Bosch M797 Pinout Better !exclusive! [4K 2025]

Use Pin 27 as your test ground when back-probing sensors. If you use Pin 11, you will read ~0.2v offset due to injector noise.

Pin 43 (Often used in Lada variants like Janvar 7.2(+), but may differ on specific Bosch revisions). bosch m797 pinout better

Pin 39 is used for the coolant sensor signal input. Use Pin 27 as your test ground when back-probing sensors

Uses a C167 processor with external flash memory. Booting typically involves grounding a specific pin on the flash chip or using a boot pin on the PCB. bosch m797 pinout better

You must ground a specific resistor (usually a 6.8k Ohm or 10k Ohm resistor) to the board's ground while powering up the ECU.

– Offers deep-dive breakdowns of Lada Europe pin connections.