MAN TG3 Compressed Air Control Wiring Diagrams – TGX/TGS Euro 6d (Q4 2020)

Wiring schematic set details the Compressed Air Control System for MAN TG3 TGX/TGS Euro 6d trucks, sourced from MAN Truck & Bus SE (Werk München), Q4 2020 edition.

🧩 The diagrams provide detailed mapping of:

• Luftpresser (Air Compressor) Solenoid Valves – Y277 / Y305
• Pressure Sensors (B351) for brake circuits 1–4 and air compressor supply
• Air Processing Modules (A1101 – EAM) and PFB ATO (AP021)
• Integration with C-CAN / I-CAN / RIO CAN architecture
• Control through RIO Module (AP020) and CVM

🔌 Key components:

• Relays (K280), fuses (F111, F367), connectors (X2799, X6301, X6302)
• 120Ω termination resistors (RP103) with CAN wiring topology markings
• Support for electronically regulated and cut-off compressed air prep (EAM + APM)

Use cases:

• Diagnosis of brake air supply issues
• Integration of EAM, APM, and air dryer systems
• Scania AMT compatibility (noted on Diagram 1)
• Workshop-level fault tracing and part replacement support

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