Bosch Ecu Pinout Datasheet _hot_ → <Proven>

| Pin # | Signal Name | Description | | --- | --- | --- | | 1 | TPS | Throttle position sensor input | | 2 | MAP | Manifold absolute pressure sensor input | | 3 | ECT | Engine coolant temperature sensor input | | 4 | IAT | Intake air temperature sensor input | | ... | ... | ... | | 16 | CAN High | CAN bus high-speed interface |

The useful datasheet isn't a colorful diagram. It’s a dense table with columns: Bosch Ecu Pinout Datasheet

Before searching for a specific pinout, you must identify the correct hardware. Bosch uses a specific numbering system found on the unit's label. | Pin # | Signal Name | Description

A 2004 Audi A4 (1.8T) arrives on a flatbed. Symptom: Cranks but won’t start. The local garage has already replaced the crankshaft sensor, the fuel pump relay, and the ECM power relay. No change. They surrendered. | | 16 | CAN High | CAN