Pinpoint Test H: The Low Fuel Warning Indicator Is Never/Always On

H1 CARRY OUT THE INSTRUMENT CLUSTER WARNING LAMPS AND CHIME ACTIVE COMMAND USING THE DIAGNOSTIC TOOL
- Key in OFF position.
- Connect the diagnostic tool.
- Key in ON position.
- Enter the following diagnostic mode on the diagnostic tool: Instrument Cluster Active Command.
- Select the instrument cluster WARNING LAMPS AND CHIME active command. Trigger the ALL LAMPS active command. Observe the LOW FUEL warning indicator.
- Is the LOW FUEL warning indicator illuminating?
1. Yes: GO to H2.
2. No: GO to H3 .
H2 THE LOW FUEL GAUGE WARNING INDICATOR IS NEVER/ALWAYS ON
- Check the fuel gauge for correct operation.
- Is the fuel gauge operating correctly?
1. Yes: GO to H3.
2. No: Go To PINPOINT TEST B: INCORRECT FUEL GAUGE INDICATION .
H3 CHECK FOR CORRECT INSTRUMENT CLUSTER OPERATION
- Disconnect all the instrument cluster connectors.
- Check for:
  - corrosion
  - pushed-out pins
- Connect all the instrument cluster connectors and make sure they seat correctly.
- Operate the system and verify the concern is still present.
- Is the concern still present?
1. Yes: INSTALL a new instrument cluster. REFER to INSTRUMENT CLUSTER . TEST the system for normal operation.
2. No: The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the self-test.