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EC-326 < COMPONENT DIAGNOSIS > [VQ35HR] P0462, P0463 FUEL LEVEL SENSOR P0462, P0463 FUEL LEVEL SENSOR Description INFOID:0000000000956701 The fuel level sensor is mounted in the fuel level sensor unit. DTC Logic INFOID:0000000000956702 DTC DETECTION LOGIC NOTE: DTC U1000, U1001. Refer to • If DTC P0462 or P0463 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to . This diagnosis indicates the former, to detect open or short circuit malfunction. DTC CONFIRMATION PROCEDURE 1. PRECONDITIONING If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at >> GO TO 2. 2. PERFORM DTC CONFIRMATION PROCEDURE 1. Turn ignition switch ON and wait at least 5 seconds. 2. Check 1st trip DTC. Is 1st trip DTC detected? YES >> Go to NO >> INSPECTION END Diagnosis Procedure INFOID:0000000000956703 1. CHECK DTC WITH “UNIFIED METER AND A/C AMP.” MWI-37, "CONSULT-III Function (METER/M&A)" . Is the inspection result normal? YES >> GO TO 2. NO >> Go to . 2. CHECK INTERMITTENT INCIDENT GI-39, "Intermittent Incident" DTC No. Trouble diagnosis name DTC detecting condition Possible cause P0462 Fuel level sensor circuit An excessively low voltage from the sensor is • Harness or connectors (The CAN communication line is open or • Harness or connectors (The sensor circuit is open or shorted) • Unified meter and A/C amp. P0463 Fuel level sensor circuit An excessively high voltage from the sensor is |