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.
2021 Lexus IS 350 RWDFACTORY OEM SERVICE PROCEDURE
External Pages
These are pages that do not belong to the exact selected vehicle (2021 Lexus IS 350 RWD), 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 variant/trim
- Section 1 (Automatic Transmission System (A760H) - Service Information (1 Of 2))
- Section 2 (Transfer Case - Service Information)
- Section 3 (Four Wheel Drive Control System - Diagnostic Codes & Symptom Tests)
- Section 4 (Four Wheel Drive Control System - Diagnostics - Introduction)
- Section 5 (Automatic Transmission System (A760H) - Diagnostic Codes (2 Of 3))
- Section 6 (Automatic Transmission System (A760H) - Diagnostics - Introduction)
- Section 7 (Automatic Transmission System (A760H) - Service Information (2 Of 2))
- Section 8 (Automatic Transmission System (A760H) - Diagnostic Codes (3 Of 3) & Circuit Tests)
- Section 9 (Automatic Transmission System (A760H) - Diagnostic Codes (1 Of 3))
- Different car
- Section 1 (Automatic Transmission System (Aa80E) - Service Information)
- Section 2 (Battery / Charging System (8AR-FTS) - Diagnostic Codes & Symptom Tests)
- Section 3 (Charging System (2GR-FSE) - Diagnostics & Symptom Tests)
- Section 4 (Charging System (2UR-GSE) - Diagnostic Codes & Symptom Tests)
- Section 5 (Engine Intake / Exhaust System (4GR-FSE) - Service Information)
- Section 6 (Fuel System (4GR-FSE) - Inspection)
- Section 7 (Engine Control System (4GR-FSE) - Service Information)
- Section 8 (Engine Mechanical System (4GR-FSE) - Service Information (1 Of 2))
- Section 9 (Engine Control System (4GR-FSE) - Diagnostic Codes (5 Of 5) & Circuit Tests)
- Section 10 (Engine Control System (4GR-FSE) - Diagnostics - Introduction (1 Of 2))
- Section 11 (Engine Intake / Exhaust System (8AR-FTS) - Service Information)
- Section 12 (Engine Intake / Exhaust System (2GR-FSE) - Service Information)
- Section 13 (Ignition System (2GR-FSE) - Inspection)
- Section 14 (Engine Control System (2GR-FSE) - Diagnostics - Introduction (1 Of 4))
- Section 15 (Engine Control System (2GR-FSE) - Service Information)
- Section 16 (Engine Control System (2GR-FSE) - Diagnostic Codes (4 Of 6))
- Section 17 (Engine Mechanical System (8AR-FTS) - Service Information (1 Of 2))
- Section 18 (Engine Mechanical System (8AR-FTS) - Service Information (2 Of 2))
- Section 19 (Engine Control System (8AR-FTS) - Service Information)
- Section 20 (Emission Control System (8AR-FTS) - Service Information)
- Section 21 (Engine Control System (8AR-FTS) - Diagnostics - Introduction (1 Of 6))
- Section 22 (Engine Cooling System (8AR-FTS) - Service Information)
- Section 23 (Lane Departure Alert System - Diagnostic Codes & Circuit Tests)
- Section 24 (Lane Departure Alert System - Diagnostics - Introduction)
- Section 25 (Charging System (2GR-FSE) (Service Specifications))
- Section 26 (Automatic Transmission System (Aa81E, For 8AR-FTS) - Diagnostic Codes (2 Of 4))
- Section 27 (Automatic Transmission System (Aa81E, For 8AR-FTS) - Diagnostics - Introduction (1 Of 2))
- Section 28 (Automatic Transmission System (Aa81E, For 8AR-FTS) - Diagnostics - Introduction (2 Of 2))
- Section 29 (Engine Control System (8AR-FTS) - Diagnostics - Introduction (5 Of 6))
- Section 30 (Engine Control System (8AR-FTS) - Diagnostic Codes (01 Of 14))
- Section 31 (Engine Control System (8AR-FTS) - Diagnostic Codes (02 Of 14))
- Section 32 (Engine Control System (8AR-FTS) - Diagnostic Codes (03 Of 14))
- Section 33 (Engine Control System (8AR-FTS) - Diagnostic Codes (04 Of 14))
- Section 34 (Engine Control System (8AR-FTS) - Diagnostic Codes (05 Of 14))
