Wiring Diagrams Lexus IS III facelift (2015-2020)

35 systems 148 wiring diagrams 1691 components
Contents — 35 systems, 148 diagrams

Air conditioning

# Automatic a/c circuit

# Automatic a/c circuit (1 of 4)

Components on the diagram

    # Automatic a/c circuit (2 of 4)

    Components on the diagram

      # Automatic a/c circuit (3 of 4)

      Components on the diagram

        # Automatic a/c circuit (4 of 4)

        Components on the diagram

          Anti-lock brakes

          # Anti-lock brakes circuit

          # Anti-lock brakes circuit (1 of 2)

          Components on the diagram

            # Anti-lock brakes circuit (2 of 2)

            Components on the diagram

              Anti-theft

              # Forced entry circuit

              # Forced entry circuit (1 of 7)

              Components on the diagram

                # Forced entry circuit (2 of 7)

                Components on the diagram

                  # Forced entry circuit (3 of 7)

                  Components on the diagram

                    # Forced entry circuit (4 of 7)

                    Components on the diagram

                      # Forced entry circuit (5 of 7)

                      Components on the diagram

                        # Forced entry circuit (6 of 7)

                        Components on the diagram

                          # Forced entry circuit (7 of 7)

                          Components on the diagram

                            # Immobilizer circuit

                            Components on the diagram

                              Body control modules

                              # Body ecu circuit

                              # Body ecu circuit (1 of 4)

                              Components on the diagram

                                # Body ecu circuit (2 of 4)

                                Components on the diagram

                                  # Body ecu circuit (3 of 4)

                                  Components on the diagram

                                    # Body ecu circuit (4 of 4)

                                    Components on the diagram

                                      # Semiconductor power integration ecu circuit

                                      Components on the diagram

                                        Computer data lines

                                        # Computer data lines circuit

                                        # Computer data lines circuit (1 of 4)

                                        Components on the diagram

                                          # Computer data lines circuit (2 of 4)

                                          Components on the diagram

                                            # Computer data lines circuit (3 of 4)

                                            Components on the diagram

                                              # Computer data lines circuit (4 of 4)

                                              Components on the diagram

                                                Cooling fan

                                                # Cooling fan circuit

                                                Components on the diagram

                                                  Cruise control

                                                  # Cruise control circuit

                                                  # Cruise control circuit (1 of 3)

                                                  Components on the diagram

                                                    # Cruise control circuit (2 of 3)

                                                    Components on the diagram

                                                      # Cruise control circuit (3 of 3)

                                                      Components on the diagram

                                                        Defoggers

                                                        # Front deicer circuit

                                                        Components on the diagram

                                                          # Rear defogger & heated mirrors circuit

                                                          Components on the diagram

                                                            Electronic power steering

                                                            # Electronic power steering circuit

                                                            Components on the diagram

                                                              # Power tilt steering column circuit

                                                              Components on the diagram

                                                                # Progressive power steering circuit

                                                                Components on the diagram

                                                                  Electronic suspension

                                                                  # Electronic suspension circuit

                                                                  Components on the diagram

                                                                    Engine performance 2.0l turbo

                                                                    # Wiring diagram engine performance 2.0l turbo

                                                                    # Wiring diagram engine performance 2.0l turbo (1 of 9)

                                                                    Components on the diagram

                                                                      # Wiring diagram engine performance 2.0l turbo (2 of 9)

                                                                      Components on the diagram

                                                                        # Wiring diagram engine performance 2.0l turbo (3 of 9)

                                                                        Components on the diagram

                                                                          # Wiring diagram engine performance 2.0l turbo (4 of 9)

                                                                          Components on the diagram

                                                                            # Wiring diagram engine performance 2.0l turbo (5 of 9)

                                                                            Components on the diagram

                                                                              # Wiring diagram engine performance 2.0l turbo (6 of 9)

                                                                              Components on the diagram

                                                                                # Wiring diagram engine performance 2.0l turbo (7 of 9)

                                                                                Components on the diagram

                                                                                  # Wiring diagram engine performance 2.0l turbo (8 of 9)

                                                                                  Components on the diagram

                                                                                    # Wiring diagram engine performance 2.0l turbo (9 of 9)

                                                                                    Components on the diagram

                                                                                      Engine performance 3.5l

                                                                                      # Wiring diagram engine performance 3.5l

                                                                                      # Wiring diagram engine performance 3.5l (1 of 10)

                                                                                      Components on the diagram

                                                                                        # Wiring diagram engine performance 3.5l (2 of 10)

                                                                                        Components on the diagram

                                                                                          # Wiring diagram engine performance 3.5l (3 of 10)

                                                                                          Components on the diagram

                                                                                            # Wiring diagram engine performance 3.5l (4 of 10)

                                                                                            Components on the diagram

                                                                                              # Wiring diagram engine performance 3.5l (5 of 10)

                                                                                              Components on the diagram

                                                                                                # Wiring diagram engine performance 3.5l (6 of 10)

                                                                                                Components on the diagram

                                                                                                  # Wiring diagram engine performance 3.5l (7 of 10)

                                                                                                  Components on the diagram

                                                                                                    # Wiring diagram engine performance 3.5l (8 of 10)

                                                                                                    Components on the diagram

                                                                                                      # Wiring diagram engine performance 3.5l (9 of 10)

                                                                                                      Components on the diagram

                                                                                                        # Wiring diagram engine performance 3.5l (10 of 10)

                                                                                                        Components on the diagram

                                                                                                          Exterior lights

                                                                                                          # Backup lamps circuit

                                                                                                          Components on the diagram

                                                                                                            # Exterior lamps circuit

                                                                                                            # Exterior lamps circuit (1 of 4)

                                                                                                            Components on the diagram

                                                                                                              # Exterior lamps circuit (2 of 4)

                                                                                                              Components on the diagram

                                                                                                                # Exterior lamps circuit (3 of 4)

                                                                                                                Components on the diagram

                                                                                                                  # Exterior lamps circuit (4 of 4)

                                                                                                                  Components on the diagram

                                                                                                                    Ground distribution

                                                                                                                    # Ground distribution circuit

                                                                                                                    # Ground distribution circuit (1 of 6)

                                                                                                                    Components on the diagram

                                                                                                                      # Ground distribution circuit (2 of 6)

                                                                                                                      Components on the diagram

                                                                                                                        # Ground distribution circuit (3 of 6)

                                                                                                                        Components on the diagram

                                                                                                                          # Ground distribution circuit (4 of 6)

                                                                                                                          Components on the diagram

                                                                                                                            # Ground distribution circuit (5 of 6)

                                                                                                                            Components on the diagram

                                                                                                                              # Ground distribution circuit (6 of 6)

                                                                                                                              Components on the diagram

                                                                                                                                Headlights

                                                                                                                                # Headlamps circuit, w/ adaptive headlamps

                                                                                                                                # Headlamps circuit, w/ adaptive headlamps (1 of 2)

                                                                                                                                Components on the diagram

