P0182
V: DTC P0182 - FUEL TEMPERATURE SENSOR A CIRCUIT LOW INPUTDTC DETECTING CONDITION:
- Immediately at fault recognition
CAUTION: After repair or replacement of faulty parts, conduct CLEAR MEMORY MODE and INSPECTION MODE. Refer to How To Clear Diagnostic Trouble Codes. Clearing Diagnostic Trouble Codes
WIRING DIAGRAM
10V1: CONNECT SUBARU SELECT MONITOR OR THE OBD-II GENERAL SCAN TOOL, AND READ DATA.
1) Turn ignition switch to OFF.
2) Connect Subaru Select Monitor or the OBD-II general scan tool to data link connector.
3) Turn ignition switch to ON and Subaru Select Monitor or OBD-II general scan tool switch to ON.
4) Start engine.
5) Read data of fuel temperature sensor signal using Subaru Select Monitor or OBD-II general scan tool.
NOTE:
- Subaru Select Monitor
For detailed operation procedure, refer to the "READ CURRENT DATA SHOWN ON DISPLAY FOR ENGINE".
- OBD-II general scan tool
For detailed operation procedures, refer to the OBD-II General Scan Tool Instruction Manual.
CHECK: Is the value greater than 150°C (300°F)?
YES: Go to step 10V2.
NO: Even if MIL lights up, the circuit has returned to a normal condition at this time.
10V2: CHECK HARNESS BETWEEN FUEL TEMPERATURE SENSOR AND ECM CONNECTOR.
1) Turn ignition switch to OFF.
2) Remove access hole lid.
3) Disconnect connector from fuel pump.
4) Connect Subaru Select Monitor or the OBD-II general scan tool to data ink connector.
5) Turn ignition switch and Subaru Select Monitor or OBD-II general scan tool switch to ON.
6) Read data of fuel temperature sensor signal using Subaru Select Monitor or the OBD-II general scan tool.
NOTE:
- Subaru Select Monitor
For detailed operation procedure, refer to the "READ CURRENT DATA SHOWN ON DISPLAY FOR ENGINE".
- OBD-II general scan tool
For detailed operation procedures, refer to the OBD-II General Scan Tool Instruction Manual.
CHECK: Is the value less than -4O°C (-40°F)?
YES: Replace fuel temperature sensor.
NO: Repair ground short circuit in harness between fuel pump and ECM connector.