Tesla Model S 2012–2014 Wiring Diagram Manual – Electrical Schematics, HV Battery, CAN, HVAC & Power Distribution

Overview

Professional Tesla Model S wiring diagram manual collection covering the 2012, 2013, and 2014 model years, including the 2014.1, 2014.2, and 2014.3 electrical documentation releases. These detailed electrical schematics are designed for automotive electricians, EV technicians, independent repair workshops, and specialists who require circuit-level information for electrical diagnosis, troubleshooting, and repair.

The manuals include electrical circuit connections, wire colors, connector identification, pin assignments, wiring harness designators, control modules, grounds, fuse/relay circuits, CAN communication networks, high-voltage systems, and power distribution diagrams.

The collection includes left-hand-drive (LHD), right-hand-drive (RHD), China-market, and 2014.3 LHD-D documentation, allowing technicians to reference the appropriate electrical configuration and release.

Key Features

• Complete Tesla Model S electrical wiring schematics for 2012–2014
• Detailed circuit diagrams with wire colors and connector identification
• High-voltage battery and charging system circuits
• High-voltage interlock loop (HVIL) architecture
• Drive inverter and accelerator pedal wiring
• ABS, stability control, electronic parking brake, and steering circuits
• Electronic air suspension wiring
• HVAC, thermal management, coolant pumps, sensors, and valves
• Media Control Unit (MCU), infotainment, audio, and antenna connections
• Chassis CAN, Body CAN, fault-tolerant CAN, and Powertrain CAN networks
• Diagnostic connector circuits and communication wiring
• Passive safety restraints, security, and passive entry
• Front and rear lighting, door controls, seats, and powered accessories
• 12V power distribution, grounds, fuse boxes, and relay circuits
• LHD, RHD, China-market, and 2014.3 LHD-D releases

Included Manuals

Table of Contents

High-Voltage Battery & Powertrain

• HV Battery and Charger Circuits
• High-Voltage Interlock Loop (HVIL)
• High-Voltage Electrical Architecture
• Drive Inverter Wiring
• Accelerator Pedal Circuits
• Powertrain CAN Network

Charging & Electrical Power Distribution

• High-Voltage Charging Connections
• Battery and Permanent Power Distribution
• Switched 12V Power Distribution
• Ground Distribution
• Fuse and Relay Box Layouts
• Fuse and Relay Circuits

Brakes, Steering & Chassis

• Anti-Lock Braking System (ABS)
• Electronic Stability Control
• Electronic Parking Brake
• Electric Power Steering
• Steering-Wheel Controls
• Air Suspension System
• Chassis CAN Network

HVAC & Thermal Management

• HVAC Controller and Sensor Circuits
• Thermal Management Valves
• Coolant Pump Circuits
• Condenser Fan Circuits
• Air Conditioning Compressor
• HVAC Solenoids and Relay Controls
• Cabin Climate-Control Circuits
• Rear Defrost and Heating Circuits
• Cold-Weather Package Circuits (Applicable Releases)

Body Electronics & Security

• Left and Right Door Controls
• Power Window Circuits
• Security and Passive Entry
• Horn Circuits
• Front Cargo Hatch
• Rear Cargo Hatch and Power Liftgate
• Powered Sunroof
• Power Seats
• Side and Rear-View Mirrors
• Windshield Wiper and Washer System

Lighting & Accessories

• Front Exterior Lighting
• Rear Exterior Lighting
• Tailgate Lighting Connections
• Interior Lighting
• Steering-Wheel Electrical Controls
• Seat Electrical Circuits
• Powered Body Accessories

Infotainment & Audio

• Base Audio System Wiring
• Premium Audio Wiring (2012 Release)
• Antenna Connections
• Infotainment Non-Antenna Connections
• Media Control Unit (MCU)
• Infotainment Vehicle Interfaces

CAN Networks & Diagnostics

• Chassis CAN Network
• Body CAN Network
• Body Fault-Tolerant CAN Network
• Powertrain CAN Network
• Diagnostic Connections
• Vehicle Communication Interfaces

Safety & Driver Assistance

• Passive Safety Restraints System
• Parking Assistance
• Rear-View Camera
• Blind-Zone Detection
• Forward Camera
• Front Radar (Applicable Releases)

Electrical Connectors & Wiring Identification

• Wiring Diagram Legend
• Connector Designators
• Connector Pin Identification
• Harness and Branch Designators
• Wire Color Codes
• Wire Type and Cross-Section Designations
• Twisted-Pair and Shielded Wiring
• Electrical Splice Identification
• Circuit Reference Identification