P0725

Test 1:

Test 2-6:

Test 7-8:

SYMPTOM
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.

Powertrain Control Module C2 (SBEC):

POWERTRAIN CONTROL MODULE CONNECTOR C-2

Transmission Control Module (3.3L/3.8L):

TRANSMISSION CONTROL MODULE CONNECTOR

For RPM signal circuit testing, test pin # 66 of the PCM connector C-2 and pin # 58 of the transmission control module connector.
Wire color code is Dark Blue with Orange trace.

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