3. Detect Malfunctioning Part

WARNING: This page is about a different car, the 2004 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.

Check the following.

Harness connectors M141, B211
Harness connectors B61, B261
Joint connector-15
Harness for open or short between combination meter and "fuel level sensor unit and fuel pump"
1. : Repair open circuit or short to ground or short to power in harness or connectors.