Section 26 (Engine Controls - System/Component Tests - EFI): Introduction

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 1990 Toyota Pickup, 1990 Toyota Cab & Chassis, 1990 Toyota 4Runner, 1989 Toyota Pickup, and 1989 Toyota Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Prior to testing separate components or systems, it is highly recommended that all procedures listed in appropriate BASIC TESTING article be performed. Since many computer controlled and monitored components will set a trouble code if they malfunction, it is also recommended that self diagnosis be performed. See appropriate TESTS W/CODES.