                                                                                                                                  # Headlamps circuit, w/ adaptive headlamps (2 of 2)

                                                                                                                                  Components on the diagram

                                                                                                                                    # Headlamps circuit, w/o adaptive headlamps

                                                                                                                                    # Headlamps circuit, w/o adaptive headlamps (1 of 3)

                                                                                                                                    Components on the diagram

                                                                                                                                      # Headlamps circuit, w/o adaptive headlamps (2 of 3)

                                                                                                                                      Components on the diagram

                                                                                                                                        # Headlamps circuit, w/o adaptive headlamps (3 of 3)

                                                                                                                                        Components on the diagram

                                                                                                                                          # Headlamps leveling circuit

                                                                                                                                          Components on the diagram

                                                                                                                                            Horn

                                                                                                                                            # Horn circuit

                                                                                                                                            Components on the diagram

                                                                                                                                              Instrument cluster

                                                                                                                                              # Instrument cluster circuit

                                                                                                                                              # Instrument cluster circuit (1 of 2)

                                                                                                                                              Components on the diagram

                                                                                                                                                # Instrument cluster circuit (2 of 2)

                                                                                                                                                Components on the diagram

                                                                                                                                                  Interior lights

                                                                                                                                                  # Courtesy lamps circuit

                                                                                                                                                  # Courtesy lamps circuit (1 of 3)

                                                                                                                                                  Components on the diagram

                                                                                                                                                    # Courtesy lamps circuit (2 of 3)

                                                                                                                                                    Components on the diagram

                                                                                                                                                      # Courtesy lamps circuit (3 of 3)

                                                                                                                                                      Components on the diagram

                                                                                                                                                        # Instrument illumination circuit

                                                                                                                                                        # Instrument illumination circuit (1 of 4)

                                                                                                                                                        Components on the diagram

                                                                                                                                                          # Instrument illumination circuit (2 of 4)

                                                                                                                                                          Components on the diagram

                                                                                                                                                            # Instrument illumination circuit (3 of 4)

                                                                                                                                                            Components on the diagram

                                                                                                                                                              # Instrument illumination circuit (4 of 4)

                                                                                                                                                              Components on the diagram

                                                                                                                                                                Memory systems

                                                                                                                                                                # Driver"s memory seat circuit

                                                                                                                                                                # Driver"s memory seat circuit (1 of 2)

                                                                                                                                                                Components on the diagram

                                                                                                                                                                  # Driver"s memory seat circuit (2 of 2)

                                                                                                                                                                  Components on the diagram

                                                                                                                                                                    # Memory mirrors circuit

                                                                                                                                                                    Components on the diagram

                                                                                                                                                                      # Memory power tilt & power telescopic circuit

                                                                                                                                                                      Components on the diagram

                                                                                                                                                                        Navigation

                                                                                                                                                                        # Blind spot monitoring circuit

                                                                                                                                                                        Components on the diagram

                                                                                                                                                                          # Lane departure warning circuit

                                                                                                                                                                          Components on the diagram

                                                                                                                                                                            # Rear sonar circuit

                                                                                                                                                                            # Rear sonar circuit (1 of 2)

                                                                                                                                                                            Components on the diagram

                                                                                                                                                                              # Rear sonar circuit (2 of 2)

                                                                                                                                                                              Components on the diagram

                                                                                                                                                                                # Telematics circuit

                                                                                                                                                                                Components on the diagram

                                                                                                                                                                                  Passive restraints

                                                                                                                                                                                  # Passive restraints circuit

                                                                                                                                                                                  Components on the diagram

                                                                                                                                                                                    Power distribution

                                                                                                                                                                                    # Power distribution circuit

                                                                                                                                                                                    # Power distribution circuit (1 of 4)

                                                                                                                                                                                    Components on the diagram

                                                                                                                                                                                      # Power distribution circuit (2 of 4)

                                                                                                                                                                                      Components on the diagram

                                                                                                                                                                                        # Power distribution circuit (3 of 4)

                                                                                                                                                                                        Components on the diagram

                                                                                                                                                                                          # Power distribution circuit (4 of 4)

                                                                                                                                                                                          Components on the diagram

                                                                                                                                                                                            Power door locks

                                                                                                                                                                                            # Power door locks circuit

                                                                                                                                                                                            # Power door locks circuit (1 of 7)

                                                                                                                                                                                            Components on the diagram

                                                                                                                                                                                              # Power door locks circuit (2 of 7)

                                                                                                                                                                                              Components on the diagram

