Overview
This Chevrolet Bolt EV electrical manual package provides detailed circuit-level information for EV diagnostics, high-voltage troubleshooting, charging-system repair, battery monitoring, module testing, connector tracing and electrical fault diagnosis.
All four uploaded manuals identify the vehicle internally as a Chevrolet Bolt EV LT with Electric powertrain, covering 2018, 2019, 2020 and 2022.
The EV circuitry includes the Battery Energy Control Module, high-voltage battery modules and contactors, power inverter, Hybrid/EV Powertrain Control Modules, drive motor, charging circuits and thermal-management systems.
Vehicle Coverage
- Chevrolet Bolt EV 2018 LT
- Electric
- 113 pages
- Chevrolet Bolt EV 2019 LT
- Electric
- 114 pages
- Chevrolet Bolt EV 2020 LT
- Electric
- 113 pages
- Chevrolet Bolt EV 2022 LT
- Electric
- 112 pages
- Powertrain: Battery Electric Vehicle (BEV)
- Total package: 4 PDF manuals / 452 pages
- Approx. total file size: 30.4 MB
- Format: PDF
- Language: English
Technical Highlights
- Battery Energy Control Module (BECM)
- Hybrid/EV Powertrain Control Module 1 & 2
- High-voltage battery pack
- Individual battery modules and voltage monitoring
- High-voltage positive and negative contactors
- Precharge contactor and resistor
- Manual service disconnect
- Power Inverter Module
- Electric drive motor
- Drive motor position and temperature sensors
- DC battery charging circuits
- Charge receptacle
- Fast-charging provisions where equipped
- Accessory power / 14V power systems
- Body Control Module (BCM)
- ABS / Electronic Brake Control Module
- High-speed and low-speed GMLAN
- LIN communication
- Electric A/C compressor
- Battery and electronics coolant pumps
- High-voltage battery coolant heater
- Power and ground distribution
- Transmission / electric drive assembly
- Shift interlock
- Pedestrian alert system
- Supplemental restraints
The high-voltage schematics explicitly show battery contactors, precharge circuitry, manual service disconnect and DC battery charger connections. The manuals also identify the Battery Energy Control Module and individual battery-module voltage and temperature monitoring circuits.
Table of Content
- Active Bodyworks
- Pedestrian alert sound system
- Front / rear pedestrian alert speakers
- BCM and GMLAN communication
- Air Conditioning / EV Thermal Management
- Automatic A/C circuits
- HVAC control module
- Electric A/C compressor
- Blower motor and control module
- Air-temperature and humidity sensors
- Coolant heater control module
- Auxiliary heater coolant pump
- Hybrid/EV electronics coolant pump
- Hybrid/EV battery-pack coolant pump
- Battery-pack coolant heater
- Cooling fan system
The EV HVAC circuitry includes dedicated battery and power-electronics thermal-management components rather than only conventional cabin climate controls.
- Anti-Lock Brakes
- Electronic Brake Control Module
- Brake pressure modulator
- Electric brake booster
- Wheel-speed sensors
- Electronic parking brake
- Brake-pedal position and travel sensors
- GMLAN communication
- Anti-Theft
- Forced-entry circuits
- Pass-Key
- Passive keyless entry
- Exterior door-handle antennas
- Remote-control access
- Vehicle On/Off switch
- BCM security integration
- Body Control Modules
- BCM power and grounds
- Body-system inputs and outputs
- Lighting
- Locks
- Vehicle wake-up functions
- Accessory circuits
- Computer Data Lines
- High-speed GMLAN
- Low-speed GMLAN
- LIN networks
- Powertrain communication
- EV module communication
- Diagnostic serial-data circuits
- Cooling Fan
- Cooling fan control
- EV electronics cooling
- Battery cooling
- Coolant-temperature monitoring
- Cruise Control
- Steering-wheel controls
- Brake inputs
- Powertrain control interface
- Defoggers
- Rear-window defogger
- Control relay
- BCM / HVAC integration
- Electronic Power Steering
- Steering control module
- Power and communication circuits
- Electronic Suspension
- Electronic suspension circuitry where equipped
- Included in applicable 2019–2020 material
- Electric Drive / Engine Performance
- 16-part electric powertrain circuit
- Hybrid/EV Powertrain Control Modules
- Battery Energy Control Module
- High-voltage battery pack
- Battery modules
- Battery voltage monitoring
- Battery temperature monitoring
- Positive / negative contactors
- Precharge system
- Manual service disconnect
- Charging receptacle
- DC battery charger
- Fast-charging provisions
- Power Inverter Module
- Accessory power module
- Drive motor
- Electric transmission-fluid pump
The electric-drive section spans 16 interconnected circuit diagrams, including high-voltage battery and charging architecture.
- Exterior Lights
- Backup lamps
- Exterior lamps
- Turn signals
- Stop lamps
- Parking lamps
- Ground Distribution
- Six-part ground-distribution circuits
- Body grounds
- EV powertrain grounds
- Module grounds
- Headlights
- High / low beam circuits
- Headlamp controls
- BCM integration
- Horn
- Instrument Cluster
- Driver information display
- EV indicators
- Warning indicators
- Vehicle communication
- Interior Lights
- Courtesy lamps
- Instrument illumination
- Interior lighting controls
- Navigation & Driver Assistance
- All Around Vision Camera
- Blind Spot Monitoring
- Lane Departure Warning
- Navigation with / without amplifier
- Parking-assistant circuits
- Power Distribution
- Six-part power-distribution system
- Underhood fuse block
- Battery feeds
- EV control-module supplies
- Power inverter feeds
- Accessory circuits
- Power Door Locks
- Door-lock actuators
- Keyless entry
- BCM interfaces
- Power Mirrors
- Electrochromic mirror
- Mirror adjustment circuits
- Power Seats
- Driver power seat
- Lumbar adjustment
- Heated seats
- Heated steering wheel where equipped
- Power Windows
- Radio / Infotainment
- Amplified audio
- Non-amplified audio
- Infotainment communication
- Shift Interlock
- Shift-lock circuits
- Park-position interface
- Supplemental Restraints
- Airbags
- Impact sensors
- Restraint sensing and diagnostic module
- Seat-belt restraint circuits
- Transmission / Electric Drive
- Automatic transmission assembly
- Drive motor
- Power Inverter Module
- Hybrid/EV Powertrain Control Module
- Drive-motor position sensor
- Drive-motor temperature sensor
- Range / position control
The transmission schematics directly connect the electric drive motor and Power Inverter Module with the Hybrid/EV Powertrain Control Module.
- Trunk, Tailgate & Fuel Door
- Liftgate release circuits
- Warning Systems
- Driver warning circuits
- Audible and visual indicators
- Wiper / Washer
- Front wiper
- Washer
- Wiper motor and controls
- BCM interface
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