ZDX V6-3.7L (2010)
8. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
9. Remove the fuel tank unit from the fuel tank See: Powertrain Management/Fuel Delivery and Air Induction/Fuel Pump/Service and Repair/Fuel
Tank Unit Removal/Installation.
10. Measure the resistance between fuel tank unit 4P connector terminals No. 1 and No. 3 with the float at E (EMPTY), LOW (LOW FUEL
INDICATOR), 1/2 (HALF FULL), and F (FULL) positions.
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.
11. Reconnect the fuel tank unit 4P connector.
12. Remove the No.15 BACK UP (10 A) fuse from the under-hood fuse/relay box for at least 10 seconds, then reinstall it.
13. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.
14. Check that fuel gauge pointer indicates F with the float at F.
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If the fuel gauge pointer does not indicate F, replace the gauge control module See: Instrument Cluster / Carrier/Service and Repair.
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If the fuel gauge pointer indicates F, the test is complete.
NOTE:
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The pointer of the fuel gauge returns to the bottom of the gauge dial when the ignition switch is in ACC (I) and LOCK (0), or vehicle in ACC
or ON mode, regardless of the fuel level.
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Remove the No. 15 BACK UP (10 A) fuse from the under-hood fuse/relay box for at least 10 seconds after completing the test, otherwise it
may take up to 20 minutes for the fuel gauge to indicate the correct fuel level.