On-Board Diagnostic System

1994 Acura Integra (GS-R) L4-1797cc 1.8L DOHC (VTEC)SECTION On-Board Diagnostic System

ON-BOARD DIAGNOSIS FUNCTION MALFUNCTION INDICATOR LAMP (MIL)
When an abnormality occurs in a signal from a sensor, the Engine Control Module (ECM) supplies ground for the MIL and stores the code in erasable memory. When the ignition is initially turned on, the ECM supplies ground for the MIL for two seconds to check the MIL bulb condition.

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.