MAN TG3 Truck Interior Lighting Wiring Diagrams – Cabin, Roof, Door, Reading, Storage & Ambient Lights

This wiring manual provides the complete electrical diagrams for the interior lighting system used in MAN TG3 trucks, covering cabin lighting, reading lights, door lighting, storage compartments, orientation LEDs, and crew-cab variants.

The diagrams include full component mapping, fuse routing, control modules, CAN communication lines, and grounding architecture required for professional diagnostics, repair, or retrofit work.

All schematics originate from official MAN electrical documentation and include connector identifiers, system references, and harness routing information.

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Lighting Systems Covered

• Cabin interior lighting (left/right)

• Roof interior lights (multi-color variants)

• Reading lights (left / right)

• Storage compartment lighting

• Crew-cab interior lights

• Sleeping bunk lighting (upper / lower)

• Entry lighting rear left/right

• Door handle lighting

• Door pocket lighting

• Ambient orientation lighting

• Dashboard illumination integration

These lighting components are shown connected through the central electrical system and CVM control unit.

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Control Modules and Electrical Architecture

The system integrates with:

• Central Electrical System A100

• CVM control module A1363

• Door IO modules (driver & codriver)

• Interior light operating switches

• Relay sockets and diodes for crew-cab circuits

These modules manage brightness control, user commands, and CAN communication.

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CAN Bus and Power Distribution

The manual includes:

• CAN High / Low data bus for CVM lighting control

• Ground network SYS_groundNet references

• Electrical supply SYS_electricalPowerSupply

• Fuse-protected interior lighting circuit F353

These connections allow proper troubleshooting of power loss, dimming faults, or communication failures.

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Diagnostic Use Cases

This wiring manual is essential for:

• Interior lights not switching on

• Orientation lighting malfunction

• Door lighting faults

• Crew cab lighting issues

• Sleeping bunk lighting problems

• CAN communication lighting errors

• Fuse/relay diagnosis

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Compatible Vehicles

MAN TG3 platform trucks, including:

• TGX

• TGS

• TGM

• TGL

(Cabin variants included: standard, wide, crew cab, sleeper)

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Manual Coverage

Interior Lighting Core System

• Interior lighting left/right

• Reading lights left/right

• Roof interior lighting white/red

• Storage box rear lighting

• Orientation lighting control switch

Crew Cab Lighting

• Crew cab interior lights rear left

• Crew cab interior lights rear right

• Entry lighting rear left

• Entry lighting rear right

• Interior lighting relay

• Crew cab lighting diodes

Sleeping Area & Storage Lighting

• Sleeping bunk light lower

• Sleeping bunk light upper right

• Sleeping bunk light upper left

• Storage compartment lights

• Storage compartment switches

Door Lighting System

• Door IO module driver

• Door IO module codriver

• Entry lighting

• Door handle lighting

• Door pocket lighting

Ambient / Orientation Lighting

• Orientation light console

• LED orientation storage console

• LED orientation roof storage

Electrical Integration

• Central electrical system

• CVM control module

• Ground network references

• Electrical supply network

• CAN bus integration

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Delivery

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