Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2025 Lexus RX 450h+FACTORY OEM SERVICE PROCEDURE
External Pages
These are pages that do not belong to the exact selected vehicle (2025 Lexus RX 450h+), but are still accessible from a link in your vehicle's manual. Be very cautious using repair info from here because these pages may not apply to your vehicle.
- Different car
- Section 1 (Engine Control System - Diagnostic Codes (9 Of 9) & Symptom Tests (1 Of 2))
- Section 2 (Engine Control System - Diagnostic Codes (1 Of 9))
- Section 3 (Engine Control System - Diagnostics - Introduction (1 Of 3))
- Section 4 (Hybrid Control System - Diagnostic Codes (1 Of 5))
- Section 5 (Engine Control System - Diagnostics - Introduction (2 Of 3))
- Section 6 (Engine Control System - Service Information)
- Section 7 (Engine Intake System - Inspection)
- Section 8 (Fuel System - Inspection)
- Section 9 (Fuel System - Service Information (1 Of 2))
- Section 10 (Engine Control System - Circuit Tests & Symptom Tests (2 Of 2))
- Section 11 (Engine Control System - Diagnostic Codes (5 Of 9))
- Section 12 (Engine Control System - Diagnostic Codes (6 Of 9))
- Section 13 (Engine Intake / Exhaust System - Service Information)
- Section 14 (Emission Control System - Service Information)
- Section 15 (Hybrid Control System - Diagnostics - Introduction (1 Of 2))
- Section 16 (Motor Generator Control System - Diagnostic Codes (1 Of 2))
- Section 17 (Hybrid Transaxle System (Pc60) - Service Information)
- Section 18 (Hybrid Control System - Diagnostic Codes (5 Of 5) & Circuit Tests)
- Section 19 (Hybrid Control System - Diagnostic Codes (4 Of 5))
- Section 20 (Hybrid Transaxle System (Pc60) - Diagnostic Codes (4 Of 4) & Circuit Tests)
- Section 21 (Electronically Controlled Brake System - Diagnostics - Introduction)
- Section 22 (Battery / Charging System - Diagnostic Codes & Symptom Tests)
- Section 23 (Battery / Charging System - Diagnostic Codes & Symptom Tests)
- Section 24 (Battery / Charging System - Diagnostic Codes & Symptom Tests)
- Section 25 (Hybrid Transaxle System / Rear Traction Motor (QA10) - Service Information)
- Section 26 (Engine Control System - Diagnostics - Introduction (1 Of 3))
- Section 27 (Engine Mechanical System - Service Information (2 Of 5))
- Section 28 (Engine Mechanical System - Service Information (3 Of 5))
- Section 29 (Engine Mechanical System - Service Information (4 Of 5))
- Section 30 (Engine Cooling System - Inspection)
- Section 31 (Engine Mechanical System - Service Information (5 Of 5))
- Section 32 (Engine Cooling System - Service Information)
- Section 33 (Can Communication System - Diagnostics - Introduction (4 Of 4))
- Section 34 (Can Communication System - Diagnostics - Introduction (1 Of 4))
- Section 35 (Engine Control System - Diagnostic Codes (10 Of 10), Symptom Tests (1 Of 2) & Circuit Tests (1 Of 2))
- Section 36 (Automatic Transaxle System - Diagnostics - Introduction)
- Section 37 (Electronic A/T Shift Lever System - Diagnostic Codes (2 Of 2) & Circuit Tests)
- Section 38 (Can Communication System - Circuit Tests (1 Of 3) & Diagnostic Codes)
- Section 39 (Engine Control System - Diagnostics - Introduction (2 Of 3))
- Section 40 (Engine Control System - Diagnostic Codes (2 Of 9))
- Section 41 (Engine Control System - Diagnostic Codes (3 Of 9))
- Section 42 (Engine Lubrication System - Service Information)
- Section 43 (Engine Mechanical System - Service Information (1 Of 5))
