connect the side airbag harness 2P connector.
4. Reconnect the battery negative cable.
5. Set the seat-back in the normal position, and make sure there is nothing on the front passenger's seat.
6. Initialize the OPDS unit.
7. After installing the OPDS unit, confirm proper system operation: Turn the ignition switch ON (II); the SRS indicator should come on for about 6 seconds and then go off.
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.