MAN TG3 Manual Gear Shift Wiring Diagrams – ZF Transmission

This technical wiring manual contains the full electrical schematics for the electronically monitored manual transmission system used in MAN TG3 trucks.

The diagrams include the complete control architecture for clutch monitoring, gearbox speed sensing, driver shift commands, splitter and range group solenoids, and ComfortShift logic.

All circuits include connector identifiers, power supply references, CAN communication lines, and grounding architecture required for advanced diagnostics or repair work.

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Transmission Components Covered

• Clutch displacement sensor (B362.1)

• Gearbox input speed sensor (B368.1)

• Reverse gear switch (S104.1)

• Neutral position switch (S172.1)

• Gear selector lever switch (S477)

• Shift safeguard switch (S1343)

These sensors are explicitly listed in the system component table.

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Gearbox Actuators and Control Hardware

The wiring diagrams include control circuits for:

• Clutch servo actuator (Y308.1)

• Split and range group solenoid (Y307.1)

• Range control solenoid (Y312.1)

• Electronic shift servo (YV123)

These components enable electronic assistance for manual gearbox operation.

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Control Modules and Electronic Architecture

The system integrates with:

• RIO control module A1358.1

• EIO3 control module A1359.1

These modules process driver commands, gearbox feedback, and ComfortShift functionality while communicating over CAN networks.

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CAN Bus Integration

The system uses dual CAN networks:

• G-CAN for EIO communication

• I-CAN for RIO communication

This dual-bus architecture allows reliable transmission control and status reporting.

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Delivery

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