Subaru Crosstrek Service Manual: 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 | + |
LH | 15 | + | |
Exhaust | RH | 14 | + |
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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