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.
2023 Lexus RX 350h BaseFACTORY OEM SERVICE PROCEDURE
External Pages
These are pages that do not belong to the exact selected vehicle (2023 Lexus RX 350h Base), 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 (Plug-In Charge Control System - Diagnostics - Introduction)
- Section 51 (Battery / Charging System - Diagnostics - Introduction)
- Section 52 (Hybrid Control System - Diagnostics - Introduction (2 Of 2))
- Section 53 (Hybrid Control System - Diagnostics - Introduction (1 Of 2))
- Section 54 (Stop And Start System Cancel Switch Assembly - Service Information)
- Section 55 (Engine Control System - Diagnostic Codes (8 Of 9))
- Section 56 (Can Communication System - Diagnostics - Introduction (2 Of 4))
- Section 57 (Electronic A/T Shift Lever System - Diagnostics - Introduction)
- Section 58 (Electronically Controlled Brake System - Diagnostic Codes (2 Of 2), Symptom Tests & Circuit Tests)
- Section 59 (Electronically Controlled Brake System - Diagnostic Codes (1 Of 2))
- Section 60 (Stop And Start System - Circuit Tests & Symptom Tests)
- Section 61 (Hybrid Control System - Diagnostic Codes (3 Of 7))
- Section 62 (Hybrid Battery System - Diagnostics - Introduction (2 Of 2))
- Section 63 (Motor Generator Control System - Diagnostics - Introduction (2 Of 2))
- Section 64 (Hybrid Control System - Diagnostic Codes (4 Of 7))
- Section 65 (Hybrid Control System - Circuit Tests (2 Of 2))
- Section 66 (Hybrid Control System - Diagnostic Codes (2 Of 7))
- Section 67 (Hybrid Battery System - Diagnostic Codes (5 Of 5), Symptom Tests & Circuit Tests)
- Section 68 (Hybrid Battery System - Diagnostics - Introduction (1 Of 2))
- Section 69 (Hybrid Control System - Diagnostics - Introduction (2 Of 2))
- Section 70 (Hybrid Control System - Diagnostic Codes (5 Of 7))
- Section 71 (Hybrid Control System - Diagnostic Codes (7 Of 7) & Circuit Tests (1 Of 2))
- Section 72 (Hybrid Battery System - Diagnostic Codes (1 Of 5))
- Section 73 (Can Communication System - Diagnostics - Introduction (3 Of 4))
- Section 74 (Rear Motor Generator Control System - Diagnostics - Introduction)
- Section 75 (Electronic A/T Shift Lever System - Diagnostics - Introduction)
- Section 76 (Hybrid Transaxle System (Pc60) - Diagnostics - Introduction)
- Section 77 (Motor Generator Control System - Diagnostics - Introduction)
- Section 78 (Engine Control System - Diagnostics - Introduction (3 Of 3))
- Section 79 (Rear Motor Generator Control System - Diagnostic Codes (1 Of 2))
- Section 80 (Motor Generator Control System - Diagnostic Codes (2 Of 2))
- Section 81 (Smart Access System (For Start) - Symptom Tests)
- Section 82 (Engine Lubrication System - Inspection)
- Section 83 (Engine Lubrication System - Inspection)
- Section 84 (Ignition System - Inspection)
- Section 85 (Dynamic Torque Control AWD System - Diagnostic Codes, Circuit Tests & Symptom Tests)
- Section 86 (Transfer Case System - Service Information)
- Section 87 (Electronic A/T Shift Lever System - Diagnostic Codes & Circuit Tests)
- Section 88 (Heating / Air Conditioning System - Diagnostics - Introduction)
- Section 89 (Automatic Transaxle System - Service Information (2 Of 2))
- Section 90 (Heating / Air Conditioning System - Diagnostic Codes (2 Of 3))
- Section 91 (Heating / Air Conditioning System - Diagnostic Codes (1 Of 3))
- Section 92 (Hybrid Battery System - Diagnostic Codes (4 Of 5))
- Section 93 (Heating / Air Conditioning System - Diagnostic Codes (3 Of 3), Circuit Tests & Symptom Tests)
- Section 94 (Electric Parking Brake System - Diagnostics - Introduction)
- Section 95 (Hybrid Transaxle System (Pc60) - Diagnostic Codes (1 Of 4))
- Section 96 (Hybrid Transaxle System (Pc60) - Diagnostic Codes (2 Of 4))
- Section 97 (Heating / Air Conditioning System - Diagnostics - Introduction)
- Section 98 (Sub Battery System (W/ Advanced Park) - Diagnostic Codes)
