The vacuum transducer on the Chrysler or EZK ignition box mounted on the inner driver-side fender panel.
No diagnostic guide is complete without good information. The "diagrar" (likely a typo for "diagrams") in your search indicates you need visual references. Here are the places to find wiring diagrams and technical data for your Volvo brick:
Ground the cathode clip (to engine ground). Touch the anode pin to pin 2 of the diagnostic port (for engine codes) or pin 6 (for ignition). Turn ignition on – count the flashes.
Fuel Injection System (ECU). This is the one you will use 90% of the time. Port 6: Ignition System (EZ-K or Regina). 🛠️ How to Read Codes (Step-by-Step)
was a "grocery getter" for professors and safety-conscious parents. But to a cult community of enthusiasts, these were the —uncrushable machines with a secret potential for speed.
| Pin | System Controlled | |------|-------------------| | | LH-Jetronic Fuel Injection (2.2 or 2.4) | | 2 | EGR System / Air Injection (if equipped) | | 3 | ABS (Anti-lock Braking System) – later models | | 5 | Cruise Control / EZK Ignition (varies by year) | | 6 | SRS (Airbag System) – 1990+ models |
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