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Home >> Chevrolet >> 2004 >> Epica LS >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel, Gages, And Console >> Diagnostic Information and Procedures >> Fuel Gage Inaccurate or Inoperative

Fuel Gage Inaccurate or Inoperative

Step Action Values Yes No
1
  1. Connect a scan tool.
  2. Check for engine control diagnostic trouble codes (DTCs).
Is DTC P0461 set?		 - Go to DTC P0461 (2.0L - L34 GMDAT)  or DTC P0461 (2.5L - LBK)  Go to Step 2 
2
  1. Remove the instrument cluster.
  2. Turn on the ignition, with the engine OFF.
  3. Measure the voltage at the instrument cluster connector terminal B14.
Is the voltage within the specified range?		 11-14 V Go to Step 4  Go to Step 3 
3 Repair the open circuit between fuse F12 and the instrument cluster.
Is the repair complete?		 - System OK -
4 Use an Ohmmeter to Measure the resistance between the ECM connector terminal K30 and instrument cluster connector terminal C1.
Is the resistance near the specified value?		 0 Ω Go to Step 6  Go to Step 5 
5 Repair the open circuit between the ECM and the instrument cluster.
Is the repair complete?		 - System OK -
6 Replace the instrument cluster. Refer to Instrument Panel Cluster (IPC) Replacement .
Is the repair complete?		 - System OK -
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