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.
2002 Toyota 4Runner BaseFACTORY OEM SERVICE PROCEDURE
Electrical Component Locator: Miscellaneous
MISCELLANEOUS LOCATION
| Component | Component Location |
|---|---|
| A/C Magnetic Clutch | On right front of engine. See Figure. |
| Blower Resistor | Behind right side of dash. |
| Data Link Connector (DLC) No. 1 | On left side of engine compartment. See Figure. |
| Data Link Connector (DLC) No. 3 | Under center left side of dash, between console and steering column. |
| Diode (Back Window) | Behind upper right side of dash. |
| Diode (Daytime Running Light No. 1) | Behind right side of dash, on top. |
| Ignition Coil No. 1 | On top right side of engine. See Figure. |
| Ignition Coil No. 2 | On top right side of engine. See Figure. |
| Ignition Coil No. 3 | On top right side of engine. See Figure. |
| Ignitor | On right side of engine compartment. See Figure. |
| Junction Connectors No. 1 & 2 | On left inner fender panel, front of strut tower. |
| Junction Connectors No. 3 & 4 | Behind upper left side of dash. |
| Junction Connectors No. 5 & 6 | Behind left side of dash, at center junction block. |
| Junction Connectors No. 7, 8 & 9 | Behind upper right side of dash. |
| Junction Connectors No. 10 & 11 | At right kick panel. |
| Junction Connector No. 14 | In front of left rear wheelwell. |
| Noise Filter | On right side of engine compartment. See Figure. |
| Rear Heater Blower Resistor | On rear heater unit. |
| Theft Deterrent Horn | At right side of engine compartment. |
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:
- • 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.