Fuel Gauge Sending Unit: Q45
Remove fuel gauge sending unit from fuel tank. Using a DVOM, connect positive lead to sending unit terminal No. 5, and negative lead to terminal No. 4. See Fig 3 . Measure resistance between indicated terminals with fuel gauge sending unit float in specified positions. See FUEL GAUGE SENDING UNIT TEST table. If resistance is not as specified, replace fuel gauge sending unit.
FUEL GAUGE SENDING UNIT TEST
| Application | Float Position | Ohms |
|---|---|---|
| I30 | Full | Approx. 5-8 |
| " | 1/2 | 32-34 |
| " | Empty | 80-81 |
| QX4 | Full | Approx. 4-6 |
| " | 1/2 | 30-34 |
| " | Empty | 80-83 |
| Q45 | Full | Approx. 4-6 |
| " | 1/2 | Approx. 32-33 |
| " | Empty | Approx. 80-83 |