P0725

Test 1 Through 2:

Test 3 Through 7:

Test 8:

SYMPTOM:
P0725-ENGINE SPEED SENSOR CIRCUIT

When Monitored and Set Condition:
P0725-ENGINE SPEED SENSOR CIRCUIT
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
INTERMITTENT WIRING & CONNECTORS CONDITIONS
EATX RPM SIGNAL CIRCUIT OPEN
EATX RPM SIGNAL CIRCUIT SHORTED TO GROUND
EATX RPM SIGNAL CIRCUIT SHORTED TO VOLTAGE
PCM-INTERNAL CONTROLLER
TCM-INTERNAL CONTROLLER