LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2009 >> Impala SS >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel System Displays & Gauges >> Diagnostic Information and Procedures >> Instrument Cluster Gages Inoperative >> Circuit/System Verification

Circuit/System Verification

IMPORTANT: If the suspect gage is the speedometer, the drive wheels of the vehicle must be raised and the transmission must be placed in drive or first gear.
  1. Ignition ON, perform the IPC gage sweep test with the scan tool. Verify that all the gages sweep from their low to high position.
    • If any gages do not sweep from their low to high position, replace the IPC.
  2. Engine ON, transmission in drive or first gear, verify the scan tool Vehicle Speed parameter matches the speedometer display.
    • If the Vehicle Speed parameter does not match the speedometer display, test or replace the IPC.
scientia non olet · About LEMON Manuals