Chevrolet Volt Wiring Diagram Manual 2015–2016 & 2018–2019 – 1.4L / 1.5L Hybrid Electrical System, ECM, BCM, ABS, GMLAN, High-Voltage Battery & Full Circuit Schematics

Overview

This Chevrolet Volt electrical manual package provides comprehensive circuit-level information for hybrid powertrain diagnostics, high-voltage system troubleshooting, conventional engine repair, module testing, connector tracing and electrical fault diagnosis.

The collection spans both Volt generations represented by the uploaded manuals. The 2015 Volt Base uses the 1.4L engine, while the 2016, 2018 and 2019 manuals use the 1.5L engine.

Vehicle Coverage

• Chevrolet Volt 2015 Base
  • 1.4L
  • 96 pages
• Chevrolet Volt 2016 Premier
  • 1.5L
  • 111 pages
• Chevrolet Volt 2018 LT
  • 1.5L
  • 116 pages
• Chevrolet Volt 2019 Premier
  • 1.5L
  • 117 pages
• Engine coverage: 1.4L VIN 4 / 1.5L VIN 5
• Powertrain: Plug-in Hybrid / Hybrid-EV
• Total package: 4 PDF manuals / 440 pages
• Approx. total file size: 31 MB
• Format: PDF
• Language: English

Technical Highlights

• Engine Control Module (ECM)
• Body Control Module (BCM)
• Electronic Brake Control Module / ABS
• Hybrid/EV Powertrain Control Modules
• Battery Energy Control Module
• High-voltage battery pack
• Battery charger and charging receptacle
• Power inverter module
• Drive Motor 1 and Drive Motor 2
• High-voltage contactors
• Battery-current and temperature monitoring
• Manual service disconnect
• High-speed GMLAN
• Low-speed GMLAN
• LIN communication
• High-voltage energy-management communication
• Automatic HVAC
• Electric A/C compressor
• Hybrid battery cooling
• Passenger-compartment coolant heater
• Power and ground distribution
• Automatic transmission / electric drive
• Shift interlock
• Supplemental restraints
• Passive keyless entry / anti-theft
• Wiper / washer
• Pedestrian alert / virtual engine sound

Table of Content

• Active Bodyworks / Pedestrian Alert
  • Pedestrian alert sound control module
  • Front pedestrian alert speaker
  • Rear pedestrian alert speaker where equipped
  • BCM and GMLAN interface

• Air Conditioning / HVAC
  • Automatic A/C circuits
  • HVAC control module
  • Electric A/C compressor
  • Blower motor
  • Air-temperature door actuators
  • Mode-door actuator
  • Recirculation actuator
  • Windshield temperature / humidity sensor
  • Coolant heater control module
  • Auxiliary heater coolant pump
  • Passenger-compartment heater coolant control valve
  • Hybrid/EV electronics cooling
  • Hybrid/EV battery-pack cooling
  • Cooling fan circuits

• Anti-Lock Brakes
  • Electronic Brake Control Module
  • Brake pressure modulator
  • Wheel-speed sensors
  • Brake pedal travel sensors
  • Brake booster control
  • Electronic parking brake
  • Vehicle dynamic sensors
  • GMLAN communication
• Anti-Theft & Keyless Entry
  • Passive keyless entry
  • Forced-entry circuits
  • Keyless-entry control module
  • Door-lock controls
  • Exterior handle antennas
  • Vehicle On/Off switch
  • Immobilizer / security functions
  • Hood-ajar circuit
  • BCM integration
• Body Control Modules
  • BCM power and grounds
  • Lighting controls
  • Door-lock circuits
  • Wiper / washer interface
  • Security functions
  • Vehicle wake-up and accessory controls
• Computer Data Lines
  • High-speed GMLAN
  • Low-speed GMLAN
  • LIN networks
  • Serial-data communication
  • Hybrid powertrain module communication
  • High-voltage energy-management bus
  • BCM / ECM / EBCM communication
• Engine Performance
  • 1.4L VIN 4 engine controls
  • 1.5L VIN 5 engine controls
  • Engine Control Module
  • Fuel injection
  • Ignition coils
  • Fuel-pressure circuits
  • Camshaft / crankshaft sensors
  • Engine coolant temperature
  • Engine-oil pressure
  • Oxygen sensors
  • EVAP system
  • EGR circuits
  • Emissions controls

• Hybrid / EV Powertrain
  • Hybrid/EV Powertrain Control Modules
  • Power inverter module
  • Drive Motor 1
  • Drive Motor 2
  • Automatic transmission / electric-drive assembly
  • Transmission internal mode switch
  • Transmission fluid-temperature sensor
  • Valve-control solenoids
  • Drive-motor temperature sensors
• High-Voltage Battery & Charging
  • Hybrid/EV battery pack
  • Battery Energy Control Module
  • Battery modules
  • Battery voltage monitoring
  • Battery temperature sensors
  • Battery-current sensor
  • Positive and negative contactors
  • Precharge contactor and resistor
  • Manual service disconnect
  • Hybrid/EV battery charger
  • Charging receptacle
  • Charging enable/control circuits
  • AC input circuits
  • 3.6 kW / 7.2 kW charging provisions where applicable

• Power Distribution
  • High-voltage and 12V supplies
  • Underhood fuse blocks
  • Instrument-panel fuse blocks
  • Rear fuse block
  • Module power feeds
  • Relays and ignition feeds
• Ground Distribution
  • Engine grounds
  • Chassis grounds
  • Body grounds
  • Hybrid/EV system grounds
  • Transmission and accessory grounds
• Lighting
  • Headlights
  • Exterior lights
  • Interior lighting
  • Turn signals
  • Stop lamps
  • Backup lamps
  • Instrument illumination
• Supplemental Restraints
  • Driver and passenger airbags
  • Side-impact airbags
  • Roof-rail airbags
  • Knee airbags where equipped
  • Seat-belt pretensioners
  • Impact sensors
  • Passenger presence module
  • Inflatable Restraint Sensing and Diagnostic Module

• Transmission & Shift Interlock
  • Automatic transmission assembly
  • Electric-drive controls
  • Transmission solenoids
  • Speed sensors
  • Internal mode switch
  • Shift-lock actuator
  • Park-position circuits
  • Powertrain network communication
• Wiper / Washer
  • Windshield wiper motor
  • Washer pump
  • Washer relay
  • Wiper relay
  • Washer-fluid level sensor
  • BCM and LIN communication