LEMON Manuals: Even more car manuals for everyone
Home >> Subaru >> 2022 >> Forester Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (2 Of 4) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0336: Crankshaft Position Sensor "A" Circuit Range/Performance >> Notes

DTC P0336: Crankshaft Position Sensor "A" Circuit Range/Performance: Notes

  1. DTC detecting condition: 

    Detected when two consecutive driving cycles with fault occur.

    Trouble symptom: 

    • Engine stall
    • Failure of engine to start
    NOTE: After the faulty parts are repaired or replaced, perform the final check in Basic Diagnostic Procedure. Ref. to ENGINE (DIAGNOSTICS) (H4DO)>BASIC DIAGNOSTIC PROCEDURE>PROCEDURE .
    1. CHECK CONDITION OF CRANKSHAFT POSITION SENSOR  .

      Check the installation condition of crankshaft position sensor.

      Is the crankshaft position sensor installation bolt tightened securely?

      Yes  : Go to  2.

      No  : Tighten the crankshaft position sensor installation bolt securely. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO)>CRANKSHAFT POSITION SENSOR>INSTALLATION .

    2. CHECK CRANKSHAFT POSITION SENSOR PLATE  .

      Check the crankshaft position sensor plate.

      Is there crack or damage in the crankshaft position sensor plate teeth?

      Yes  : Replace the crankshaft position sensor plate. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO)>CRANKSHAFT POSITION SENSOR PLATE .

      No  : Go to  3.

    3. CHECK INSTALLATION CONDITION OF TIMING CHAIN  .

      Turn the crankshaft, and align alignment mark on crank sprocket with alignment mark on cylinder block.

      ST 18252AA000 

      CRANKSHAFT SOCKET 

      Is the timing chain dislocated from its proper position?

      Yes  : Correct the installation condition of timing chain. Ref. to MECHANICAL (H4DO)>TIMING CHAIN ASSEMBLY .

      No  : Replace the crankshaft position sensor. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO)>CRANKSHAFT POSITION SENSOR .