RL V6-3.5L (2007)
Fuel Gauge Sender: Testing and Inspection
Fuel Gauge Sending Unit Test
NOTE: For the fuel gauge system circuit diagram, Refer to the Gauges Circuit Diagram.
1. Do multiplex integrated control system troubleshooting test mode A.
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If no problem is found, Go to step 2.
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If DTC B1175 is indicated, Go to the DTC B1175 troubleshooting.
2. Check the No. 21 METER (7.5 A) fuse in the underdash fuse/relay box.
3. Do the gauge drive circuit check.
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If the fuel gauge needle sweeps from the minimum to maximum position and then returns to minimum, the gauge is OK. Go to step 4.
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If the fuel gauge needle does not sweep correctly, replace the gauge assembly and retest.
4. Turn the ignition switch OFF.
5. Remove the rear seat cushion.
6. Remove the access panel (A) from the left side of the floor.
7. Disconnect the fuel pump 5P connector (B).
8. Remove the fuel tank unit from the fuel tank.
NOTE: If the fuel tank is full, drain the fuel.
