USA Model

DTC Troubleshooting: P0462

DTC P0462:

Fuel Level Sensor (Fuel Gauge Sending Unit) Circuit Low Voltage

USA model

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information How To Troubleshoot The Fuel And Emissions Systems (Except FFV Model).

1. Turn the ignition switch to ON (II).

2. Clear the DTC with the HDS, and wait 5 seconds.

3. Check for Pending or Confirmed DTCs with the HDS.

Is DTC P0462 indicated?

YES -

Go to step 4.

NO -

Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the gauge control module and the fuel gauge sending unit.

4. Turn the ignition switch to LOCK (0).

5. Remove the second row seat Second Row Seat Removal/Installation.

6. Pull the carpet back out of the way, then remove the access panel from the floor.

7. Disconnect the fuel tank unit 5P connector.

8. Connect fuel tank unit 5P connector terminal No. 1 and No. 3 with a jumper wire.

9. Turn the ignition switch to ON (II).

10. Clear the DTC with the HDS, and wait 5 seconds.

11. Check for Pending or Confirmed DTCs with the HDS.

Is DTC P0463 indicated?

YES -

Replace the fuel gauge sending unit Fuel Pump/Fuel Gauge Sending Unit Replacement, then go to step 27.

NO -

Go to step 12.

12. Remove the jumper wire from the fuel tank unit 5P connector.

13. Measure the voltage between fuel tank unit 5P connector terminal No. 3 and body ground.

Is there about 5 V?

YES -

Go to step 22.

NO -

Go to step 14.

14. Turn the ignition switch to LOCK (0).

15. Remove the gauge control module with its connector connected Service and Repair.

16. Turn the ignition switch to ON (II).

17. Measure the voltage between gauge control module 32P connector terminal No. 31 and body ground.

Is there about 5 V?

YES -

Repair an open in the wire between the gauge control module and the fuel gauge sending unit, then go to step 27.

NO -

Go to step 18.

18. Turn the ignition switch to LOCK (0).

19. Disconnect gauge control module 32P connector.

20. Check for continuity between gauge control module 32P connector terminal No. 28 and No. 31.

Is there continuity?

YES -

Repair a short in the wires between the FUEL 5V line and the FUEL GND line, then go to step 28.

NO -

Go to step 21.

21. Check for continuity between gauge control module 32P connector terminal No. 31 and body ground.

Is there continuity?

YES -

Go to step 25.

NO -

Repair an open in the wire between the gauge control module and the fuel gauge sending unit, then go to step 28.

25. Check for continuity between fuel tank unit 5P connector terminal No. 1 and No. 2.

Is there continuity?

YES -

Repair a short in the wires between the SIGNAL line and the FUEL GND line, then go to step 28.

NO -

Go to step 26.

26. Check for continuity between fuel tank unit 5P connector terminal No. 1 and body ground.

Is there continuity?

YES -

Repair a short to body ground in the wire between the gauge control module and the fuel gauge sending unit, then go to step 28.

NO -

Replace the gauge control module Service and Repair, then go to step 28.

27. Turn the ignition switch to LOCK (0).

28. Reinstall all removed parts in the reverse order of removal.

29. Reconnect all connectors.

30. Turn the ignition switch to ON (II).

31. Reset the PCM with the HDS.

32. Do the PCM idle learn procedure PCM Idle Learn Procedure.

33. Check for Pending or Confirmed DTCs with the HDS.

Is DTC P0462 indicated?

YES -

Check for poor connections or loose terminals at the fuel gauge sending unit and the gauge control module, then go to step 1.

NO -

Troubleshooting is complete. If any other Pending or Confirmed DTCs are indicated, go to the indicated DTC's troubleshooting.