                                                                                                                                                                                                # Power door locks circuit (3 of 7)

                                                                                                                                                                                                Components on the diagram

                                                                                                                                                                                                  # Power door locks circuit (4 of 7)

                                                                                                                                                                                                  Components on the diagram

                                                                                                                                                                                                    # Power door locks circuit (5 of 7)

                                                                                                                                                                                                    Components on the diagram

                                                                                                                                                                                                      # Power door locks circuit (6 of 7)

                                                                                                                                                                                                      Components on the diagram

                                                                                                                                                                                                        # Power door locks circuit (7 of 7)

                                                                                                                                                                                                        Components on the diagram

                                                                                                                                                                                                          Power mirrors

                                                                                                                                                                                                          # Electrochromic mirror circuit

                                                                                                                                                                                                          Components on the diagram

                                                                                                                                                                                                            # Power mirrors circuit

                                                                                                                                                                                                            Components on the diagram

                                                                                                                                                                                                              Power seats

                                                                                                                                                                                                              # Climate control seats circuit

                                                                                                                                                                                                              Components on the diagram

                                                                                                                                                                                                                # Driver power seat circuit

                                                                                                                                                                                                                Components on the diagram

                                                                                                                                                                                                                  # Heated seats circuit

                                                                                                                                                                                                                  Components on the diagram

                                                                                                                                                                                                                    # Heated steering wheel circuit

                                                                                                                                                                                                                    Components on the diagram

                                                                                                                                                                                                                      # Passenger power seat circuit

                                                                                                                                                                                                                      Components on the diagram

                                                                                                                                                                                                                        Power top/sunroof

                                                                                                                                                                                                                        # Power top/sunroof circuit

                                                                                                                                                                                                                        Components on the diagram

                                                                                                                                                                                                                          Power windows

                                                                                                                                                                                                                          # Power windows circuit

                                                                                                                                                                                                                          # Power windows circuit (1 of 2)

                                                                                                                                                                                                                          Components on the diagram

                                                                                                                                                                                                                            # Power windows circuit (2 of 2)

                                                                                                                                                                                                                            Components on the diagram

                                                                                                                                                                                                                              # Rear window sun shade circuit

                                                                                                                                                                                                                              Components on the diagram

                                                                                                                                                                                                                                Radio

                                                                                                                                                                                                                                # Active sound control circuit

                                                                                                                                                                                                                                Components on the diagram

                                                                                                                                                                                                                                  # Radio circuit, w/ navigation

                                                                                                                                                                                                                                  # Radio circuit, w/ navigation (1 of 6)

                                                                                                                                                                                                                                  Components on the diagram

                                                                                                                                                                                                                                    # Radio circuit, w/ navigation (2 of 6)

                                                                                                                                                                                                                                    Components on the diagram

                                                                                                                                                                                                                                      # Radio circuit, w/ navigation (3 of 6)

                                                                                                                                                                                                                                      Components on the diagram

                                                                                                                                                                                                                                        # Radio circuit, w/ navigation (4 of 6)

                                                                                                                                                                                                                                        Components on the diagram

                                                                                                                                                                                                                                          # Radio circuit, w/ navigation (5 of 6)

                                                                                                                                                                                                                                          Components on the diagram

                                                                                                                                                                                                                                            # Radio circuit, w/ navigation (6 of 6)

                                                                                                                                                                                                                                            Components on the diagram

                                                                                                                                                                                                                                              # Radio circuit, w/o navigation

                                                                                                                                                                                                                                              # Radio circuit, w/o navigation (1 of 5)

                                                                                                                                                                                                                                              Components on the diagram

                                                                                                                                                                                                                                                # Radio circuit, w/o navigation (2 of 5)

                                                                                                                                                                                                                                                Components on the diagram

                                                                                                                                                                                                                                                  # Radio circuit, w/o navigation (3 of 5)

                                                                                                                                                                                                                                                  Components on the diagram

                                                                                                                                                                                                                                                    # Radio circuit, w/o navigation (4 of 5)

