Fuel Level Warning Light Stays On With Engine Running
- Ensure ignition switch is in LOCK position. Disconnect negative battery cable. After more than 30 seconds, reconnect negative battery cable. Cycle ignition switch to ON position then LOCK position, 3 times. Turn ignition switch to ON position. Push trip reset button 3 times. Push trip reset button until DTC 16 is reached. If fuel level warning light turns on and off 3 times, go to next step. If fuel level warning light does not turn on and off 3 times, go to step 6).
- Push trip reset button until DTC 22 is reached. If LCD indicates 255, go to next step. If LCD does not indicate 255, replace fuel gauge sending unit.
- Disconnect fuel pump connector. Check for continuity between ground and fuel pump harness connector terminal "C". See Figure . If continuity exists, go to next step. If continuity does not exist, repair wiring between fuel gauge and ground. See WIRING DIAGRAMS.
- Connect ground to fuel pump connector terminal "B". Remove instrument cluster. See INSTRUMENT CLUSTER under REMOVAL & INSTALLATION. Check for continuity between ground and instrument cluster harness connector No. 2 terminal 2E. See Figure . If continuity exists, go to next step. If continuity does not exist, repair wiring between instrument cluster and fuel gauge sending unit. See WIRING DIAGRAMS.
- Disconnect Instrument Cluster connector. Check for continuity between instrument cluster connector No. 2 terminal 2E and Instrument Cluster connector terminal 4F. If continuity exists, replace instrument cluster. See INSTRUMENT CLUSTER under REMOVAL & INSTALLATION. If continuity does not exist, replace Instrument Cluster. See INSTRUMENT CLUSTER under REMOVAL & INSTALLATION.
- Remove fuel level warning light bulb. Inspect bulb. If bulb is okay, replace instrument cluster. See INSTRUMENT CLUSTER under REMOVAL & INSTALLATION. If bulb is bad, replace bulb.