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HOMESERVICE MANUALSACURA1999NSX V6-3.2L DOHC (VTEC)REPAIR AND DIAGNOSISRELAYS AND MODULESRELAYS AND MODULES - LIGHTING AND HORNSHEADLAMP CONTROL MODULETESTING AND INSPECTION
1999 Acura NSX V6-3.2L DOHC (VTEC)

Headlamp Control Module: Testing and Inspection

1999 Acura NSX V6-3.2L DOHC (VTEC)SECTION Testing and Inspection

Retractable Headlight Control Unit Input Test:




Retractable Headlight Control Unit Input Test:




Remove the rear bulkhead panels, and disconnect the 18P connector from the control unit.

Inspect the connector and socket terminals to be sure they are all making good contact.
- If the terminals are bent, loose, or corroded, repair them as necessary, and recheck the system.
- If the terminals look OK, make the following input tests at the connector.
- If any test indicates a problem, find and correct the cause, then recheck the system.
- If all the input tests prove OK, the control unit must be faulty; replace it.

NOTE: Different wires with the same color have been given a number suffix to distinguish them (for example, RED/YEL1 and RED/YEL4 are not the same).
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.