- Section 44 (Fuel System - Service Information (2 Of 2))
- Section 45 (Smart Access System (For Start) - Diagnostics - Introduction)
- Section 46 (Stop And Start System - Diagnostics - Introduction)
- Section 47 (Dynamic Torque Control AWD System - Diagnostics - Introduction)
- Section 48 (Hybrid Control System - Diagnostic Codes (1 Of 7))
- Section 49 (Automatic Transaxle System - Service Information (1 Of 2))
- Section 50 (Battery / Charging System - Diagnostics - Introduction)
- Section 51 (Hybrid Control System - Diagnostics - Introduction (1 Of 2))
- Section 52 (Hybrid Control System - Diagnostics - Introduction (2 Of 2))
- Section 53 (Battery / Charging System - Diagnostics - Introduction)
- Section 54 (Hybrid Control System - Diagnostics - Introduction (2 Of 2))
- Section 55 (Motor Generator Control System - Diagnostics - Introduction)
- Section 56 (Stop And Start System Cancel Switch Assembly - Service Information)
- Section 57 (Engine Control System - Diagnostic Codes (8 Of 9))
- Section 58 (Can Communication System - Diagnostics - Introduction (2 Of 4))
- Section 59 (Electronic A/T Shift Lever System - Diagnostics - Introduction)
- Section 60 (Electronically Controlled Brake System - Diagnostic Codes (2 Of 2), Symptom Tests & Circuit Tests)
- Section 61 (Electronically Controlled Brake System - Diagnostic Codes (1 Of 2))
- Section 62 (Stop And Start System - Circuit Tests & Symptom Tests)
- Section 63 (Can Communication System - Diagnostics - Introduction (3 Of 4))
- Section 64 (Rear Motor Generator Control System - Diagnostics - Introduction)
- Section 65 (Heating / Air Conditioning System - Diagnostics - Introduction)
- Section 66 (Electronic A/T Shift Lever System - Diagnostics - Introduction)
- Section 67 (Hybrid Transaxle System (Pc60) - Diagnostics - Introduction)
- Section 68 (Motor Generator Control System - Diagnostics - Introduction)
- Section 69 (Engine Control System - Diagnostics - Introduction (3 Of 3))
- Section 70 (Rear Motor Generator Control System - Diagnostic Codes (1 Of 2))
- Section 71 (Motor Generator Control System - Diagnostic Codes (2 Of 2))
- Section 72 (Smart Access System (For Start) - Symptom Tests)
- Section 73 (Engine Lubrication System - Inspection)
- Section 74 (Engine Lubrication System - Inspection)
- Section 75 (Ignition System - Inspection)
- Section 76 (Dynamic Torque Control AWD System - Diagnostic Codes, Circuit Tests & Symptom Tests)
- Section 77 (Transfer Case System - Service Information)
- Section 78 (Heating / Air Conditioning System - Diagnostic Codes (2 Of 2), Circuit Tests & Symptom Tests)
- Section 79 (Heating / Air Conditioning System - Diagnostic Codes (1 Of 2))
- Section 80 (Electronic A/T Shift Lever System - Diagnostic Codes & Circuit Tests)
- Section 81 (Automatic Transaxle System - Service Information (2 Of 2))
- Section 82 (Electric Parking Brake System - Diagnostics - Introduction)
- Section 83 (Hybrid Transaxle System (Pc60) - Diagnostic Codes (1 Of 4))
- Section 84 (Hybrid Transaxle System (Pc60) - Diagnostic Codes (2 Of 4))
- Section 85 (Heating / Air Conditioning System - Diagnostics - Introduction)
- Section 86 (Sub Battery System (W/ Advanced Park) - Diagnostic Codes)
- Section 87 (Engine Control System - Diagnostic Codes (06 Of 10))
- Section 88 (Engine Intake System - Inspection)
- Section 89 (Engine Control System - Diagnostic Codes (02 Of 10))
