Camshaft Position Sensor (Method With Oscilloscope)
- Prepare an oscilloscope.
- Remove the glove box. <Ref. to
REMOVAL
, Glove Box.>
- Connect the probe to ECM connector.
- Intake camshaft position sensor
Courtesy of SUBARU OF AMERICA, INC.
- Exhaust camshaft position sensor
Courtesy of SUBARU OF AMERICA, INC.
| Camshaft position sensor |
Terminal No. |
Probe |
| Intake |
RH |
24 |
+ |
| LH |
16 |
+ |
| Exhaust |
RH |
23 |
+ |
| LH |
29 |
+ |
| RH and LH |
30 |
- |
- Start the engine and let it idle.
- Check the waveforms and voltage.
NOTE:
For waveform and voltage, refer to "Engine Control Module (ECM) I/O Signal". <Ref. to
ELECTRICAL SPECIFICATION
, Engine Control Module (ECM) I/O Signal.>
- After inspection, install the related parts in the reverse order of removal.