CMP/CKP Position Sensor Circuit - Signal Frequency Too High

Test 1 - 4:

Test 5 - 8:

Test 9 - 12:

Test 13:

SYMPTOM
P1354-CMP/CKP POSITION SENSOR CIRCUIT - SIGNAL FREQUENCY TOO HIGH

TEST NOTE
This symptom is diagnosed using the test P1354-CMP/CKP POSITION SENSOR CIRCUIT - DYNAMIC PLAUSIBILITY.

WHEN MONITORED
With the engine running.

SET CONDITION
The ECM detects that engine speed is greater than 10,000 RPM.

POSSIBLE CAUSES
- Damaged CMP sensor or Camshaft ECM
- Sensor ground circuit open
- Intermittent condition
- 12 volt supply circuit open
- CMP sensor signal circuit open
- CMP sensor signal circuit shorted to ground
- Camshaft position sensor
- ECM sensor ground circuit open
- CMP sensor signal circuit shorted to the sensor ground circuit
- CMP sensor circuit shorted to voltage