- Section 35 (Engine Control System (8AR-FTS) - Diagnostic Codes (06 Of 14))
- Section 36 (Engine Control System (8AR-FTS) - Diagnostic Codes (07 Of 14))
- Section 37 (Engine Control System (8AR-FTS) - Diagnostic Codes (08 Of 14))
- Section 38 (Engine Control System (8AR-FTS) - Diagnostic Codes (09 Of 14))
- Section 39 (Engine Control System (8AR-FTS) - Diagnostic Codes (10 Of 14))
- Section 40 (Engine Control System (8AR-FTS) - Diagnostic Codes (11 Of 14))
- Section 41 (Engine Control System (8AR-FTS) - Diagnostic Codes (12 Of 14))
- Section 42 (Engine Control System (8AR-FTS) - Diagnostic Codes (13 Of 14))
- Section 43 (Engine Control System (8AR-FTS) - Diagnostic Codes (14 Of 14) & Symptom Tests (1 Of 4))
- Section 44 (Engine Lubrication System (8AR-FTS) - Service Information)
- Section 45 (Engine Cooling System (8AR-FTS) - Inspection)
- Section 46 (Automatic Headlight Beam Level Control System - Diagnostics - Introduction)
- Section 47 (Adaptive Front-Lighting System - Diagnostics - Introduction)
- Section 48 (Charging System (4GR-FSE) - Diagnostics & Symptom Tests)
- Section 49 (Lighting System (W/ AFS) - Diagnostics - Introduction)
- Section 50 (Lighting System (W/O AFS) - Diagnostics - Introduction)
- Section 51 (Engine Control System (2GR-FSE) - Diagnostic Codes (6 Of 6) & Circuit Tests)
- Section 52 (Automatic Transmission System (Aa81E, For 2GR-FSE) - Diagnostic Codes (4 Of 4) & Circuit Tests)
- Section 53 (Automatic Headlight Beam Level Control System - Diagnostic Codes & Circuit Tests)
- Section 54 (Engine Control System (8AR-FTS) - Circuit Tests & Symptom Tests (2 Of 4))
- Section 55 (Fuel System (8AR-FTS) - Service Information)
- Section 56 (Engine Starting System (8AR-FTS) - Service Information)
- Section 57 (Engine Control System (8AR-FTS) - Diagnostics - Introduction (2 Of 6))
- Section 58 (Engine Control System (8AR-FTS) - Diagnostics - Introduction (3 Of 6))
- Section 59 (Engine Control System (8AR-FTS) - Diagnostics - Introduction (4 Of 6))
- Section 60 (Engine Control System (8AR-FTS) - Diagnostics - Introduction (6 Of 6))
- Section 61 (Fuel System (8AR-FTS) - Inspection)
- Section 62 (Automatic Transmission System (Aa81E, For 8AR-FTS) - Diagnostic Codes (3 Of 4))
- Section 63 (Engine Mechanical System (2GR-FSE) - Service Information (1 Of 2))
- Section 64 (Engine Mechanical System (2UR-GSE) - Service Information)
- Section 65 (Engine Mechanical System (2GR-FSE) - Service Information (2 Of 2))
- Section 66 (Lighting System (W/ AFS) - Diagnostic Codes & Circuit Tests)
- Section 67 (Lighting System (W/O AFS) - Diagnostic Codes & Circuit Tests)
- Section 68 (Engine Cooling Fan System (2GR-FSE) - Diagnostics & Circuit Tests)
- Section 69 (Cooling Fan System (4GR-FSE) - Diagnostics & Circuit Tests)
- Section 70 (Engine Cooling Fan System (8AR-FTS) - Diagnostics & Circuit Tests)
- Section 71 (Engine Cooling Fan System (2UR-GSE) - Diagnostics & Circuit Tests)
- Section 72 (Ignition System (8AR-FTS) - Inspection)
- Section 73 (Engine Intake System (8AR-FTS) - Inspection)
- Section 74 (Emission Control System (8AR-FTS) - Inspection)
- Section 75 (Engine Control System (8AR-FTS) - Symptom Tests (3 Of 4))
- Section 76 (Engine Control System (8AR-FTS) - Symptom Tests (4 Of 4))
- Section 77 (Cruise Control System (2GR-FSE, 4GR-FSE) - Diagnostics - Introduction)
- Section 78 (Cruise Control System (2GR-FSE,4GR-FSE) - Diagnostic Codes & Circuit Tests)
- Section 79 (Automatic Transmission System (A760H) - Diagnostic Codes (2 Of 2) & Circuit Tests)
- Section 80 (Automatic Transmission System (A960E) - Diagnostic Codes (2 Of 2) & Circuit Tests)
