Heater System: Testing: Relays

1997 Acura Integra GS-R, 2D CoupeSECTION Relays
  1. Remove relay. Ensure continuity exists between terminals "B" and "D". Ensure no continuity exists between terminals "A" and "C". If continuity is not as specified, replace relay. If continuity is as specified, go to next step.
  2. Apply battery voltage across terminals "B" and "D". See Fig 1 . Ensure continuity exists between terminals "A" and "C". If continuity is not as specified, replace relay.
Fig 1: Testing Relay
G95G10021Courtesy of AMERICAN HONDA MOTOR CO., INC.
RENDER: 1.0x

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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.