FUEL INJECTION (FUEL SYSTEMS)(H4DO) > Crankshaft Position Sensor
INSPECTION
1. CRANKSHAFT POSITION SENSOR (METHOD WITH OSCILLOSCOPE)
1. Prepare an oscilloscope.
2. Remove the glove box. Glove Box > REMOVAL">
3. Connect the probe to ECM connector.


Terminal No. | Probe |
16 | + |
1 | − |
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 crankshaft position sensor has no deformation, cracks or other damages.
RemovalBulkhead wiring harness (in compartment) Location
WIRING SYSTEM > Bulkhead Wiring Harness (In Compartment)LOCATIONConnectorConnecting toNo.PoleColorAreaNo.DescriptionB274B-4 Blower Resistor (manual A/C)B308BlackC-5 Front door cord RHB3110GrayC-1AB1Airbag wiring harnessB328B-2 Turn signal and hazard unitB4016BlackC-1 Data link connectorB412C-2 Po ...
Note
LIGHTING SYSTEM > Interior Light SystemNOTEFor operation procedures of each component of the interior light system, refer to the respective section.• Spot map light: Spot Map Light">• Room light: Room Light">• Luggage room light: Luggage Room Light">&b ...
How to contact the vehicle manufacturer
concerning modifications
for persons with disabilities that
may affect the advanced airbag
system
Changing or moving any parts of the front
seats, rear seat, seatbelts, front bumper,
front side frame, radiator panel, instrument
panel, combination meter, steering wheel,
steering column, tire, suspension or floor
panel can affect the operation of the
SUBARU advanced airbag system. If
you ha ...