- Section 81 (Intuitive Parking Assist System - Diagnostics - Introduction)
- Section 82 (Intuitive Parking Assist System - Diagnostic Codes & Circuit Tests)
- Section 83 (Engine Lubrication System (8AR-FTS) - Inspection)
- Section 84 (Battery / Charging System (8AR-FTS) - Service Information)
- Section 85 (Fuel System (2GR-FSE) - Service Information)
- Section 86 (Fuel System (4GR-FSE) - Service Information)
- Section 87 (Automatic High Beam System - Diagnostics - Introduction)
- Section 88 (Automatic Transmission System (A760H) - Diagnostics - Introduction)
- Section 89 (Automatic Transmission System (A960E) - Diagnostics - Introduction)
- Section 90 (Automatic Transmission System (Aa81E, For 2GR-FSE) - Diagnostics - Introduction)
- Section 91 (Variable Gear Ratio Steering System - Diagnostics - Introduction)
- Section 92 (Steering Control System - Service Information)
- Section 93 (Engine Lubrication System (2GR-FSE) - Service Information)
- Section 94 (Engine Lubrication System (4GR-FSE) - Service Information)
- Section 95 (Engine Cooling System (2GR-FSE) - Service Information)
- Section 96 (Engine Cooling System (4GR-FSE) - Service Information)
- Section 97 (Engine Starting System (2GR-FSE) - Service Information)
- Section 98 (Engine Starting System (4GR-FSE) - Service Information)
- Section 99 (Engine Cooling System (2GR-FSE) - Inspection)
- Section 100 (Engine Control System (2UR-GSE) - Diagnostics - Introduction (1 Of 2))
- Section 101 (Automatic Transmission System (Aa80E) - Diagnostics - Introduction)
- Section 102 (Automatic Transmission System (Aa80E) - Diagnostic Codes (1 Of 2))
- Section 103 (Engine Control System (2UR-GSE) - Diagnostic Codes (3 Of 4))
- Section 104 (Engine Control System (2UR-GSE) - Diagnostics - Introduction (2 Of 2))
- Section 105 (Automatic Transmission System (Aa80E) - Diagnostic Codes (2 Of 2) & Circuit Tests)
- Section 106 (Engine Control System (2UR-GSE) - Circuit Tests & Symptom Tests)
- Section 107 (Fuel System (2UR-GSE) - Inspection)
- Section 108 (Ignition System (2UR-GSE) - Inspection)
- Section 109 (Engine Control System (2UR-GSE) - Diagnostic Codes (1 Of 4))
- Section 110 (Engine Control System (2UR-GSE) - Diagnostic Codes (2 Of 4))
- Section 111 (Engine Control System (2UR-GSE) - Diagnostic Codes (4 Of 4))
- Section 112 (Engine Starting System (2UR-GSE) - Service Information)
- Section 113 (Fuel System (2UR-GSE) - Service Information)
- Section 114 (Engine Control System (2UR-GSE) - Service Information)
- Section 115 (Engine Intake System (2UR-GSE) - Inspection)
- Section 116 (Emission Control System (2UR-GSE) - Service Information)
- Section 117 (Emission Control System (2UR-GSE) - Inspection)
- Section 118 (Battery / Charging System (4GR-FSE) - Service Information)
- Section 119 (Engine Mechanical System (4GR-FSE) - Service Information (2 Of 2))
- Section 120 (Automatic Transmission System (Aa81E, For 2GR-FSE) - Diagnostic Codes (1 Of 4))
- Section 121 (Engine Control System (2GR-FSE) - Diagnostics - Introduction (3 Of 4))
- Section 122 (Engine Control System (2GR-FSE) - Diagnostics - Introduction (4 Of 4))
- Section 123 (Automatic Transmission System (Aa81E, For 2GR-FSE) - Diagnostic Codes (3 Of 4))
- Section 124 (Engine Control System (4GR-FSE) - Diagnostics - Introduction (2 Of 2))
- Section 125 (Ignition System (4GR-FSE) - Inspection)
- Section 126 (Engine Control System (4GR-FSE) - Diagnostic Codes (1 Of 5))
- Section 127 (Engine Control System (4GR-FSE) - Diagnostic Codes (3 Of 5))
- Section 128 (Engine Control System (4GR-FSE) - Diagnostic Codes (2 Of 5))
