The Terios, first introduced in 1997 as the J100 Series, is a compact SUV renowned for its surprising off-road capability, maneuverability, and affordability. Built on a robust ladder frame chassis, this vehicle offered a practical solution for individuals seeking a capable yet economical option for both urban commuting and light off-roading. Its compact dimensions, combined with a capable 4WD system and decent ground clearance, made it a versatile choice in its segment. Powered primarily by a 1.3-liter HC-EJ engine, the Terios emphasized efficiency and reliability, hallmarks of its engineering philosophy, often benefiting from extensive automotive expertise.

This comprehensive service and repair manual provides in-depth guidance for all aspects of the Terios, covering the 1st Generation models from 1997 onwards, including chassis codes J100G, J102G, and J122G, and engine codes HC-EJ and early K3-VE. It details routine maintenance procedures, engine overhauls, transmission service for both manual and automatic variants, brake system repairs, suspension and steering adjustments, and extensive electrical system diagnostics, complete with wiring diagrams. The manual also includes troubleshooting guides, repair instructions, and technical specifications, serving as an indispensable resource for owners, mechanics, and technicians aiming to maintain and restore the vehicle's optimal performance and longevity.