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 MANUALSHONDA2005CIVIC SI L4-2.0LREPAIR AND DIAGNOSISWIPER AND WASHER SYSTEMSWIPER CONTROL MODULETESTING AND INSPECTIONREAR WINDOW WIPER INTERMITTENT CONTROL UNIT INPUT TEST
2005 Honda Civic Si L4-2.0L
Rear Window Wiper Intermittent Control Unit Input Test
2005 Honda Civic Si L4-2.0LSECTION Rear Window Wiper Intermittent Control Unit Input Test
Rear Window Wiper Intermittent Control Unit Input Test
1. Remove the right rear side trim panel.
2. Disconnect the 20P connector (A) from the rear window wiper intermittent control unit (B).
3. Inspect the connector and socket terminals to be sure they are all making good contact.
- If the terminals are bent, loose or corroded, repair them as necessary, and recheck the system.
- If the terminals look OK, go to step 4.
4. Reconnect the 20P connector to the rear window intermittent control unit and make these input tests at the connector.
- If any test indicates a problem, find and correct the cause, then recheck the system.
- If all the input tests prove OK, go to step 5.
5. Disconnect the 20P connector from the rear window wipe intermittent control unit, make these input tests at the connector.
- If any test indicates a problem, find and correct the cause,then recheck the system.
- If all the input tests prove OK, the control unit must be faulty. Replace it.
1. Remove the right rear side trim panel.
2. Disconnect the 20P connector (A) from the rear window wiper intermittent control unit (B).
3. Inspect the connector and socket terminals to be sure they are all making good contact.
- If the terminals are bent, loose or corroded, repair them as necessary, and recheck the system.
- If the terminals look OK, go to step 4.
4. Reconnect the 20P connector to the rear window intermittent control unit and make these input tests at the connector.
- If any test indicates a problem, find and correct the cause, then recheck the system.
- If all the input tests prove OK, go to step 5.
5. Disconnect the 20P connector from the rear window wipe intermittent control unit, make these input tests at the connector.
- If any test indicates a problem, find and correct the cause,then recheck the system.
- If all the input tests prove OK, the control unit must be faulty. Replace it.
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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.