Mercedes Unimog Wiring Diagram. Electrical System

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Unimog Wiring Diagrams: A set of factory wiring diagrams for popular Mercedes-Benz Unimog series (e.g., 405, 416, 421, U 5023). Includes detailed connector pinouts, lighting, climate control, retarder, and specialized equipment diagrams. Engine Pinout

- A95: SCR module on frame

- A113: NOx sensor

- AB: MR control unit, engine management system

- B10: Fuel temperature sensor

Specified values and parameters:

- Specified resistance at approx. 25°C: 1975 - 2155 O

- Specified resistance at approx. 60°C: 575 - 613 O

- Specified resistance at approx. 90°C: 239 - 249 O

- Specified resistance at approx. 120°C: 111 - 117 O

- A1: MR control unit, engine management system

- B11: Oil temperature sensor

- B12: Oil pressure sensor

- B14: Oil level sensor

Specified values and parameters:

- Specified resistance at approx. 25°C: 1975 - 2155 ohms

- Specified resistance at approx. 60°C: 575 - 613 ohms

- Specified resistance at approx. 90°C: 239 - 249 ohms

- Specified resistance at approx. 120°C: 111 - 117 ohms

- A1: MR control unit, engine management system

- B11: Oil temperature sensor

- B12: Oil pressure sensor

- B14: Oil level sensor

Specified values and parameters:

- Specified resistance at approx. 25°C: 1975 - 2155 ohms

- Specified resistance at approx. 60°C: 575 - 613 ohms

- Specified resistance at approx. 90°C: 239 - 249 ohms

- Specified resistance at approx. 120°C: 111 - 117 ohms

- AB: MR control unit, engine management system

- A6X2: Plug connection (55-pin)

- B13: Combination sensor 'Blast air pressure and temperature'

- A6: Engine Management System Control Unit

- A6X2: Plug connection (55-pin)

- B15: Crankshaft Position Sensor

- B16: Camshaft Position Sensor

- A1: Engine Management System (EMS) Control Unit

- B10: Fuel Temperature Sensor

- B65: Coolant Temperature Sensor

- B130: AdBlue Temperature Sensor