Me745 Pinout Free Verified -
: The "lay-by" pins for boot connections are typically located on the lower part or opposite side of the main ECU connectors.
Connecting the software to the hardware depends on the type of work being performed on the bench. Boot Mode Flashing (Piasini / ChipLoader)
. If the ECU is "locked," your diagnostic tool will show "Matched ECU" status while awaiting a response from the BSI (Body Systems Interface). Safety First:
If your software cannot communicate with the ECU on the bench, check the following: Ensure a stable 12V-13.8V power supply. me745 pinout free
The Bosch ME7.4.5 utilizes a three-plug physical interface layout typically designated as (or Black, Brown, and Gray connectors depending on the specific model variation). Bosch ME7.4.5 (Citroen Peugeot) IMMO OFF
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Me7.4.5 (I) | PDF - Scribd
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If you want, I can:
For standard diagnostic sessions or basic bench powering, focus on
The ME745 pinout refers to the mapping of the board's pins to their respective functions. The board has a total of 86 pins, including digital I/O pins, analog input pins, and power supply pins. Understanding the pinout is crucial for connecting external devices, such as sensors, actuators, and communication modules, to the board. : The "lay-by" pins for boot connections are
This pinout reveals the ME745's control over the essential engine actuators. It directly drives the , the ignition coil (H1) , the fuel pump (H4) , and the electronic throttle body (F3, I3) . It also receives critical inputs from the crankshaft (K3/K4) and camshaft (J1) position sensors, which are vital for timing and starting. A faulty camshaft/crankshaft correlation can lead to a persistent P0341 fault code , a common issue which many have resolved by swapping the ECU.
| Pin(s) | Type | Description | | :--- | :--- | :--- | | A1 | Input/Output | Radiator Fan Diagnostic | | A3, A4 | Communication | CAN I/S Bus (High & Low) | | A5 | Output | Radiator Fan Block 1 | | A6 | Input | Hands-Free Start Control | | A7 | Input | Alternator Charging Info | | A8 | Input/Output | Diagnostic Line K | | A9 | Output | Radiator Fan Block 2 | | A12 | Input | Brake Pedal Switch | | A13 | Input | Clutch Pedal Sensor | | A14, A16 | Ground | Coolant Pressure Sensor Ground | | A15 | Output | Coolant Pressure Sensor 5V Power | | A17 | Input | Accelerator Pedal Position Sensor 2 | | A18 | Input | Accelerator Pedal Position Sensor 1 | | A19 | Output | Accelerator Pedal Sensor 5V Power | | A20 | Ground | Accelerator Pedal Sensor 1 Ground | | A21 | Input | Pedal Stuck Signal | | A22 | Output | Power Relay Control | | A23 | Output | Main System Relay Control | | A24 | Input | Wake-Up Signal | | A25, A28, A29, A32 | Ground | ECU Power Ground | | A27 | Ground | Accelerator Pedal Sensor 2 Ground | | A30 | Power | ECU Main Power (Battery+) | | A1 (B) | Input | Throttle Position Sensor 1 | | A4 (B) | Ground | Coolant Temp Sensor Ground | | B1 (B) | Input | Downstream O2 (-) Signal | | C1 (B) | Input | Downstream O2 Signal Ground | | C2 (B) | Input | Downstream O2 Signal (+) | | C4 (B) | Ground | Manifold Air Pressure Sensor Ground | | D1 (B) | Output | Downstream O2 Heater (+) | | D3 (B) | Ground | Throttle Motor Position Sensor Ground | | D4 (B) | Ground | Cylinder Ref. Sensor Ground | | E2 (B) | Input | Throttle Position Sensor 2 | | E3 (B) | Output | Throttle Sensor 5V Power | | E4 (B) | Output | Manifold Pressure Sensor 5V Power | | F1 (B) | Input | Manifold Absolute Pressure Signal | | F3 (B) | Output | Electric Throttle Motor "Close" | | F4 (B) | Output | Upstream O2 Heater (-) | | G1 (B) | Input | Cylinder Ref. Sensor Signal | | G2 (B) | Input | Upstream O2 Signal (+) | | G3 (B) | Ground | Upstream O2 Signal Ground | | G4 (B) | Ground | Power Ground | | H1 (B) | Output | Ignition Coil Signal | | H2 (B) | Output | Injector 1 (Cylinder 1) | | H3 (B) | Output | Injector 2 (Cylinder 2) | | H4 (B) | Output | Fuel Pump Relay Control | | I1 (B) | Output | Injector 4 (Cylinder 4) | | I2 (B) | Output | Injector 3 (Cylinder 3) | | I3 (B) | Output | Electric Throttle Motor "Open" | | I4 (B) | Output | Upstream O2 Heater (+) | | J1 (B) | Input | Camshaft Phase Sensor Signal | | J2 (B) | Input | Knock Sensor Signal | | J3 (B) | Ground | Knock Sensor Ground | | J4 (B) | Ground | Injectors Power Ground | | K1 (B) | Ground | Ignition Coil Power Ground | | K2 (B) | Ground | Crank Sensor Ground | | K3 (B) | Input | Crank Sensor Signal | | K4 (B) | Input | Engine Speed (RPM) Sensor Signal | | L1 (B) | Power | Injectors Power (Battery+) | | L2 (B) | Output | Idle Air Control Valve Power | | L3 (B) | Output | Main Relay Output | | L4 (B) | Ground | Sensor Ground |
You now have complete, to the ME745 pinout, including: If the ECU is "locked," your diagnostic tool
