DTC P0182: Fuel Temperature Sensor "A" Circuit Low Input

DTC DETECTING CONDITION:

Immediately at fault recognition
GENERAL DESCRIPTION < Ref. to DTC P0182 FUEL TEMPERATURE SENSOR "A" CIRCUIT LOW INPUT , Diagnostic Trouble Code (DTC) Detecting Criteria. >

CAUTION: After repair or replacement of faulty parts, conduct Clear Memory Mode < Ref. to , OPERATION , Clear Memory Mode. > and Inspection Mode < Ref. to , PROCEDURE , Inspection Mode. >.

WIRING DIAGRAM:

Fig 1: DTC P0182 - Fuel Temperature Sensor "A" Circuit Low Input - Wiring Diagram

Courtesy of SUBARU OF AMERICA, INC.

DIAGNOSTIC STEPS DTC P0182

Step	Check	Yes	No
1 CHECK CURRENT DATA. Start the engine. Read the data of fuel temperature sensor signal using Subaru Select Monitor or OBD-II general scan tool. NOTE: Subaru Select Monitor For detailed operation procedures, refer to "READ CURRENT DATA FOR ENGINE". < Ref. to , SUBARU SELECT MONITOR . > OBD-II general scan tool For detailed operation procedures, refer to the OBD-II General Scan Tool Instruction Manual.	Is the fuel temperature 150°C (302°F)?	Go to step 2 .	The malfunction indicator light may light up, however, the circuit is returned to the normal status at the moment.
2 CHECK CURRENT DATA. Turn ignition switch to OFF. Remove the access hole lid. Disconnect the connector from fuel pump. Turn ignition switch to ON. Read the data of fuel temperature sensor signal using Subaru Select Monitor or OBD-II general scan tool. NOTE: Subaru Select Monitor For detailed operation procedures, refer to "READ CURRENT DATA FOR ENGINE". < Ref. to , SUBARU SELECT MONITOR . > OBD-II general scan tool For detailed operation procedures, refer to the OBD-II General Scan Tool Instruction Manual.	Is the fuel temperature -40°C (-40°F)?	Replace the fuel temperature sensor. < Ref. to FUEL TEMPERATURE SENSOR . >	Repair short circuit to ground in harness between fuel pump and ECM connector.