P0725

Symptom:
P0725-ENGINE SPEED SENSOR CIRCUIT

Test 1:

Test 2-6:

Test 7-8:

When Monitored:
Whenever the engine is running.

Set Condition:
Engine RPM less than 390 or greater than 8000 for more than 2 seconds while the engine is running.

POSSIBLE CAUSES
- EATX RPM SIGNAL CIRCUIT OPEN
- EATX RPM SIGNAL CIRCUIT SHORT TO GROUND
- EATX RPM SIGNAL CIRCUIT SHORT TO VOLTAGE
- TRANSMISSION CONTROL MODULE
- INTERMITTENT WIRING AND CONNECTORS
- POWERTRAIN CONTROL MODULE