The Fuel Control System; Inspection Of The Injector; Inspection Of The Isc Valve - TOHATSU MFS 25D Service Manual

5. The Fuel Control System

1) Inspection of the Injector

1. Measure the injector resistance.
• This test can be conducted without removing
the part.
• The injector operation test can be conducted
using the "Engine Shut-down Test" or "Engine
Running Test" of the diagnosis system.
Injector Resistance (Reference Value): (at 25°C)

2) Inspection of the ISC Valve

1. Measure the resistance between the ISC valve terminals
1.
ISC Valve Resistance (Reference Value): (at 20°C)
The ISC valve operation test can be conducted
using the "Engine Shut-down Test" or "Engine
Running Test" of the diagnosis system.
4st 25/30 2022
8
8-27