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.
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HOMESERVICE MANUALSTOYOTA20074RUNNER SPORT, 4.0 U, RWDREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTANTI-THEFT SYSTEMSENGINE IMMOBILIZER
2007 Toyota 4Runner Sport, 4.0 U, RWD
Engine Immobilizer
2007 Toyota 4Runner Sport, 4.0 U, RWDSECTION Engine Immobilizer
- Engine Immobilizer System
- Parts Location
- How To Proceed With Troubleshooting
- Registration
- Problem Symptoms Table
- Terminals Of Ecu
- Diagnosis System
- DTC Check / Clear
- Data List / Active Test
- Diagnostic Trouble Code Chart
- DTC B2780 Push Switch / Key Unlock Warning Switch Malfunction
- DTC B2784 Antenna Coil Open / Short
- DTC B2793 Transponder Chip Malfunction
- DTC B2794 Unmatched Encryption Code
- DTC B2795 Unmatched Key Code
- DTC B2796 No Communication in Immobilizer System; DTC B2798 Communication Malfunction No. 2
- DTC B2797 Communication Malfunction No. 1
- DTC B2799 Engine Immobilizer System Malfunction
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.