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.
M/T model
- Turn the ignition switch ON (II).
Are the back-up lights on when the shift lever is not in reverse position?
- YES -Inspect the back-up light switch.
- NO -Go to step 2.
- Shift the transmission to reverse gear.
Do the back-up lights come on ?
- YES -Go to step 3.
- NO -Go to step 4.
- Measure voltage between ECM connector terminals B24and B20.
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there battery voltage ?
- YES -The back-up light switch signal is OK.
- NO -Repair open in the wire between the ECM (B24) and the back-up light switch.
- Inspect the No. 27 (7.5 A) fuse in the under-dash fuse/relay box.
Is the fuse OK ?
- YES -Repair open in the wire between the back-up light switch and the No. 27 (7.5 A) fuse. Inspect the back-up light switch.
- NO -Repair short in the wire between the ECM (B24) and the No. 27 (7.5 A) fuse. Replace the No. 27 (7.5 A) fuse.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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