Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc p0018 crankshaft position - camshaft position correlation bank 2 sensor a

Subaru Legacy BN/BS (2015-2019) Service Manual / Engine (diagnostics)(h4do) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc p0018 crankshaft position - camshaft position correlation bank 2 sensor a

DTC DETECTING CONDITION:

Detected when two consecutive driving cycles with fault occur.

TROUBLE SYMPTOM:

• Engine stalls.

• Improper idling

CAUTION:

After servicing or replacing faulty parts, perform Clear Memory Mode Clear Memory Mode > OPERATION, and Inspection Mode Inspection Mode > PROCEDURE.

STEP

CHECK

YES

1.CHECK FOR ANY OTHER DTC ON DISPLAY.

Is DTC other than P0016 and P0018 displayed-

Check the appropriate DTC using the “List of Diagnostic Trouble Code (DTC)”. List of Diagnostic Trouble Code (DTC)

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P0018 CRANKSHAFT POSITION - CAMSHAFT POSITION CORRELATION BANK 2 SENSOR A

2.CHECK INTAKE OIL CONTROL SOLENOID LH.

Check the intake oil control solenoid LH. Oil Control Solenoid > INSPECTION

Is the intake oil control solenoid LH normal-

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P0018 CRANKSHAFT POSITION - CAMSHAFT POSITION CORRELATION BANK 2 SENSOR A

Replace the intake oil control solenoid LH. Oil Control Solenoid

3.CHECK INSTALLATION CONDITION OF TIMING CHAIN.

Using ST and by turning the crankshaft, align the alignment marks of crank sprocket, intake cam sprocket and exhaust cam sprocket. Timing Chain Assembly

ST 18252AA000

CRANKSHAFT SOCKET

Is the timing chain installed in the proper position-

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P0018 CRANKSHAFT POSITION - CAMSHAFT POSITION CORRELATION BANK 2 SENSOR A

Correct the installation condition of timing chain. Timing Chain Assembly

4.CHECK CAM CARRIER FILTER.

Check the filter installed to the cam carrier. Cam Carrier > INSPECTION

Is the cam carrier filter normal-

Replace the intake cam sprocket LH. Cam Sprocket After the operation is complete, go to the next step. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P0018 CRANKSHAFT POSITION - CAMSHAFT POSITION CORRELATION BANK 2 SENSOR A

Replace the cam carrier filter. Cam Carrier

5.CHECK DTC.

1) Clear the memory using the Subaru Select Monitor or general scan tool. Clear Memory Mode > OPERATION

2) Perform drive cycle N. Drive Cycle > PROCEDURE

Is the same DTC as current diagnosis output-

Replace the ECM. Engine Control Module (ECM)

End.

1. OUTLINE OF DIAGNOSIS

NOTE:

For the detection standard, refer to DTC P0016. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P0016 CRANKSHAFT POSITION - CAMSHAFT POSITION CORRELATION BANK 1 SENSOR A

Dtc p0020 "a" camshaft position actuator control circuit/open bank 2

DTC DETECTING CONDITION:Immediately at fault recognitionTROUBLE SYMPTOM:Improper idlingCAUTION:After servicing or replacing faulty parts, perform Clear Memory Mode Clear Memory Mode > OPERATION, and ...

Dtc p0016 crankshaft position - camshaft position correlation bank 1 sensor a

DTC DETECTING CONDITION:Detected when two consecutive driving cycles with fault occur.TROUBLE SYMPTOM:• Engine stalls.• Improper idlingCAUTION:After servicing or replacing faulty parts, pe ...

Other materials:

Inspection
When the driving condition or starter motor operation is improper, first check the shift linkage for improper operation. If the shift linkage is functioning properly, check the inhibitor switch.1. Disconnect the ground terminal from battery sensor. NOTE2. Remove the clip (A), and loosen the clamps ...