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 500hFACTORY OEM SERVICE PROCEDURE
External Pages
These are pages that do not belong to the exact selected vehicle (2023 Lexus RX 500h), 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 (Electronically Controlled Brake System - Diagnostics - Introduction)
- Section 2 (Battery / Charging System - Diagnostic Codes & Symptom Tests)
- Section 3 (Battery / Charging System - Diagnostic Codes & Symptom Tests)
- Section 4 (Battery / Charging System - Diagnostic Codes & Symptom Tests)
- Section 5 (Hybrid Transaxle System (P810) - Service Information (2 Of 2))
- Section 6 (Engine Control System - Service Information)
- Section 7 (Engine Control System - Diagnostics - Introduction (1 Of 3))
- Section 8 (Can Communication System - Diagnostics - Introduction (4 Of 4))
- Section 9 (Can Communication System - Diagnostics - Introduction (1 Of 4))
- Section 10 (Engine Control System - Diagnostic Codes (10 Of 10), Symptom Tests (1 Of 2) & Circuit Tests (1 Of 2))
- Section 11 (Automatic Transaxle System - Diagnostics - Introduction)
- Section 12 (Electronic A/T Shift Lever System - Diagnostic Codes (2 Of 2) & Circuit Tests)
- Section 13 (Can Communication System - Circuit Tests (1 Of 3) & Diagnostic Codes)
- Section 14 (Engine Control System - Diagnostics - Introduction (2 Of 3))
- Section 15 (Smart Access System (For Start) - Diagnostics - Introduction)
- Section 16 (Stop And Start System - Diagnostics - Introduction)
- Section 17 (Dynamic Torque Control AWD System - Diagnostics - Introduction)
- Section 18 (Engine Control System - Diagnostic Codes (P0195-P0335))
- Section 19 (Engine Control System - Diagnostic Codes (P0171-P0195))
- Section 20 (Engine Control System - Diagnostics - Introduction (1 Of 3))
- Section 21 (Hybrid Control System - Diagnostic Codes (1 Of 7))
- Section 22 (Engine Lubrication System - Service Information)
- Section 23 (Hybrid Control System - Diagnostic Codes (1 Of 7))
- Section 24 (Fuel System - Service Information (1 Of 2))
- Section 25 (Engine Control System - Diagnostic Codes (P0115-P0136))
- Section 26 (Engine Control System - Diagnostic Codes (P0087-P0110))
- Section 27 (Emission Control System - Service Information)
- Section 28 (Fuel System - Inspection)
- Section 29 (Engine Control System - Circuit Tests (2 Of 2) & Symptom Tests)
- Section 30 (Ignition System - Inspection)
- Section 31 (Engine Mechanical System - Service Information (1 Of 4))
- Section 32 (Engine Intake System - Inspection)
- Section 33 (Engine Mechanical System - Service Information (3 Of 4))
- Section 34 (Engine Mechanical System - Service Information (2 Of 4))
- Section 35 (Automatic Transaxle System - Service Information (1 Of 2))
- Section 36 (Plug-In Charge Control System - Diagnostics - Introduction)
- Section 37 (Battery / Charging System - Diagnostics - Introduction)
- Section 38 (Hybrid Control System - Diagnostics - Introduction (1 Of 2))
- Section 39 (Hybrid Control System - Diagnostics - Introduction (2 Of 2))
- Section 40 (Engine Cooling System - Inspection)
- Section 41 (Engine Lubrication System - Inspection)
- Section 42 (Fuel System - Service Information (2 Of 2))
- Section 43 (Motor Generator Control System - Diagnostics - Introduction)
- Section 44 (Engine Intake / Exhaust System - Service Information)
- Section 45 (Engine Mechanical System - Service Information (4 Of 4))
- Section 46 (Hybrid Control System - Diagnostics - Introduction (1 Of 2))
- Section 47 (Stop And Start System Cancel Switch Assembly - Service Information)
- Section 48 (Can Communication System - Diagnostics - Introduction (2 Of 4))
- Section 49 (Electronic A/T Shift Lever System - Diagnostics - Introduction)
- Section 50 (Electronic A/T Shift Lever System - Diagnostics - Introduction)
