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 MANUALSHONDA2002CIVIC SIREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 48 (INTERIOR LIGHTS)DASH LIGHTS BRIGHTNESS CONTROLLERCONTROLLER TEST
2002 Honda Civic Si
Controller Test
2002 Honda Civic SiSECTION Controller Test
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Honda Odyssey, 2003 Honda Odyssey, 2002 Honda Odyssey, 2001 Honda Odyssey, and 2000 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.
- Before testing the controller, do the control unit input test (see Control Unit Input Test ).
- Remove the gauge assembly (A) (see GAUGE ASSEMBLY REPLACEMENT ).
- Disconnect the 22P connector (B).
- At the gauge assembly, measure resistance between the B4 and B5 terminals while rotating the adjusting dial. Resistance should vary from 0 to 20,000 ohms as the dial is rotated.
- If the resistance does not change, replace the gauge assembly.
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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.