For California

P0462, P0463 FUEL LEVEL SENSOR





Description
The fuel level sensor is mounted in the fuel level sensor unit.
The sensor detects a fuel level in the fuel tank and transmits a signal to the combination meter. The combination meter sends the fuel level sensor signal to the ECM through CAN communication line.
It consists of two parts, one is mechanical float and the other is variable resistor. Fuel level sensor output voltage changes depending on the movement of the fuel mechanical float.




DTC Logic

DTC DETECTION LOGIC

NOTE:
- If DTC P0462 or P0463 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC
UXXXX.
- If DTC P0462 or P0463 is displayed with DTC P0607, first perform the trouble diagnosis for DTC
P0607. Refer to For California.
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 least 10 seconds before conducting the next test.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is between 11 V and 16 V at ignition switch ON.
- 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 For California.
NO - INSPECTION END




Diagnosis Procedure
1.CHECK COMBINATION METER FUNCTION
Refer to Component Function Check.
Is the inspection result normal?
YES - GO TO 2.
NO - Go to For California.
2.CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
- INSPECTION END