- Section 51 (Electronically Controlled Brake System - Diagnostic Codes (2 Of 2), Symptom Tests & Circuit Tests)
- Section 52 (Electronically Controlled Brake System - Diagnostic Codes (1 Of 2))
- Section 53 (Stop And Start System - Circuit Tests & Symptom Tests)
- Section 54 (Hybrid Control System - Diagnostic Codes (3 Of 7))
- Section 55 (Hybrid Battery System - Diagnostics - Introduction (2 Of 2))
- Section 56 (Motor Generator Control System - Diagnostics - Introduction (2 Of 2))
- Section 57 (Hybrid Transaxle System (P810) - Service Information (1 Of 2))
- Section 58 (Hybrid Transaxle System / Rear Traction Motor (Q610) - Service Information)
- Section 59 (Hybrid Control System - Diagnostic Codes (4 Of 7))
- Section 60 (Hybrid Control System - Circuit Tests (2 Of 2))
- Section 61 (Hybrid Control System - Diagnostic Codes (2 Of 7))
- Section 62 (Hybrid Battery System - Diagnostic Codes (5 Of 5), Symptom Tests & Circuit Tests)
- Section 63 (Hybrid Battery System - Diagnostics - Introduction (1 Of 2))
- Section 64 (Hybrid Control System - Diagnostics - Introduction (2 Of 2))
- Section 65 (Hybrid Control System - Diagnostic Codes (5 Of 7))
- Section 66 (Hybrid Control System - Diagnostic Codes (7 Of 7) & Circuit Tests (1 Of 2))
- Section 67 (Hybrid Battery System - Diagnostic Codes (1 Of 5))
- Section 68 (Can Communication System - Diagnostics - Introduction (3 Of 4))
- Section 69 (Engine Control System - Diagnostic Codes (P0420-P0450))
- Section 70 (Engine Control System - Diagnostics - Introduction (2 Of 3))
- Section 71 (Engine Control System - Diagnostic Codes (P2A00-U1154) & Circuit Tests (1 Of 2))
- Section 72 (Smart Access System (For Start) - Symptom Tests)
- Section 73 (Engine Lubrication System - Inspection)
- Section 74 (Engine Cooling System - Service Information)
- Section 75 (Dynamic Torque Control AWD System - Diagnostic Codes, Circuit Tests & Symptom Tests)
- Section 76 (Transfer Case System - Service Information)
- Section 77 (Battery System - Service Information)
- Section 78 (Electronic A/T Shift Lever System - Diagnostic Codes & Circuit Tests)
- Section 79 (Engine Control System - Diagnostics - Introduction (3 Of 3))
- Section 80 (Heating / Air Conditioning System - Diagnostics - Introduction)
- Section 81 (Automatic Transaxle System - Service Information (2 Of 2))
- Section 82 (Heating / Air Conditioning System - Diagnostic Codes (2 Of 3))
- Section 83 (Heating / Air Conditioning System - Diagnostic Codes (1 Of 3))
- Section 84 (Hybrid Battery System - Diagnostic Codes (4 Of 5))
- Section 85 (Heating / Air Conditioning System - Diagnostic Codes (3 Of 3), Circuit Tests & Symptom Tests)
- Section 86 (Electric Parking Brake System - Diagnostics - Introduction)
- Section 87 (Heating / Air Conditioning System - Diagnostics - Introduction)
- Section 88 (Sub Battery System (W/ Advanced Park) - Diagnostic Codes)
- Section 89 (Engine Control System - Diagnostic Codes (06 Of 10))
- Section 90 (Engine Intake System - Inspection)
- Section 91 (Engine Control System - Diagnostic Codes (02 Of 10))
- Section 92 (Engine Control System - Diagnostic Codes (01 Of 10))
- Section 93 (Hybrid Control System - Diagnostic Codes (3 Of 7))
- Section 94 (Motor Generator Control System - Diagnostic Codes (2 Of 5))
- Section 95 (Motor Generator Control System - Diagnostic Codes (4 Of 5))
- Section 96 (Motor Generator Control System - Diagnostics - Introduction (1 Of 2))
- Section 97 (Motor Generator Control System - Diagnostic Codes (5 Of 5))
- Section 98 (Motor Generator Control System - Diagnostic Codes (1 Of 5))
- Section 99 (Electric Parking Brake System - Diagnostic Codes, Symptom Tests & Circuit Tests)
- Section 100 (Engine Control System - Diagnostic Codes (P0010-P0087))
- Section 101 (Engine Control System - Diagnostic Codes (P0335-P0420))
- Section 102 (Engine Control System - Diagnostic Codes (P0136-P014C))
