LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Corvette Base, 2D Convertible, Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Analog Instrument Panels >> Diagnostic Tests >> DTC B0516: Speedometer Signal Circuit Malfunction >> Diagnostic Procedures

Diagnostic Procedures

  1. If IPC diagnostic system check was performed, go to next step. If IPC diagnostic system check was not performed, go to INSTRUMENT PANEL CLUSTER DIAGNOSTIC SYSTEM CHECK  . After performing IPC diagnostic system check, go to next step.
  2. Turn ignition off. Raise and support drive wheels. Start engine and allow to idle. Place transmission in Drive (A/T) or 1st gear (M/T) and allow engine to continue to idle. If speedometer indicates a vehicle speed, go to DIAGNOSTIC AIDS  .
  3. Check for open, short to ground or short to voltage in Dark Green/White wire between splice S204 and IPC connector terminal A7. See Figure . S204 located approximately 2" from 20-pin connector C150 located at right rear of engine compartment, below battery. Repair as necessary. After repairs, go to step  6 . If circuit is okay, go to next step.
  4. Check for poor connections at IPC connector. Repair as necessary. After repairs, go to step  6 . If connections are okay, go to next step.
  5. Replace IPC. See INSTRUMENT PANEL CLUSTER  . After repairs, go to next step.
  6. Using scan tool, clear DTCs. Operate vehicle within conditions for setting this DTC in FREEZE FRAME and/or FAILURE RECORDS. Recheck for DTC. If DTC does not reset, system is okay at this time. If DTC resets, go to step  2 .
scientia non olet · About LEMON Manuals