!!hot!!: Simos 33a Pinout Top
details the following specific connections for the fuel system: : Controlled via pins that trigger based on firing order. Hall Sender (G40) : Typically connected to pin 62. Coolant Temperature Sender (G62) : Provides input for engine management adjustments. Bench Connection Guide
: Used for diagnostic communication (K-Line is common for this generation of VAG ECUs).
Modern tools like the KT200II can occasionally experience freezing or "not responding" errors when communicating with older Simos units in bench mode. Expert Tip simos 33a pinout top
While diagnostics are usually through the lower connector (K-line), :
For Bench or OBD communication (using tools like MPPS or PCMtuner), the standard wiring for a Simos 3.3A unit typically includes: : Connects to the main battery supply pins. details the following specific connections for the fuel
If you need the pinout or a harness-side (female connector) pinout, let me know.
Many technicians seek this pinout specifically to perform an IMMO off, which is a common fix for older VW vehicles with failing immobilizer systems. Bench Connection Guide : Used for diagnostic communication
Based on the standard 80-pin wiring diagram for the Simos 3.3A (1.6L engine), the following are the primary power, ground, and communication pins: Pin Number(s) Ground (Main) Positive (+) Battery (Terminal 30) Ignition Switch (Terminal 15) K-Line (Diagnostics) Fuel Pump Relay Control Engine Speed Sensor (G28) Injector and Sensor Wiring Simos series Current Flow Diagram