The Torque Converter Clutch (TCC) system uses controls
that are internal as well as external to the transmission.
The TCC system includes the following external control components:
| • | Cruise Control Release Switch -- In order to avoid stalling
the engine when braking, the converter clutch releases anytime the brake pedal
is applied. |
| • | Powertrain Control Module (PCM) -- The PCM receives input
signals and grounds TCC solenoid to apply clutch when the proper operating
conditions are met. |
| • | Throttle Position (TP) Sensor -- The TP Sensor sends throttle
position information to the Powertrain Control Module (PCM). |
| • | Vehicle Speed Sensor (VSS) -- The VSS sends vehicle speed
information to the Powertrain Control Module (PCM). |
| • | Manifold Absolute Pressure (MAP) Sensor -- The MAP Sensor
sends engine vacuum (load) information to the Powertrain Control Module (PCM). |
| • | Engine Coolant Temperature (ECT) Sensor -- The ECT Sensor
sends engine coolant temperature information to the Powertrain Control Module
(PCM). |
