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Home >> Chevrolet >> 2004 >> Venture LT, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel System Displays, Gauges And Console >> Diagnostic Information and Procedures >> Tachometer Inaccurate or Inoperative

Tachometer Inaccurate or Inoperative

Tachometer Inaccurate or Inoperative

Step Action Yes No
Schematic Reference:  Instrument Cluster Schematics  
1 Did you perform the IPC Diagnostic System Check? Go to Step 2  Go to Diagnostic System Check - Instrument Cluster 
2 Start the engine.
Does the tachometer operate normally?
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems Go to Step 3 
3
  1. Turn ON the ignition, with the engine OFF.
  2. Install a scan tool.
  3. With a scan tool, sweep the tachometer.
Does the tachometer move from 0 RPM to 7000 RPM and back to 0 RPM when you sweep this gage up and down?
Go to Diagnostic System Check - Engine Controls in Engine Controls Go to Step 4 
4
IMPORTANT: Perform the set up procedure for the replacement IPC.
Replace the IPC. Refer to Instrument Panel Cluster (IPC) Replacement .Did you complete the replacement?
Go to Step 5  -
5 Operate the system in order to verify the repair.
Did you correct the condition?
System OK Go to Step 3