Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc p0462 fuel level sensor "a" circuit low

Subaru Legacy BN/BS (2015-2019) Service Manual / Engine (diagnostics)(h6do) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc p0462 fuel level sensor "a" circuit low

NOTE:

For the diagnostic procedure, refer to DTC P0463. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P0463 FUEL LEVEL SENSOR "A" CIRCUIT HIGH

1. OUTLINE OF DIAGNOSIS

Detect the open or short circuit of fuel level sensor. Judge as NG if out of specification.

2. COMPONENT DESCRIPTION

(1)	Engine control module (ECM)	(3)	Fuel level sensor	(5)	Body integrated unit
(2)	Fuel sub level sensor	(4)	Detecting circuit

3. EXECUTION CONDITION

Secondary Parameters	Execution condition
Battery voltage	≥ 10.9 V
Elapsed time after ignition switch is turned to ON	≥ 3000 ms

4. GENERAL DRIVING CYCLE

Always perform the diagnosis continuously.

5. DIAGNOSTIC METHOD

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgment Value

Malfunction Criteria	Threshold Value
Output voltage	< 2.211 V

Time Needed for Diagnosis: 2500 ms

Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.

Dtc p0463 fuel level sensor "a" circuit high

DTC DETECTING CONDITION:Detected when two consecutive driving cycles with fault occur.CAUTION:After servicing or replacing faulty parts, perform Clear Memory Mode Clear Memory Mode > OPERATION, and I ...

Dtc p0461 fuel level sensor "a" circuit range/performance

Other materials:

Inspection
1. Measure the resistance between connector terminals.Preparation tool:Circuit testerTerminal No.Inspection conditionsStandardFront LH: 1 — 2Except for front LH: 1 — 4When the switch is not pressedLess than 1 -When the switch is pressed1 M- or more2. Replace the switch assembly - door if the ins ...