17c61 Ecu Pinout 'link' -
A very specific topic!
Power & ground
Power (+12V)
: Connect to the designated Red pins (often pin 3, 50, or 88 depending on specific harness variations). Ground (GND) : Connect to the Black pin. CAN-High : Connect to the Blue pin. CAN-Low : Connect to the Orange pin. Technical Features Microcontroller : Utilizes the Infineon Tricore TC1724 Go to product viewer dialog for this item. 17c61 ecu pinout
| Pin | Signal Name | Type | Description | |-----|-------------|------|--------------| | C1 | Immobilizer code line | Serial | Continuous communication with body computer | | C2 | Immobilizer power | Power | +12V from body computer | | C3 | K-line (ISO 9141) | Serial | Diagnostic communication (OBD) | | C4 | L-line (optional) | Serial | Secondary diagnostic (rarely used) | | C5 | Secondary lambda sensor | Input | Post-cat O2 (Euro 3 models) | | C6 | Secondary lambda heater | Output | Ground for post-cat O2 heater | | C7 | Fuel tank pressure | Input | For EVAP monitoring | | C8 | Atmospheric pressure | Input | Built-in or external BARO sensor | | C9 | Alternator D+ | Input | Alternator load signal | | C10 | Battery voltage sense | Input | Direct battery voltage measurement | | C11..C18 | Reserved | – | Manufacturer diagnostics / programming | A very specific topic
The Connector Layout (A, B, D, E)
- TPS (A11): slowly open throttle – voltage should sweep smoothly.
- MAP (A14): engine off ~4.5V (sea level), idle ~1.5–1.8V.
- Coolant temp (A15): cold ~2.5–3.5V, hot ~0.5–1.0V.