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2020 Nissan Leaf Service and Repair Manual

2020 Nissan Leaf Service and Repair Manual

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Overview

This factory Service and Repair Manual for the 2020 Nissan LEAF provides comprehensive service information, factory repair procedures, diagnostic workflows, and maintenance specifications for all major vehicle systems.

Covering the ZE1-generation Nissan LEAF, this manual includes complete electric drivetrain diagnostics, lithium-ion battery servicing procedures, charging system diagnostics, reduction gear repairs, electrical troubleshooting, factory wiring diagrams, braking system repairs, HVAC servicing, and body repair procedures.

The 2020 model was available with both standard-range 40 kWh battery and LEAF PLUS 62 kWh battery configurations, featuring Nissan's advanced e-Pedal technology and available ProPILOT Assist driver support systems.

✓ Genuine factory workshop manual

✓ Complete EV powertrain and battery repair procedures

✓ Factory wiring diagrams and electrical diagnostics

✓ Covers LEAF and LEAF, PLUS models

✓ We review every manual to ensure it's genuine and safe for download
Category:

This 2020 Nissan LEAF Service and Repair Manual Covers

Engine & Drivetrain

  • EM57 AC synchronous electric motor
  • 40 kWh lithium-ion battery system
  • 62 kWh lithium-ion battery system (LEAF PLUS)
  • High-voltage battery diagnostics and repairs
  • Battery Management System (BMS) servicing
  • Inverter and converter diagnostics
  • On-board charger servicing
  • CHAdeMO DC fast charging system diagnostics
  • Regenerative braking system diagnostics
  • e-Pedal system diagnostics and repairs
  • Single-speed reduction gear servicing
  • Electric motor cooling system repairs

Chassis & Suspension

  • Front MacPherson strut suspension repairs
  • Rear torsion beam suspension servicing
  • Electric Power Steering (EPS) diagnostics
  • Steering system repairs and adjustments
  • Wheel alignment specifications
  • Wheel bearing inspection and replacement
  • Suspension component testing and repairs

Braking Systems

  • Intelligent Brake Control System diagnostics
  • Anti-lock Braking System (ABS) diagnostics
  • Electronic Brakeforce Distribution (EBD) diagnostics
  • Vehicle Dynamic Control (VDC) troubleshooting
  • Traction Control System (TCS) diagnostics
  • Regenerative braking system integration diagnostics
  • Electronic parking brake servicing

Electrical & Wiring

  • Complete factory wiring diagrams
  • High-voltage system safety procedures
  • CAN Bus communication diagnostics
  • EV control module diagnostics
  • Battery Management System (BMS) diagnostics
  • Charging port and charging circuit diagnostics
  • Nissan Intelligent Key system diagnostics
  • NissanConnect EV diagnostics
  • Instrument cluster troubleshooting
  • Body Control Module (BCM) diagnostics

Advanced Driver Assistance Systems

  • ProPILOT Assist diagnostics (where equipped)
  • Intelligent Emergency Braking system servicing
  • Intelligent Lane Intervention diagnostics
  • Blind Spot Warning system diagnostics
  • Rear Cross Traffic Alert diagnostics
  • Intelligent Around View Monitor diagnostics (where equipped)
  • Radar and camera calibration procedures

Air Conditioning & HVAC

  • Heat pump system diagnostics (where equipped)
  • Electric air conditioning compressor servicing
  • HVAC control module diagnostics
  • Refrigerant recovery and charging procedures
  • Heater and ventilation system repairs
  • Cabin climate control troubleshooting

Body & Interior

  • Interior trim removal and installation procedures
  • Door, tailgate, and lock system repairs
  • Power window and mirror diagnostics
  • Exterior body component replacement procedures
  • Seat and seatbelt repairs
  • Supplemental Restraint System (SRS) diagnostics
  • Occupant classification system diagnostics

Diagnostics & Troubleshooting

  • Nissan CONSULT diagnostic procedures
  • OBD-II and EV-specific diagnostic workflows
  • Diagnostic Trouble Code (DTC) troubleshooting
  • High-voltage isolation fault diagnostics
  • Battery health evaluation procedures
  • Sensor and actuator testing procedures
  • ECU and control module diagnostics
  • CAN network troubleshooting

Common Error Codes Covered

This manual provides diagnostic and repair procedures for common fault codes associated with the 2020 Nissan LEAF.

EV System Codes

  • P0AA6 — High Voltage System Isolation Fault
  • P0A80 — Replace Hybrid/EV Battery Pack
  • P3173 — EV System Power Limitation Fault
  • P31E8 — EV/HEV System Shutdown Request
  • P33E6 — Lithium-Ion Battery Controller Fault

Charging System Codes

  • P31C2 — On-Board Charger Malfunction
  • P317A — EVSE Charging System Fault
  • P31E7 — Quick Charging System Fault
  • P0D26 — Battery Charger Performance Fault

ABS & Chassis Codes

  • C1109 — Power Supply Voltage Fault
  • C1111 — ABS Actuator Malfunction
  • C1143 — Steering Angle Sensor Fault

ADAS & Safety Codes

  • C1A12 — Forward Emergency Braking System Fault
  • C1A16 — Radar Sensor Blocked
  • C1B00 — Lane Departure Warning System Fault
  • B00A0 — Occupant Classification System Fault

Network & Electrical Codes

  • U1000 — CAN Communication Line Fault
  • U1001 — CAN Communication Circuit Fault
  • U1002 — System Communication Fault
  • U1010 — Control Module Communication Error

And hundreds of additional fault codes, wiring diagrams, diagnostic procedures, battery service information, calibration procedures, and factory repair instructions specific to the 2020 Nissan LEAF.

Who Is This Manual For?

  • Professional automotive workshops
  • EV repair specialists
  • Independent repair garages
  • Fleet maintenance operators
  • Automotive technicians
  • Nissan owners performing advanced maintenance
  • Automotive training institutions

If you are troubleshooting, maintaining, servicing, or repairing a 2020 Nissan LEAF, this is the factory workshop manual you need.

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