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 SYSTEMSRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSENGINE CONTROL MODULETESTING AND INSPECTIONCOMPONENT TESTS AND GENERAL DIAGNOSTICSINSPECTION
2006 Toyota Sequoia 4WD V8-4.7L (2UZ-FE)
Inspection
2006 Toyota Sequoia 4WD V8-4.7L (2UZ-FE)SECTION Inspection
ECM:
INSPECTION
1. DISCONNECT CABLE FROM NEGATIVE (-) BATTERY TERMINAL
2. REMOVE GROVE COMPARTMENT
a. Remove the 2 screws and glove compartment door.
b. Remove the 3 screws and lower No.2 finish panel.
3. REMOVE HEATER TO REGISTER DUCT
4. REMOVE ECM
a. Disconnect the 5 connectors.
b. Remove the 2 bolts and ECM.
5. INSPECT ECM
Refer to Control Module Pinout Values. Pinout Values and Diagnostic Parameters
6. REINSTALL ECM
a. Install the ECM with the 2 bolts.
b. Connect the 5 connectors.
7. INSTALL HEATER TO REGISTER DUCT
8. INSTALL GLOVE COMPARTMENT
a. Install the lower No.2 finish panel with 3 screws.
b. Install the glove compartment door with the 2 screws.
9. CONNECT CABLE TO NEGATIVE (-) BATTERY TERMINAL
10. PERFORM INITIALIZATION
a. Perform initialization.
HINT: Some system need initialization when disconnecting the cable from the battery terminal.
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.