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.
2000 Toyota Tundra Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Circuit Protection Devices
CIRCUIT PROTECTION DEVICES
| Component | Component Location |
|---|---|
| Diode (A/T) | Behind upper left side of dash, near instrument cluster. See Figure. |
| Diode (Door Courtesy) | Behind upper left side of dash, near instrument cluster. See Figure. |
| Diode (Idle Up) | Behind upper right side of dash, near passenger air bag. See Figure. |
| Diode (Power Window System) | Behind upper center of dash. See Figure. |
| Diode (Step Light) | Behind upper left side of dash, near base of windshield. See Figure. |
| Diode No. 1 (Daytime Running Light System) | Behind upper left side of dash, near base of windshield. See Figure. |
| Diode No. 2 (Daytime Running Light System) | Behind upper left side of dash, near instrument cluster. See Figure. |
| Driver Side J/B | Behind lower left side of dash. See Figure. |
| Engine Room R/B | On left 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.
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