TL AWD V6-3.7L (2010)
Fuel Gauge Sender: Testing and Inspection
Fuel Gauge Sending Unit Test
Fuel Gauge Sending Unit Test
With SH-AWD
NOTE: For the fuel gauge system circuit diagram, refer to the Gauges Circuit Diagram.
1. Check the No. 12 METER (7.5 A) fuse in the under-dash fuse/relay box before testing.
2. Check for body electrical system DTCs.
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If no problem is found, go to step 3.
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If DTC B1175 or B1176 is indicated, go to the indicated DTC's troubleshooting.
3. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
4. Remove the rear seat cushion See: Body and Frame/Seats/Service and Repair/Rear Seat Removal/Installation.
5. Remove the access panel (A) from the left side of the floor.
6. Disconnect the fuel tank unit 4P connector (B).
7. Remove the fuel tank unit from the fuel tank See: Service and Repair/Fuel Tank Unit Removal/Installation.
8. Measure the resistance between the No. 1 and No. 3 terminals of the fuel tank unit 4P connector with the float at E (EMPTY), LOW (LOW
FUEL INDICATOR), and F (FULL) positions.
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If you do not get the following readings, replace the fuel gauge sending unit See: Powertrain Management/Fuel Delivery and Air
Induction/Fuel Pump/Service and Repair/Fuel Pump/Fuel Gauge Sending Unit Replacement.
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If the fuel gauge sending unit test is OK, do the secondary fuel gauge sending unit test See: Secondary Fuel Gauge Sending Unit Test.
NOTE: Remove the No. 15 BACK UP (10 A) fuse from the under-hood fuse/relay box for at least 30 seconds after completing troubleshooting,
otherwise it may take up to 20 minutes for the fuel gauge to indicate the correct fuel level.
