Check code 22

2008 Mazda 6 s Sport, 4D Hatchback, StandardSECTION Check code 22
CHECK CODE 22 REFERENCE (FUEL LEVEL SIGNAL)

Check code 22 Fuel level signal
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CHECK CODE 22 DIAGNOSTIC PROCEDURE

STEP INSPECTION INDICATION ACTION
1 Select check code 22 with fuel gauge sender unit connector disconnected.
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Go to next step.
Other than stated above. Go to Step 6.
2 Connect instrument cluster terminals 2D and 2M.
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Go to next step.
Other than stated above. Go to Step 6.
3 Using SST  (Fuel and thermometer checker) or resistor, input 20 ohms  between instrument cluster terminals 2D and 2M.
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Go to next step.
Other than stated above. Go to Step 6.
4 Using SST  (Fuel and thermometer checker) or resistor, input 60 ohms  between instrument cluster terminals 2D and 2M.
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Go to next step.
Other than stated above. Go to Step 6.
5 Using SST  (Fuel and thermometer checker) or resistor, input 100 ohms  between instrument cluster terminals 2D and 2M.
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Inspect fuel gauge sender unit.
Other than stated above. Go to next step.
6 Inspect the wiring harness and connector between instrument cluster and fuel gauge sender unit.
  • If there is any malfunction, repair or replace the wiring harness, BCM or connector.
  • If there is no malfunction, replace the instrument cluster.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.