- Section 90 (Engine Control System - Diagnostic Codes (01 Of 10))
- Section 91 (Hybrid Control System - Diagnostic Codes (3 Of 7))
- Section 92 (Electric Parking Brake System - Diagnostic Codes, Symptom Tests & Circuit Tests)
- Section 93 (Hybrid Control System - Diagnostic Codes (7 Of 7) & Circuit Tests)
- Section 94 (Hybrid Transaxle System (Pc60) - Diagnostic Codes (3 Of 4))
- Section 95 (Heating / Air Conditioning System - Diagnostic Codes (1 Of 2))
- Section 96 (Stop And Start System - Diagnostic Codes)
- Section 97 (Stop And Start System - Service Information)
- Section 98 (Engine Control System - Circuit Tests (2 Of 2) & Symptom Tests (2 Of 2))
- Section 99 (Engine Control System - Diagnostic Codes (03 Of 10))
- Section 100 (Engine Control System - Diagnostic Codes (04 Of 10))
- Section 101 (Engine Control System - Diagnostic Codes (05 Of 10))
- Section 102 (Engine Control System - Diagnostic Codes (07 Of 10))
- Section 103 (Engine Control System - Diagnostic Codes (08 Of 10))
- Section 104 (Engine Control System - Diagnostic Codes (09 Of 10))
- Section 105 (Smart Access System (For Start) - Diagnostic Codes)
- Section 106 (Electronic A/T Shift Lever System - Diagnostic Codes (1 Of 2))
- Section 107 (Automatic Transaxle System - Diagnostic Codes (1 Of 3))
- Section 108 (Automatic Transaxle System - Diagnostic Codes (2 Of 3))
- Section 109 ( Automatic Transaxle System - Diagnostic Codes (3 Of 3) & Circuit Tests)
- Section 110 (Engine Starting System - Service Information)
- Section 111 (Hybrid Control System - Diagnostic Codes (5 Of 7))
- Section 112 (Hybrid Control System - Diagnostic Codes (4 Of 7))
- Section 113 (Motor Generator Control System - Diagnostic Codes (4 Of 5))
- Section 114 (Hybrid Control System - Diagnostic Codes (2 Of 7))
- Section 115 (Hybrid Control System - Diagnostic Codes (6 Of 7))
- Section 116 (Can Communication System - Circuit Tests (2 Of 3))
- Section 117 (Can Communication System - Circuit Tests (3 Of 3))
- Section 118 (Sub Battery System (W/ Advanced Park) - Diagnostics - Introduction)
- Section 119 (Battery / Charging System - Service Information)
- Section 120 (Engine Control System - Diagnostic Codes (4 Of 9))
- Section 121 (Engine Control System - Diagnostic Codes (7 Of 9))
- Section 122 (Battery / Charging System (Service Specifications))
- Section 123 (Emission Control System - Inspection)
- Section 124 (Cooling Fan System - Diagnostics & Circuit Tests)
- Section 125 (Hybrid Control System - Diagnostic Codes (2 Of 5))
- Section 126 (Engine Control System - Diagnostics - Introduction (3 Of 3))
- Section 127 (Battery / Charging System - Diagnostics - Introduction)
- Section 128 (Motor Generator Control System - Diagnostic Codes (5 Of 5))
- Section 129 (Motor Generator Control System - Diagnostic Codes (1 Of 5))
- Section 130 (Motor Generator Control System - Diagnostic Codes (3 Of 5))
- Section 131 (Motor Generator Control System - Diagnostic Codes (2 Of 5))
- Section 132 (Hybrid Control System - Diagnostic Codes (3 Of 5))
- Section 133 (Heating / Air Conditioning System - Diagnostic Codes (2 Of 2), Circuit Tests & Symptom Tests)
- Section 134 (Rear Motor Generator Control System - Diagnostic Codes (2 Of 2))
- Section 135 (Engine Mechanical System (Service Specifications))
- Section 136 (Engine Starting System (Service Specifications))
- Section 137 (Engine Cooling System (Service Specifications))
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
