CKP Sensor Circuit Plausibility #1

Test 1 - 3:

Test 4:

SYMPTOM
P1335-CKP SENSOR CIRCUIT PLAUSIBILITY #1

TEST NOTE
This symptom is diagnosed using the test P1335-CKP SENSOR CIRCUIT DYNAMIC PLAUSIBILITY.

WHEN MONITORED
With the engine cranking or running.

SET CONDITION
The ECM detects a change in engine speed that has occurred more rapidly than is physically possible by the engine.

POSSIBLE CAUSES
- Crankshaft position sensor
- Engine control module
- Open shield circuit
- Intermittent condition