Volvo Diagnostics I - first version
A Volvo standard was introduced (Volvo Diagnostics I) 1988 , which means diagnosis of several on-board systems (On Board Diagnostic).
This Volvo Diagnostics included:
- Store problem indicators (diagnostic trouble codes) for various components as well as delete them (check function 1).
- Confirmation of activating components or functions (check function 2).
- Cyclic activation of components/functions (check function 3).
A diagnostic tool (diagnostic socket with light-emitting diode) was located in the engine compartment for reading out a Volvo Diagnosis from the various control modules.
Volvo Diagnostics, the first version is found on, e.g., fuel control system LH 2.4 and ignition system EZ 116K for model 240 and 740.