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.
Parts Location [08/2019 - 08/2021]: Illustration
2018 Toyota 4Runner SR5, 4WDSECTION Illustration
| *1 | PARK / NEUTRAL POSITION SWITCH ASSEMBLY | *2 | STARTER ASSEMBLY |
| *3 | ENGINE ROOM RELAY BLOCK | *4 | ST RELAY |
| *5 | ST FUSE | *6 | STOP FUSE |
| *7 | NO. 1 INTEGRATION RELAY | - | - |
| *A | for Toyota Entune Remote Connect Compatible Type | - | - |
| *1 | TRANSMISSION FLOOR SHIFT ASSEMBLY | *2 | NO. 2 INDOOR ELECTRICAL KEY ANTENNA ASSEMBLY (FRONT FLOOR) |
| *3 | STEERING LOCK ECU (STEERING LOCK ACTUATOR ASSEMBLY) | *4 | DLC3 |
| *5 | ECM | *6 | CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) |
| *7 | DCM (TELEMATICS TRANSCEIVER) | *8 | ENGINE SWITCH |
| *9 | ID CODE BOX (IMMOBILIZER CODE ECU) | *10 | COMBINATION METER ASSEMBLY |
| *11 | STOP LIGHT SWITCH ASSEMBLY | *12 | DRIVER SIDE JUNCTION BLOCK ASSEMBLY |
| *13 | ACC RELAY | *14 | IG NO. 1 RELAY |
| *15 | IG NO. 3 RELAY | *16 | IG NO. 4 RELAY |
| *17 | IG NO. 5 RELAY | *18 | ACC FUSE |
| *19 | ECU-IG NO. 2 FUSE | *20 | KDSS FUSE |
| *21 | ECU-IG NO. 3 FUSE | *22 | S/HTR FR FUSE |
| *23 | SMART FUSE | - | - |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.