electrical
Backup Camera
for 2021 Honda Civic 1.5L I4 Turbo · FWD
Difficulty
Easy
Time
1.0 h
Tools
7
Steps
11
This procedure covers the diagnosis, removal, and replacement of the backup camera on a 2016-2021 Honda Civic 1.5L Turbo, including testing and calibration verification.
Warnings
⚠Disconnect battery negative terminal and wait 3 minutes before beginning work to prevent airbag deployment and electrical shorts
ℹ️Camera calibration is automatic on this vehicle when reverse is engaged; no special scan tool required for basic replacement
⚠Do not touch camera lens with bare fingers; oils can degrade image quality
Tools required
Trim panel removal tool setEssential
Phillips screwdriverEssential
10mm socket and ratchet
Torque wrench (5-15 Nm range)Essential
Electrical contact cleaner
Dielectric grease
Multimeter
Parts
- Backup camera assembly × 1 — Use OEM Honda part 39530-TBA-A01 or equivalent
- Tailgate trim clips (if broken) × 5 — Use OEM specification
- Camera grommet/seal × 1 — Usually included with camera assembly
Preparation
- Park vehicle on level surface and engage parking brake
- Disconnect negative battery terminal and wait 3 minutes
- Clean tailgate area around camera to prevent debris from entering during disassembly
- Take photo of camera wiring routing for reference during reinstallation
Procedure
- 1Remove tailgate interior trim panelOpen the tailgate fully. Using trim panel removal tools, carefully pry out the lower trim panel starting at the bottom corners. Work your way around the perimeter, releasing all retaining clips. Remove the trim panel and set aside, noting any clips that may have remained in the tailgate.
- 2Access camera connectorLocate the backup camera wiring harness behind the trim panel. The connector is typically positioned on the driver's side of the tailgate. Peel back any protective tape or sound deadening material to access the connector fully.
- 3Disconnect camera electrical connectorPress the release tab on the camera connector and carefully pull the connector apart. Do not pull on the wires themselves. If connector is corroded or difficult to release, spray with electrical contact cleaner and wait 30 seconds before attempting again.
- 4Remove camera mounting fastenersFrom the exterior of the tailgate, locate the camera assembly above the license plate. Remove the two Phillips head screws securing the camera housing to the tailgate. These screws are typically covered by a small trim piece that clips into place.Torque specCover Screws10 Nm (8 lb-ft)
- 5Extract camera assemblyGently pull the camera assembly straight out from the tailgate. The wiring harness will feed through the tailgate opening. Carefully guide the connector and wiring through to avoid snagging. Remove the rubber grommet/seal from the tailgate opening and inspect for damage.
- 6Inspect and prepare new cameraCompare new camera assembly with old unit to verify correct replacement part. Inspect the camera lens for protective film and remove if present. Apply a small amount of dielectric grease to the electrical connector terminals on the new camera to prevent corrosion. Ensure rubber grommet is properly seated on the new camera body.
- 7Install new camera assemblyFeed the camera wiring harness through the tailgate opening from exterior to interior. Ensure the rubber grommet seats properly in the tailgate hole to create a weatherproof seal. Align the camera housing with the mounting holes, ensuring the camera orientation is correct (lens facing rearward and level).
- 8Secure camera mounting screwsInstall the two mounting screws and tighten to specification using a torque wrench. Do not overtighten as this can crack the camera housing or deform the tailgate sheet metal. Verify camera sits flush against tailgate and grommet seal is not pinched.Torque specCover Screws10 Nm (8 lb-ft)
- 9Reconnect electrical connectorRoute the camera harness according to the reference photo taken during disassembly. Connect the camera electrical connector, ensuring it clicks firmly into place. Gently tug on both sides of the connector to verify it is fully seated and locked.
- 10Reinstall interior trim panelReplace any sound deadening material or protective tape that was removed. Position the tailgate trim panel and align all clips with their respective holes. Press firmly around the perimeter until all clips are fully seated and the panel is secure. Verify panel gaps are even and consistent.
- 11Reconnect battery and initialize systemReconnect the negative battery terminal and tighten to specification. Do not overtighten the terminal bolt as this can damage the battery post. Turn the ignition to ON position (do not start engine) and wait for all systems to initialize, approximately 30 seconds.⚠Ensure battery terminal is clean and free of corrosion before reconnecting; poor connection can cause electrical system faultsTorque specBattery Terminal Bolts6 Nm (4 lb-ft)
Reassembly
- Verify all trim panels are properly seated and clips are engaged
- Check camera lens is clean and free from fingerprints or debris
- Ensure camera grommet is properly sealed to prevent water intrusion into tailgate
- Verify no tools or parts were left inside the tailgate cavity
Verification
- Start the vehicle and shift transmission into Reverse while monitoring the infotainment display
- Verify backup camera image appears on screen within 1-2 seconds of shifting to Reverse
- Check camera image quality is clear with no distortion, proper color, and correct orientation
- Verify backup guide lines appear correctly on the display (if equipped)
- Test camera in various lighting conditions if possible (bright sunlight, shade, low light)
- Inspect camera mounting area from exterior to ensure weatherproof seal is intact
- Check for any warning lights or camera-related error messages on instrument cluster
- Perform a test drive with several reverse maneuvers to confirm consistent camera operation