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 INSPECTIONSYMPTOM RELATED DIAGNOSTIC PROCEDURES
2006 Toyota Sequoia 4WD V8-4.7L (2UZ-FE)
Symptom Related Diagnostic Procedures
2006 Toyota Sequoia 4WD V8-4.7L (2UZ-FE)SECTION Symptom Related Diagnostic Procedures
PROBLEM SYMPTOMS TABLE
1. COMMUNICATION STOP MODE TABLE
a. Complete "Check CAN Bus Line" to confirm that there is no malfunction in the CAN bus line. Select "BUS CHECK" on the intelligent tester via the CAN VIM.
b. Check the communication stop mode of the ECUs not displayed among the following: "ENGINE", "TRANSLATE ECU", or "REAR AIRSUS".
2. DTC COMBINATION TABLE
a. Perform troubleshooting according to combination of DTCs output.
1. COMMUNICATION STOP MODE TABLE
a. Complete "Check CAN Bus Line" to confirm that there is no malfunction in the CAN bus line. Select "BUS CHECK" on the intelligent tester via the CAN VIM.
Problem Symptoms Table:
b. Check the communication stop mode of the ECUs not displayed among the following: "ENGINE", "TRANSLATE ECU", or "REAR AIRSUS".
2. DTC COMBINATION TABLE
a. Perform troubleshooting according to combination of DTCs output.
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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.