MAN TGA Wiring Diagrams K-90 (2nd Edition) – Electrical Circuits, CAN Bus & System Schematics

This MAN TGA Wiring Diagrams Manual – K-90 2nd Edition provides complete factory schematics for the TGA series trucks. It is an essential reference for diagnosing, troubleshooting, and repairing electrical and electronic systems across multiple vehicle variants.

⚙️ Systems Covered

• Power Supply & Starting – Battery distribution, relays, fuses, starter, alternator

• Lighting & Signaling – Headlamps, fog lights, hazard warning, trailer lighting sockets

• Instrumentation & Controls – Tachograph, instrumentation, dashboard electronics

• CAN Databus Systems – Driveline (T-CAN), Instrumentation (I-CAN), ECAS, EBS, AS-Tronic, Intarder, Retarder

• Safety Systems – ABS/EBS, airbags, immobiliser, EVB (engine brake)

• Comfort & Cab Systems – Air conditioning, heater, wipers, washer, interior lighting, seat heating, cab tilt

• Transmission & Retarders – AS-Tronic, Eaton, ZF 16S, Intarder ZF-EST 48, VOITH DIGIPROP hydroretarder

• Special Equipment – Sunroof, sunblind, radio, navigation, GSM hands-free kits, work spotlights

• Supplementary Heating & Add-ons – Webasto, Thermo, Truma, D1LCC/D3LCC, D5W, D50

📊 Technical Highlights

• Full CAN Bus topology, including driveline and instrumentation networks

• Wiring diagrams for ECAS air suspension (4×2, 6×2, semitrailer, truck)

• Electronic Diesel Control diagrams for MS6.1 and EDC7 Common Rail (D0836LF)

• Preparation circuits for trailer controls, central lubrication, and cooling superstructure

• Voltage limiter, differential lock circuits, reversing stop, and tipper indicator

📂 File Details

• Format: PDF

• Pages: 638

• Size: ~7 MB

• Language: English / German

• Edition: Official MAN K-90, 2nd Edition

📑 Table of Contents – MAN TGA Wiring Diagrams K-90 (2nd Edition)

• General Information

  • Preface

  • Abbreviations

  • Safety Notes

  • Instructions for Using Wiring Diagrams

  • Search Criteria

• Series Wiring Diagrams (Chapter 3)

  • Power Supply & Starting System

  • Central Vehicle Computer Power Supply, Intarder, EBS, ECAS, Retarder, Vehicle Management Computer

  • Earth Distributor

  • Flame Starting Device, Fan Clutch, Coolant Temperature EDC, Coolant Level, START-STOP

  • Steering Hydraulic Fluid Level, Diagnosis, Pressure Pickup Air Filter

  • Clutch Fluid Level Sensor, Heating Thermostat, ZDR Interface

  • Cruise Control, Vehicle Speed Control, Vehicle Speed Limiter, Additional Retarding Brake

  • ECAM, Cab Locking Indicator, Tank Level Indicator

  • Horn, Oil Level Sensor, Engine Brake, Retarding Brake Pushbutton, External Temperature

  • Wiper & Washer System, Heater Fan

  • Cigarette Lighter, Ashtray Illumination, Gear Lever, Accelerator Pedal Unit, Diagnostics

  • Power Supply +15V, Instrumentation, Tachograph

  • Lighting Learning Session, Light Switches

  • Parking Lights Left & Right

  • Low Beam, High Beam, Fog Lamps, Reversing Lights

  • Direction Indicators, Hazard Warning, Trailer Indicators

  • Brake Lights, ABS/EBS Signals

  • Cab Interior Lighting, Bunk Lights, Roof Lights

  • Battery Power Distribution, Main Switch, Fuses, Relays

• Additional Wiring Diagrams (Chapter 4)

  • Air Conditioning Unit

  • Airbag System

  • Trailer Lighting Sockets (7-pin, 15-pin, 13-pin variations)

  • Differential Lock Circuits

  • CAN Databus Driveline (T-CAN) Configurations with AS-Tronic, ECAS, Intarder/Retarder, Special Modules

  • CAN Databus Instrumentation (I-CAN) with Tachograph

  • EBS – Electronic Braking System

  • ECAS – Electronically Controlled Air Suspension (multiple configurations: 4×2, 6×2, semitrailer, truck)

  • EDC – Electronic Diesel Control (MS6.1, MS6.1 with EGR, EDC7 Common Rail D0836LF)

  • EVB – Electronically Controlled Engine Brake

  • Intarder ZF-EST 48, Hydroretarder VOITH DIGIPROP

  • AS-Tronic Transmissions (12-gear, 16-gear)

  • ZF Transmission 16S151/16S181

  • Eaton RTSO Transmission (LL & RL)

  • Supplementary Heating Systems (Webasto, Thermo, Truma, D1LCC/D3LCC, D5W, D50, with and without TRS)

  • Preparation Circuits (Central Lubrication, LSVA, Cooling Superstructure, Trailing Axle Control)

  • Cab Tilt Device (Electrical)

  • Work Spotlights & Additional Headlights

  • Sunroof, Sunblind (Electric)

  • Radio & Navigation Systems (12V/24V, MAN-Sound, CD Changer, Cullmann & Nokia Phones)

  • Vehicle Immobiliser

  • Seat Adjustment & Heating Systems

  • Voltage Limiter

  • Reversing Stop & Tipper Indicator