                                                                                                                                                                                                                                                    Components on the diagram

                                                                                                                                                                                                                                                      # Radio circuit, w/o navigation (5 of 5)

                                                                                                                                                                                                                                                      Components on the diagram

                                                                                                                                                                                                                                                        Shift interlock

                                                                                                                                                                                                                                                        # Shift interlock circuit

                                                                                                                                                                                                                                                        Components on the diagram

                                                                                                                                                                                                                                                          # Steering column circuit

                                                                                                                                                                                                                                                          Components on the diagram

                                                                                                                                                                                                                                                            Starting/charging

                                                                                                                                                                                                                                                            # Charging circuit

                                                                                                                                                                                                                                                            Components on the diagram

                                                                                                                                                                                                                                                              # Starting circuit

                                                                                                                                                                                                                                                              Components on the diagram

                                                                                                                                                                                                                                                                Supplemental restraints

                                                                                                                                                                                                                                                                # Supplemental restraints circuit

                                                                                                                                                                                                                                                                # Supplemental restraints circuit (1 of 3)

                                                                                                                                                                                                                                                                Components on the diagram

                                                                                                                                                                                                                                                                  # Supplemental restraints circuit (2 of 3)

                                                                                                                                                                                                                                                                  Components on the diagram

                                                                                                                                                                                                                                                                    # Supplemental restraints circuit (3 of 3)

                                                                                                                                                                                                                                                                    Components on the diagram

                                                                                                                                                                                                                                                                      Transmission

                                                                                                                                                                                                                                                                      # 4wd circuit

                                                                                                                                                                                                                                                                      Components on the diagram

                                                                                                                                                                                                                                                                        # A/t circuit

                                                                                                                                                                                                                                                                        # A/t circuit (1 of 3)

                                                                                                                                                                                                                                                                        Components on the diagram

                                                                                                                                                                                                                                                                          # A/t circuit (2 of 3)

                                                                                                                                                                                                                                                                          Components on the diagram

                                                                                                                                                                                                                                                                            # A/t circuit (3 of 3)

                                                                                                                                                                                                                                                                            Components on the diagram

                                                                                                                                                                                                                                                                              # Transmission circuit

                                                                                                                                                                                                                                                                              # Transmission circuit (1 of 3)

                                                                                                                                                                                                                                                                              Components on the diagram

                                                                                                                                                                                                                                                                                # Transmission circuit (2 of 3)

                                                                                                                                                                                                                                                                                Components on the diagram

                                                                                                                                                                                                                                                                                  # Transmission circuit (3 of 3)

                                                                                                                                                                                                                                                                                  Components on the diagram

                                                                                                                                                                                                                                                                                    Trunk, tailgate, fuel door

                                                                                                                                                                                                                                                                                    # Trunk & fuel door release circuit

                                                                                                                                                                                                                                                                                    Components on the diagram

                                                                                                                                                                                                                                                                                      Warning systems

                                                                                                                                                                                                                                                                                      # Seat belt warning circuit

                                                                                                                                                                                                                                                                                      Components on the diagram

                                                                                                                                                                                                                                                                                        # Tire pressure monitoring circuit

                                                                                                                                                                                                                                                                                        Components on the diagram

                                                                                                                                                                                                                                                                                          Wiper/washer

                                                                                                                                                                                                                                                                                          # Front wiper/washer circuit

                                                                                                                                                                                                                                                                                          Components on the diagram

                                                                                                                                                                                                                                                                                            # Headlamp washer circuit

                                                                                                                                                                                                                                                                                            Components on the diagram