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DTC 22: Fuel Level Signal

WARNING: This page is about a different car, the 2002 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect fuel gauge sending unit connector. Select DTC 22. If LCD indicates 252-255, go to next step. If LCD indicates other than 252-255, replace instrument cluster.
  2. Using a jumper wire, connect instrument cluster connector No. 3, terminal 3C to ground. See Figure . If LCD indicates 000-003, go to next step. If LCD indicates other than 000-003, replace instrument cluster.
  3. Connect SST (fuel and thermometer checker) or 20-ohm resistor between instrument cluster connector No. 3, terminal 3C and ground. See Figure . If LCD indicates 023-043, go to next step. If LCD indicates other than 023-043, replace instrument cluster.
  4. Connect SST (fuel and thermometer checker) or 60-ohm resistor between instrument cluster connector No. 3, terminal 3C and ground. See Figure . If LCD indicates 064-112, go to next step. If LCD indicates other than 064-112, replace instrument cluster.
  5. Connect SST (fuel and thermometer checker) or 100-ohm resistor between instrument cluster connector No. 3, terminal 3C and ground. See Figure . If LCD indicates 097-165, check fuel gauge sending unit. See FUEL GAUGE SENDING UNIT  under COMPONENT TESTS. If LCD indicates other than 097-165, replace instrument cluster.
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