- Section 103 (Engine Control System - Diagnostic Codes (P15AD-P2237))
- Section 104 (Engine Control System - Diagnostic Codes (P2270-P26CE))
- Section 105 (Engine Control System - Diagnostic Codes (P06AB-P12D0))
- Section 106 (Hybrid Control System - Diagnostic Codes (7 Of 7) & Circuit Tests)
- Section 107 (Hybrid Battery System - Diagnostic Codes (2 Of 5))
- Section 108 (Hybrid Battery System - Diagnostic Codes (3 Of 5))
- Section 109 (Heating / Air Conditioning System - Diagnostic Codes (1 Of 2))
- Section 110 (Stop And Start System - Diagnostic Codes)
- Section 111 (Stop And Start System - Service Information)
- Section 112 (Engine Control System - Circuit Tests (2 Of 2) & Symptom Tests (2 Of 2))
- Section 113 (Engine Control System - Diagnostic Codes (P0450-P050B))
- Section 114 (Engine Control System - Diagnostic Codes (P12D0-P14CE))
- Section 115 (Engine Control System - Diagnostic Codes (03 Of 10))
- Section 116 (Engine Control System - Diagnostic Codes (04 Of 10))
- Section 117 (Engine Control System - Diagnostic Codes (05 Of 10))
- Section 118 (Engine Control System - Diagnostic Codes (07 Of 10))
- Section 119 (Engine Control System - Diagnostic Codes (08 Of 10))
- Section 120 (Engine Control System - Diagnostic Codes (09 Of 10))
- Section 121 (Smart Access System (For Start) - Diagnostic Codes)
- Section 122 (Electronic A/T Shift Lever System - Diagnostic Codes (1 Of 2))
- Section 123 (Automatic Transaxle System - Diagnostic Codes (1 Of 3))
- Section 124 (Automatic Transaxle System - Diagnostic Codes (2 Of 3))
- Section 125 ( Automatic Transaxle System - Diagnostic Codes (3 Of 3) & Circuit Tests)
- Section 126 (Power Switch - Service Information)
- Section 127 (Hybrid Control System - Diagnostic Codes (5 Of 7))
- Section 128 (Hybrid Control System - Diagnostic Codes (4 Of 7))
- Section 129 (Motor Generator Control System - Diagnostic Codes (4 Of 5))
- Section 130 (Hybrid Control System - Diagnostic Codes (2 Of 7))
- Section 131 (Hybrid Control System - Diagnostic Codes (6 Of 7))
- Section 132 (Can Communication System - Circuit Tests (2 Of 3))
- Section 133 (Can Communication System - Circuit Tests (3 Of 3))
- Section 134 (Sub Battery System (W/ Advanced Park) - Diagnostics - Introduction)
- Section 135 (Battery / Charging System - Diagnostics - Introduction)
- Section 136 (Engine Cooling Fan System - Diagnostics & Circuit Tests)
- Section 137 (Plug-In Charge Control System - Diagnostic Codes (1 Of 3))
- Section 138 (Hybrid Control System - Diagnostic Codes (6 Of 7))
- Section 139 (Engine Control System - Diagnostic Codes (P050B-P06AB))
- Section 140 (Emission Control System - Inspection)
- 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 (Exhaust Heat RECIRCULATION System - Diagnostics & Circuit Tests)
- Section 145 (Motor Generator Control System - Diagnostic Codes (5 Of 5))
- Section 146 (Motor Generator Control System - Diagnostic Codes (1 Of 5))
- Section 147 (Motor Generator Control System - Diagnostic Codes (3 Of 5))
- Section 148 (Plug-In Charge Control System - Diagnostic Codes (3 Of 3), Symptom Tests & Circuit Tests)
- Section 149 (Motor Generator Control System - Diagnostic Codes (2 Of 5))
- Section 150 (Heating / Air Conditioning System - Diagnostic Codes (2 Of 2), Circuit Tests & Symptom Tests)
- Section 151 (Battery / Charging System (Service Specifications))
- Section 152 (Engine Starting System (Service Specifications))
- Section 153 (Motor Generator Control System - Diagnostic Codes (3 Of 5))
- Section 154 (Engine Mechanical System (Service Specifications))
- Section 155 (Engine Cooling System (Service Specifications))
Factory Service Tools
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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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