P0727

ENGINE SPEED INPUT - P0726/P0727

Function:
Reference speed generation.

Possible Causes:
Faulty harness Wiring / connectors.
Faulty signal from ECM.

NOTE: P0726 indicates an intermittent fault.

Effects:
MIL illuminated.
Harsh gearshifts.

Remedy:
Repair or renew harness / connectors.
Examine ECM fault diagnosis.





Connections





Troubleshooting Schematic

Key to Schematic Diagram
1. Transmission Control Module
2. Transmission Unit
3. Brake Switch
4. Pressure Switch - Manifold
5. Transmission Fluid Temperature Sensor
6. Input Speed Sensor
7. Output Speed Sensor
8. Engine Control Module
9. Left-hand Heelboard Fuse-box
10. Torque Control Clutch Solenoid
11. Force Motor
12. Shift Solenoid A
13. Shift Solenoid B
14. ABS/Traction Control Control Module
15. Right-hand Heelboard Fuse-box
16. Kickdown Switch