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 DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONDIAGNOSTIC TROUBLE CODE DESCRIPTIONSNAVIGATION SYSTEM
2006 Toyota Sequoia 4WD V8-4.7L (2UZ-FE)
Navigation System
2006 Toyota Sequoia 4WD V8-4.7L (2UZ-FE)SECTION Navigation System
DIAGNOSTIC TROUBLE CODE CHART
HINT: Titles for each unit are stated in the following order: parts name (physical address) [Name indicated by DTC]
1. Radio and navigation assembly (physical address: 140) [AVN]
a. Logical address: 01 (Communication control)
HINT: Methods used to verify the cause of the problem are listed in order of probability in the verification column.
b. Logical address: 58 (Navigation): 80 (GPS)
HINT: Methods used to verify the cause of the problem are listed in order of probability in the verification column.
c. Logical address: 21 (SW): 23 (SW with name): 24 (SW converting): 25 (command SW)
HINT: Methods used to verify the cause of the problem are listed in order of probability in the verification column.
2. Stereo component amplifier assembly (Physical address: 440) [DSP AMP]
a. Logical address: 01 (Communication control)
HINT: Methods used to verify the cause of the problem are listed in order of probability in the verification column.
3. Multi-display controller sub-assembly (Physical address: 1F6) [RSE ECU, MAIN]
a. Logical address: 01 (Communication control)
4. Rear seat audio controller (Physical address: 1F4) [RSA]
a. Logical address: 01 (Communication control)
HINT: Titles for each unit are stated in the following order: parts name (physical address) [Name indicated by DTC]
1. Radio and navigation assembly (physical address: 140) [AVN]
a. Logical address: 01 (Communication control)
HINT: Methods used to verify the cause of the problem are listed in order of probability in the verification column.
b. Logical address: 58 (Navigation): 80 (GPS)
HINT: Methods used to verify the cause of the problem are listed in order of probability in the verification column.
c. Logical address: 21 (SW): 23 (SW with name): 24 (SW converting): 25 (command SW)
HINT: Methods used to verify the cause of the problem are listed in order of probability in the verification column.
2. Stereo component amplifier assembly (Physical address: 440) [DSP AMP]
a. Logical address: 01 (Communication control)
HINT: Methods used to verify the cause of the problem are listed in order of probability in the verification column.
3. Multi-display controller sub-assembly (Physical address: 1F6) [RSE ECU, MAIN]
a. Logical address: 01 (Communication control)
4. Rear seat audio controller (Physical address: 1F4) [RSA]
a. Logical address: 01 (Communication control)
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.