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Home >> Subaru >> 2017 >> WRX STI >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (P0171 To P0685) (2.5L) >> 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

DTC DETECTING CONDITION: 

Detected when two consecutive driving cycles with fault occur.

TROUBLE SYMPTOM: 

Step Check Yes No
1 CHECK CONDITION OF CRANKSHAFT POSITION SENSOR. 
Turn the ignition switch to OFF.
Is the crankshaft position sensor installation bolt tightened securely? Go to step . Tighten the crankshaft position sensor installation bolt securely. <Ref. to Crankshaft Position Sensor .>
2 CHECK CRANK SPROCKET. 
Remove the timing belt cover.
Are crank sprocket teeth cracked or damaged? Replace the crank sprocket. <Ref. to Crank Sprocket .> Go to step .
3 CHECK INSTALLATION CONDITION OF TIMING BELT. 
Turn the crankshaft, and align alignment mark on crank sprocket with alignment mark on cylinder block.
ST 499987500 CRANKSHAFT SOCKET
Is the timing belt dislocated from its proper position? Repair the installation condition of timing belt. <Ref. to Timing Belt .> Replace the crankshaft position sensor. <Ref. to Crankshaft Position Sensor .>