DTC B1512: DIC Switch 1 Signal (Short To Ground): Testing
WARNING: This page is about a different car, the 2000 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
- If IPC diagnostic system check was performed, go to next step. If IPC diagnostic system check was not performed, go to INSTRUMENT PANEL CLUSTER (IPC) DIAGNOSTIC SYSTEM CHECK .
- Using scan tool, select IPC data display. Monitor DIC switch 1 (FUEL) data. If scan tool displays DIC switch 1 (FUEL) data as INACTIVE, go to next step. If scan tool does not display DIC switch 1 (FUEL) data as INACTIVE, go to step 4 .
- Observe scan tool DIC switch 1 (FUEL) data. Press DIC switch 1 (FUEL). See Figure . If status does not change from INACTIVE to ACTIVE, go to next step. If status changes from INACTIVE to ACTIVE, go to DIAGNOSTIC AIDS .
- Turn ignition off. Monitor DIC switch 1 (FUEL) data. Disconnect DIC switch connector. Turn ignition on. If scan tool does not display DIC switch 1 (FUEL) data as INACTIVE, go to next step. If scan tool displays DIC switch 1 (FUEL) data as INACTIVE, go to step 7 .
- Check for short to ground in Orange wire between DIC switch IPC. See WIRING DIAGRAMS . If circuit is okay, go to next step. If faulty circuit is found, repair as necessary and go to step 10 .
- Check for poor connections at IPC connector. If connections are okay, go to step 10 . If faulty connections are found, repair as necessary and go to step 8 .
- Check for poor connections at DIC switch connector. If connections are okay, go to step 10 . If faulty connections are found, repair as necessary and go to step 9 .
- Replace IPC. See INSTRUMENT PANEL CLUSTER (IPC) under REMOVAL & INSTALLATION. Go to step 10 .
- Replace DIC switch assembly. See DRIVER INFORMATION CENTER (DIC) & HEAD-UP DISPLAY (HUD) CONTROL SWITCHES under REMOVAL & INSTALLATION. Go to next step.
- Turn ignition off. Reinstall all components and connectors. Turn ignition on. Clear DTCs. Wait 5 seconds and check for DTCs. If DTC B1512 resets as current, go to step 2 . If DTC B1512 is not current, system is operating properly.