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Home >> Subaru >> 2021 >> WRX STI >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (2.5L) (2 Of 4) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0341: Camshaft Position Sensor "A" Circuit Range/Performance Bank 1 Or Single Sensor >> Diagnostic Method

Diagnostic Method

diagnosis 1:  judge as ng when the number of camshaft position sensor signals in two crankshaft revolutions is less than 3 time(s).

JUDGMENT VALUE SPECIFICATION - DIAGNOSIS 1

Malfunction Criteria Threshold Value
Amount of camshaft sensor signal during 2 revs of crankshaft < 3 time(s)

diagnosis 2:  judge as ng when the number of camshaft position sensor signals in two crankshaft revolutions is more than 3 time(s).

JUDGMENT VALUE SPECIFICATION - DIAGNOSIS 2

Malfunction Criteria Threshold Value
Amount of camshaft sensor signal during 2 revs of crankshaft > 3 time(s)

diagnosis 3:  judge as ng when the number of camshaft position sensor signals in two crankshaft revolutions is more than 12 time(s).

JUDGMENT VALUE SPECIFICATION - DIAGNOSIS 3

Malfunction Criteria Threshold Value
Amount of camshaft sensor signal during 2 revs of crankshaft > 12 time(s)

time needed for diagnosis:  two engine revs. x4 time(s)

Malfunction indicator light illumination:  Illuminates as soon as a malfunction occurs.