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Home >> Buick >> 1993 >> Riviera >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - Pcm/BCM >> Self-Diagnostic System >> Input Display Codes >> BCM Input Parameters:
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BCM Input Parameters:

  1. BI01

    Panel light switch display is LO when panel light switch is in ON or MAX position.
  2. BI02

    Park light switch display is LO when park light switch is in OFF position.
  3. BI03

    Driver door ajar switch display is LO when driver's front door is ajar.
  4. BI04

    Passenger door ajar switch display is LO when passenger's door is open.
  5. BI05

    Door jamb switch display is LO when any door is open.
  6. BI06

    RKE WAKE UP display is LO when an unlock signal is recognized by the RKE receiver module.
  7. BI08

    Low refrigerant pressure switch display is LO when system is low on refrigerant.
  8. BI09

    Washer fluid level switch display is LO when vehicle is low on washer fluid.
  9. BI16

    Key in ignition display is LO only when key is in LOCK position. (With ignition on, display will always read HI.)
  10. BI21

    Low brake fluid display is LO when brake fluid is low.
  11. BI22

    Parking brake switch display is LO when parking brake is applied.
  12. BI25

    Seat belt switch display is HI when driver's seat belt is fastened.
  13. BI51

    Generator feedback display is LO when there is a generator problem or engine is not running.
  14. BI78

    Headlights display is HI whenever headlight switch is on.
  15. BI79

    High beam switch display is LO as long as lever is pulled in.
  16. BI82

    Twilight enable switch display is LO whenever twilight sentinel headlight switch is on.
  17. BI88

    Low oil level switch display is HI when engine oil level is low.