- Section 129 (Automatic Transmission System (A960E) - Service Information)
- Section 130 (Engine Intake System (4GR-FSE) - Inspection)
- Section 131 (Emission Control System (4GR-FSE) - Service Information)
- Section 132 (Automatic Transmission System (Aa81E, For 8AR-FTS) - Diagnostic Codes (4 Of 4) & Circuit Tests)
- Section 133 (Automatic Transmission System (Aa81E, For 8AR-FTS) - Diagnostic Codes (1 Of 4))
- Section 134 (Charging System (2UR-GSE) - Diagnostics - Introduction)
- Section 135 (Charging System (2UR-GSE) - Service Information)
- Section 136 (Charging System (2GR-FSE) - Service Information)
- Section 137 (Battery / Charging System (8AR-FTS) - Diagnostics - Introduction)
- Section 138 (Lane Departure Alert System (W/ Steering Control) - Diagnostics - Introduction)
- Section 139 (Lane Departure Alert System (W/ Steering Control) - Diagnostic Codes & Circuit Tests)
- Section 140 (Clock System - Inspection)
- Section 141 (Rear View Monitor System - Diagnostic Codes & Circuit Tests)
- Section 142 (Rear View Monitor System - Diagnostics - Introduction)
- Section 143 (Engine Cooling System (2UR-GSE) - Service Information)
- Section 144 (Engine Control System (2GR-FSE) - Diagnostic Codes (1 Of 6))
- Section 145 (Engine Control System (2GR-FSE) - Diagnostic Codes (2 Of 6))
- Section 146 (Engine Control System (2GR-FSE) - Diagnostic Codes (3 Of 6))
- Section 147 (Engine Control System (2GR-FSE) - Diagnostic Codes (5 Of 6))
- Section 148 (Engine Control System (2GR-FSE) - Diagnostics - Introduction (2 Of 4))
- Section 149 (Engine Cooling System (4GR-FSE) - Inspection)
- Section 150 (Engine Control System (4GR-FSE) - Diagnostic Codes (4 Of 5))
- Section 151 (Engine Lubrication System (4GR-FSE) - Inspection)
- Section 152 (Automatic High Beam System - Diagnostic Codes & Circuit Tests)
- Section 153 (Forward Recognition Camera System - Diagnostics - Introduction)
- Section 154 (Rear Seat Reminder System - Inspection)
- Section 155 (Automatic Transmission System (A760H) - Diagnostic Codes (1 Of 2))
- Section 156 (Fuel System (2GR-FSE) - Inspection)
- Section 157 (Engine Lubrication System (2GR-FSE) - Inspection)
- Section 158 (Emission Control System (2GR-FSE) - Service Information)
- Section 159 (Engine Lubrication System (2UR-GSE) - Service Information)
- Section 160 (Engine Lubrication System (2UR-GSE) - Inspection)
- Section 161 (Engine Cooling System (2UR-GSE) - Inspection)
- Section 162 (Automatic Transmission System (Aa81E, For 2GR-FSE) - Diagnostic Codes (2 Of 4))
- Section 163 (Variable Gear Ratio Steering System - Diagnostic Codes & Symptom Tests)
- Section 164 (Automatic Transmission System (A960E) - Diagnostic Codes (1 Of 2))
- Section 165 (Pre-Collision System Cancel Switch - Service Information)
- Section 166 (Adaptive Front-Lighting System - Diagnostic Codes & Circuit Tests)
- Section 167 (Engine Intake System (2GR-FSE) - Inspection)
- Section 168 (Cruise Control System (8AR-FTS) - Diagnostics - Introduction)
- Section 169 (Cruise Control System (8AR-FTS) - Diagnostic Codes & Circuit Tests)
- Section 170 (Engine Intake / Exhaust System (2UR-GSE) - Service Information)
- Section 171 (Emission Control System (2GR-FSE) - Inspection)
- Section 172 (Engine Starting System (2GR-FSE) (Service Specifications))
- Section 173 (Engine Mechanical System (2GR-FSE) (Service Specifications))
- Section 174 (Forward Recognition Camera System - Diagnostic Codes & Circuit Tests)
- Section 175 (Engine Cooling System (2GR-FSE) (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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.
