Tests AJ

PINPOINT TEST AJ: THE LOW FUEL LEVEL DISPLAY IS NEVER/ALWAYS ON

Test AJ1-AJ2:

Normal Operation
Typically, the low fuel level display appears in the message center when the fuel level reaches a predetermined level of approximately 1/8 tank. The low fuel level warning indicator and fuel gauge are controlled by the instrument cluster based upon the fuel level data provided by the SJB. When the instrument cluster receives data from the SJB that indicates the fuel level has reached the preset low fuel level, the fuel gauge will indicate low fuel and the instrument cluster will illuminate the low fuel level display in the message center. A correctly functioning fuel gauge indicates that the fuel pump modules, the circuitry to the SJB and the SJB are operating correctly.

Possible Causes
- fuel pump module
- instrument cluster
- SJB