Main Relay

1991 Acura Legend Coupe V6-3206cc 3.2L SOHC FISECTION Main Relay

Main Relay Testing:




sT=Main Relay Harness Testing:






The main relay contains two individual relays. One relay is energized whenever the ignition is turned on. It supplies power to the ECU, injectors and power for the second relay. The second relay is energized for 2 seconds when the ignition is turned on it also supplies power to the fuel pump when the engine is running.
RENDER: 1.0x

NO RELATED

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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.