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Home >> Chevrolet >> 1998 >> Corvette 2D Convertible, Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Testing - Diagnostic >> DTC B1512: DIC Switch 1 Signal (Short To Ground) >> Testing

DTC B1512: DIC Switch 1 Signal (Short To Ground): Testing

  1. If IPC diagnostic system check was performed, go to next step. If IPC diagnostic system check was not performed, go to procedures in IPC DIAGNOSTIC SYSTEM CHECK  .
  2. Using scan tool, select IPC data display. Monitor DIC switch 1 (FUEL) data. If scan tool displays DIC switch 1 (FUEL) data as ACTIVE, go to next step. If scan tool does not display DIC switch 1 (FUEL) data as ACTIVE, go to step 7).
  3. Disconnect DIC switch connector. See COMPONENT LOCATIONS  . Using scan tool, select IPC data display. Monitor DIC switch 1 (FUEL) data. If scan tool displays DIC switch 1 (FUEL) data as ACTIVE, go to next step. If scan tool does not display DIC switch 1 (FUEL) data as ACTIVE, go to step 5).
  4. Check for short to ground in DIC switch harness between DIC switch and IPC. If no problem is found, go to step 6). If problem is found, repair as necessary. Go to step 9).
  5. Replace DIC switch assembly. See DRIVER INFORMATION CENTER (DIC) SWITCHES R & I  . Go to step 9).
  6. Replace IPC. See INSTRUMENT PANEL CLUSTER  under REMOVAL & INSTALLATION. Go to step 9).
  7. Check for intermittent malfunction in DIC switch circuit. See DIAGNOSTIC AIDS. If no problem is found, go to next step. If problem is found, repair as necessary. Go to step 9).
  8. Turn ignition off. Reinstall all components and connectors. Turn ignition on. Clear DTCs. Wait 5 seconds and check for DTCs. If DTC B1512 is current, go to next step. If DTC B1512 is not current, system is operating properly.
  9. Turn ignition off. Reinstall all components and reconnect all connectors. Turn ignition on. Clear DTCs. Perform procedures in IPC DIAGNOSTIC SYSTEM CHECK  .
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