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Home >> Suzuki >> 1997 >> Sidekick JS, 2D Utility, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 1.8L >> Diagnostic Trouble Codes (DTC) >> DTC P0461: Fuel Level Sensor Circuit Performance
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DTC P0461: Fuel Level Sensor Circuit Performance

NOTE: If DTC P0461 and P0463 are set together, diagnose DTC P0463  first.
  1. Turn ignition on. On models with manual transmission, measure voltage (backprobe) between PCM harness connector "A", terminal No. 2 (Yellow/Red wire) and ground. On models with automatic transmission, measure voltage (backprobe) between PCM harness connector "B", terminal No. 8 (Yellow/Red wire) and ground. Note reading. Add one gallon (3.8L) of fuel to tank. If voltage reading decreases, go to next step. If voltage reading does not decrease, go to step 3).
  2. Check for an intermittent problem. See TESTS W/O CODES article. Repair as necessary. Retest system.
  3. If voltage is 0-1 volt, ensure fuel tank is neither full or empty. Adjust if necessary and go to next step. If voltage is not as specified, replace fuel level sensor. Retest system.
  4. Observe fuel gauge. If gauge reads empty, repair open Yellow/Red wire between fuel gauge and PCM. If gauge reads actual fuel level, repair open Yellow/Red wire or poor connection at PCM. If gauge reads full, go to next step.
  5. Disconnect fuel gauge harness connector. If fuel gauge reading drops to empty, replace fuel level sensor. If fuel gauge reading does not change, check Yellow/Red wire for short to ground. Repair as necessary. If wire is okay, replace fuel level gauge. Retest system.
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