In 1996 Isuzu launched the Isuzu Hombre to replace the Isuzu Pick-up. It was available in two different engine variant, the 2.2 L I4, and the 4.3 L V6. This car is equipped with a TCM (Transmission Control Module). The Transmission Control Module (TCM) monitors the malfunction of sensors and actuators relating to transmission control. Below schematic illustrates the 2000 Isuzu Hombre 4.3L Automatic Transmission Control System Wiring Diagram.