Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc p0017 crankshaft position - camshaft position correlation bank 1 sensor b

Subaru Legacy BN/BS (2015-2019) Service Manual / Engine (diagnostics)(h6do) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc p0017 crankshaft position - camshaft position correlation bank 1 sensor b

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	NO
1.CHECK CURRENT DATA. 1) Start the engine and let it idle. 2) Read the values of «Exh. VVT Retard Ang. R» and «Exh. OCV Duty R» using the Subaru Select Monitor. NOTE: For detailed operation procedures, refer to “Read Current Data For Engine”. Subaru Select Monitor	Is the value of «Exh. VVT Retard Ang. R» approx. 0 deg, and the value of «Exh. OCV Duty R» approx. 10%-	Perform the following procedures, and clean the oil routing. Replace the engine oil and idle the engine for 5 minutes, and then replace the oil filter and engine oil. Engine Oil > REPLACEMENT Engine Oil Filter	Check the following item and repair or replace if necessary. • Oil pipe (clog) • Oil flow control solenoid valve (clog or dirt of oil routing, setting of spring) • Exhaust camshaft (dirt, damage of camshaft) • Timing chain (matching of timing mark)

1. OUTLINE OF DIAGNOSIS

Detect the exhaust AVCS system malfunction.

Judge as NG when standard timing advance amount is far from learning angle.

2. COMPONENT DESCRIPTION

(1)	Exhaust AVCS timing controller	(3)	Engine control module (ECM)	(5)	Hydraulic
(2)	Vane	(4)	Oil flow control solenoid valve

3. EXECUTION CONDITION

Secondary Parameters	Execution condition
Battery voltage	≥ 10.9 V
Elapsed time after the neutral position switch changed	≥ 3000 ms
Exhaust AVCS learning	In operation

4. GENERAL DRIVING CYCLE

Perform the diagnosis continuously while the exhaust AVCS is not operating after warming up.

5. DIAGNOSTIC METHOD

Judge as NG when the absolute value of the difference between cam signal input position and learning value is out of specification.

Diagnosis 1

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgment Value

Malfunction Criteria	Threshold Value
\|Crankshaft position when camshaft position sensor signal is input − Learning value\|	> 12 °CA

Time Needed for Diagnosis: 5000 ms

Diagnosis 2

Judgment Value

Malfunction Criteria

Threshold Value

Camshaft position sensor signal input position

< 33.28 °CA

> 71.28 °CA

Time Needed for Diagnosis: 5000 ms

Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.

NOTE:

Initial standard learning value is the value of crank angle initially input at the production plant. And then it will be updated every time normal judgment has been completed. Learning value will not be updated if NG judgment occurs because timing belt or chain derails suddenly in process or because wrong assembly occurs during servicing.

Dtc p0018 crankshaft position - camshaft position correlation bank 2 sensor a

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

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Other materials:

Assembly
1. Check each part. Front Disc Brake Assembly > INSPECTION2. Clean the inside of the caliper body using brake fluid.Fluid:FMVSS No. 116, DOT3 or DOT43. Install the piston seal and the piston - disc brake.(1) Apply a coat of brake fluid to piston seal and install the piston seal to the groove inside ...