Disclaimer: Work on vehicle electronics at your own risk. Incorrect wiring can cause permanent damage to the ECU, wiring harness, or sensitive sensors.
This line links directly to Pin 7 of a standard OBD2 OBDII diagnostic port or your specific bench tool interface.
: Jump the positive power supply lead to Pin 2 . bosch me20 pinout verified
Connect your multimeter ground directly to the negative battery terminal.
What is the specific you are working on? Disclaimer: Work on vehicle electronics at your own risk
If your write-up involved recovering a dead ECU:
Wakes up the main processor. Verified Pin: Plug 1, Pin 3 2. Communication Interfaces : Jump the positive power supply lead to Pin 2
: CAN-High Network — Differential high-speed communication bus line.
The is a cornerstone of late 90s and early 2000s automotive engineering, famously powering high-performance Mercedes-Benz engines like the M112 V6 and M113 V8. Whether you are performing a diagnostic repair, an IMMO OFF procedure, or bench-flashing for performance, having a verified pinout is critical to avoid damaging these sensitive control modules. Core Verified Pinout (Bench Connection)
| Pin Number | Signal Name | Description | | --- | --- | --- | | 15 | TPS | Throttle position sensor | | 16 | MAP | Manifold absolute pressure sensor | | 17 | ECT | Engine coolant temperature sensor | | 18 | IAT | Intake air temperature sensor | | 19 | O2 | Oxygen sensor (lambda) |