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.
Starter Switch Signal: Integra
Backprobing, measure voltage between PCM 32-pin connector terminal No. 9 (Brown/Black wire) and PCM 31-pin connector terminal No. 6 (Blue/White wire) with ignition switch in START position. See Figure. If battery voltage is present, starter signal is okay. If battery voltage is not present, inspect STARTER SIGNAL fuse No. 31 (7.5-amp) located in underdash fuse/relay box. If fuse is okay, repair open in Blue/White wire between PCM 31-pin connector terminal No. 6 and STARTER SIGNAL fuse No. 31. If fuse is blown, repair short in Blue/White wire between PCM 31-pin connector and fuse No. 18 or PGM-FI main relay. Replace STARTER SIGNAL fuse No. 31.
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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.