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Home >> Cadillac >> 1997 >> Seville STS >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> INSTRUMENT PANEL CLUSTER DIAGNOSTIC TROUBLE CODES (DTCs) >> DTC B1982 >> Diagnostic Procedure

Diagnostic Procedure

  1. Connect scan tool. Turn ignition off. Using scan tool, select DATA LIST, DATA. If voltage displayed on scan tool is 16 volts or more, go to next step. If voltage displayed on scan tool is not 16 volts or more, replace IPC.
  2. Measure voltage between IPC connector C1, terminal A1 (Orange wire) and ground. See Figure . If voltage is 16 volts or more, problem is in charging system. See GENERATOR & REGULATOR article in ELECTRICAL section. If voltage is not 16 volts or more, replace IPC.
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