Code 54: Power Transistor Circuit

WARNING: This page is about a different car, the 1990 Isuzu Trooper, 1990 Isuzu Pickup, and 1990 Isuzu Amigo. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Code 54: Circuit Diagram & Flow Chart, Power Transistor Circuit

Courtesy of ISUZU MOTOR CO.