P0463
DTC P0463: Fuel Level Sensor (Fuel Gauge Sending Unit) Circuit High Voltage1. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS.
3. Check the FUEL LVL SENSOR in the DATA LIST with the HDS.
Is the value 4.95 V or more?
YES - Go to step 4.
NO - Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the fuel gauge sending unit, the gauge assembly, and the PCM.
4. Turn the ignition switch OFF.
5. Remove the driver's side second row seat.
6. Cut the carpet at the dotted line (A). Be careful not to cut the wire harness under the carpet.
7. Remove the access panel (A) from the floor, then disconnect the fuel pump 5P connector (B).
8. Check for continuity between fuel pump 5P connector terminals No.1 and No.2.
Is there 130 Ohms or more?
YES - Replace the fuel gauge sending unit, then go to step 13.
NO - Go to step 9.
9. Check for continuity between fuel pump 5P connector terminal No.1 and body ground.
Is there continuity?
YES - Repair open in the wire (YEL/BLU) between the PCM (B49) and fuel gauge sending unit, then go to step 13.
NO - Go to step 10.
10. Disconnect gauge assembly connector A (30P).
11. Connect gauge assembly connector A terminal No.4 to body ground with a jumper wire.
12. Check for continuity between fuel pump 5P connector terminal No.1 and body ground.
Is there continuity?
YES - Replace the gauge assembly, then go to step 13.
NO - Repair open in the wire between the gauge assembly connector terminal No.4 and fuel gauge sending unit, then go to step 13.
13. Turn the ignition switch ON (II).
14. Reset the PCM with the HDS.
15. Do the PCM idle learn procedure.
16. Check for Temporary DTCs or DTCs with the HDS.
Are any Temporary DTCs or DTCs indicated?
YES - If DTC P0463 is indicated, check for poor connections or loose terminals at the gauge assembly and PCM, then go to step 1. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.
NO - Troubleshooting is complete.