Subaru 2009 IMPREZA Service Manual page 810

Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
AZ:DTC P0335 CRANKSHAFT POSITION SENSOR "A" CIRCUIT
1. OUTLINE OF DIAGNOSIS
Detect the open or short circuit of the crankshaft position sensor.
Judge as NG when the crank signal is not input even though the starter was rotated.
2. COMPONENT DESCRIPTION
(A)
#1BTDC10 CA
(B)
10 CA
(A) Cam signal
(2)
(1) Crankshaft position sensor
3. ENABLE CONDITION
Secondary Parameters
None
4. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.
#3BTDC10 CA
30 CA 30 CA
(B) Crankshaft signal
(1)
(2) Crank sprocket
Enable Condition
GD(H4SO)-86
#2BTDC10 CA #4BTDC10 CA
(3)
#1BTDC10 CA
(3) Crankshaft half-turn
EN-05538
EN-05539