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Geo Workshop Service and Repair Manuals

Torque Converter Clutch Relay > < Torque Converter Clutch - Chuggle/Hunting Condition|Page 4288
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Torque Converter Clutch: Testing and Inspection

DIAGNOSIS

The diagnosis of the Torque Converter Clutch (TCC) system is covered in Chart C-8A Torque Converter Clutch (TCC) Relay System Check.
See: Powertrain Management/Computers and Control Systems/Testing and Inspection

ADDITIONAL CHECKS

If the Engine Control Module (ECM) doesn't switch the TCC "ON" during driving, sensors such as Engine Coolant Temperature, Vehicle Speed
Sensor and Throttle Position should also be checked.

Torque Converter Clutch Relay > < Torque Converter Clutch - Chuggle/Hunting Condition|Page 4288