- Section 99 (Engine Control System - Diagnostic Codes (06 Of 10))
- Section 100 (Engine Intake System - Inspection)
- Section 101 (Engine Control System - Diagnostic Codes (02 Of 10))
- Section 102 (Engine Control System - Diagnostic Codes (01 Of 10))
- Section 103 (Motor Generator Control System - Diagnostic Codes (2 Of 5))
- Section 104 (Motor Generator Control System - Diagnostic Codes (4 Of 5))
- Section 105 (Motor Generator Control System - Diagnostics - Introduction (1 Of 2))
- Section 106 (Motor Generator Control System - Diagnostic Codes (5 Of 5))
- Section 107 (Motor Generator Control System - Diagnostic Codes (1 Of 5))
- Section 108 (Electric Parking Brake System - Diagnostic Codes, Symptom Tests & Circuit Tests)
- Section 109 (Hybrid Battery System - Diagnostic Codes (2 Of 5))
- Section 110 (Hybrid Battery System - Diagnostic Codes (3 Of 5))
- Section 111 (Hybrid Transaxle System (Pc60) - Diagnostic Codes (3 Of 4))
- Section 112 (Heating / Air Conditioning System - Diagnostic Codes (1 Of 2))
- Section 113 (Stop And Start System - Diagnostic Codes)
- Section 114 (Stop And Start System - Service Information)
- Section 115 (Engine Control System - Circuit Tests (2 Of 2) & Symptom Tests (2 Of 2))
- Section 116 (Engine Control System - Diagnostic Codes (03 Of 10))
- Section 117 (Engine Control System - Diagnostic Codes (04 Of 10))
- Section 118 (Engine Control System - Diagnostic Codes (05 Of 10))
- Section 119 (Engine Control System - Diagnostic Codes (07 Of 10))
- Section 120 (Engine Control System - Diagnostic Codes (08 Of 10))
- Section 121 (Engine Control System - Diagnostic Codes (09 Of 10))
- Section 122 (Smart Access System (For Start) - Diagnostic Codes)
- Section 123 (Electronic A/T Shift Lever System - Diagnostic Codes (1 Of 2))
- Section 124 (Automatic Transaxle System - Diagnostic Codes (1 Of 3))
- Section 125 (Automatic Transaxle System - Diagnostic Codes (2 Of 3))
- Section 126 ( Automatic Transaxle System - Diagnostic Codes (3 Of 3) & Circuit Tests)
- Section 127 (Engine Starting System - Service Information)
- Section 128 (Can Communication System - Circuit Tests (2 Of 3))
- Section 129 (Can Communication System - Circuit Tests (3 Of 3))
- Section 130 (Sub Battery System (W/ Advanced Park) - Diagnostics - Introduction)
- Section 131 (Battery / Charging System - Service Information)
- Section 132 (Engine Control System - Diagnostic Codes (4 Of 9))
- Section 133 (Engine Control System - Diagnostic Codes (7 Of 9))
- Section 134 (Battery / Charging System (Service Specifications))
- Section 135 (Emission Control System - Inspection)
- Section 136 (Battery / Charging System - Diagnostics - Introduction)
- Section 137 (Cooling Fan System - Diagnostics & Circuit Tests)
- Section 138 (Plug-In Charge Control System - Diagnostic Codes (1 Of 3))
- Section 139 (Hybrid Control System - Diagnostic Codes (6 Of 7))
- Section 140 (Hybrid Control System - Diagnostic Codes (2 Of 5))
- Section 141 (Engine Control System - Diagnostics - Introduction (3 Of 3))
- Section 142 (Battery / Charging System - Diagnostics - Introduction)
- Section 143 (Plug-In Charge Control System - Diagnostic Codes (2 Of 3))
- Section 144 (Plug-In Charge Control System - Diagnostic Codes (3 Of 3), Symptom Tests & Circuit Tests)
- Section 145 (Hybrid Control System - Diagnostic Codes (3 Of 5))
- Section 146 (Heating / Air Conditioning System - Diagnostic Codes (2 Of 2), Circuit Tests & Symptom Tests)
- Section 147 (Rear Motor Generator Control System - Diagnostic Codes (2 Of 2))
- Section 148 (Engine Mechanical System (Service Specifications))
- Section 149 (Motor Generator Control System - Diagnostic Codes (3 Of 5))
- Section 150 (Engine Starting System (Service Specifications))
- Section 151 (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.
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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.
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