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 MANUALSTOYOTA2006SEQUOIA 4WD V8-4.7L (2UZ-FE)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSINFORMATION BUSTESTING AND INSPECTIONINITIAL INSPECTION AND DIAGNOSTIC OVERVIEWCAN COMMUNICATION SYSTEMDESCRIPTION OF ON-BOARD DIAGNOSTICSFAIL-SAFE CHART
2006 Toyota Sequoia 4WD V8-4.7L (2UZ-FE)
Fail-Safe Chart
2006 Toyota Sequoia 4WD V8-4.7L (2UZ-FE)SECTION Fail-Safe Chart
FAIL-SAFE CHART
1. FAIL-SAFE FUNCTION
a. When communication fails in any of the CAN bus lines (communication lines) due to a short circuit or any other cause, the fail-safe function, which is specified for each system, operates to prevent the system from malfunctioning.
b. Effects on each system when communication is impossible are as given.
1. FAIL-SAFE FUNCTION
a. When communication fails in any of the CAN bus lines (communication lines) due to a short circuit or any other cause, the fail-safe function, which is specified for each system, operates to prevent the system from malfunctioning.
b. Effects on each system when communication is impossible are as given.
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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.