Main Relay (Computer/Fuel System)

1989 Acura Integra L4-1590cc 1.6L DOHC FISECTION Main Relay (Computer/Fuel System)
FUEL INJECTOR
Resistance value 1.5 - 2.5 ohms

FUEL PUMP
Resistance value continuity [1]

FUEL PUMP MAIN RELAY
Resistance value continuity [2]

[1] Between black and yellow wires at fuel pump connector.
[2] Between No.5 terminal and No.7 terminal when,
a. Battery positive voltage applied to No.4 terminal
b. Battery negative voltage applied to No.8 terminal
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

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.