Subaru Crosstrek Service Manual: Inspection

Subaru Crosstrek Service Manual / Fuel injection (fuel systems)(h4do) / Camshaft position sensor / Inspection

FUEL INJECTION (FUEL SYSTEMS)(H4DO) > Camshaft Position Sensor

INSPECTION

1. CAMSHAFT POSITION SENSOR (METHOD WITH OSCILLOSCOPE)

1. Prepare an oscilloscope.

2. Remove the glove box. Glove Box > REMOVAL">

3. Connect the probe to ECM connector.

• Intake camshaft position sensor

• Exhaust camshaft position sensor

Camshaft position sensor		Terminal No.	Probe
Intake	RH	26	+
Intake	LH	15	+
Exhaust	RH	14	+
Exhaust	LH	25	+
RH and LH		3	−

4. Start the engine and let it idle.

5. Check the waveforms and voltage.

NOTE:

For waveform and voltage, refer to “Engine Control Module (ECM) I/O Signal”. Engine Control Module (ECM) I/O Signal > ELECTRICAL SPECIFICATION">

6. After inspection, install the related parts in the reverse order of removal.

2. OTHER INSPECTIONS

Check that the camshaft position sensor has no deformation, cracks or other damages.

Removal

FUEL INJECTION (FUEL SYSTEMS)(H4DO) > Camshaft Position SensorREMOVAL1. INTAKE SIDE1. Disconnect the ground cable from battery.2. Remove the air intake duct. (RH side only) Air Intake Duct > RE ...

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