Camshaft Position Sensor (Method With Oscilloscope)
- Prepare an oscilloscope.
- Remove the back panel - pocket. Refer to
REMOVAL
.
- Connect the probe to ECM connector.
Courtesy of SUBARU OF AMERICA, INC.
Courtesy of SUBARU OF AMERICA, INC.
| Camshaft position sensor |
Terminal No. |
Probe |
| RH |
26 |
+ |
| LH |
15 |
+ |
| RH and LH |
34 |
- |
- Start the engine and let it idle.
- Check the pattern is the same as the waveform and voltage shown below.
Courtesy of SUBARU OF AMERICA, INC.
- After inspection, install the related parts in the reverse order of removal.