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 MANAGEMENTTRANSMISSION CONTROL SYSTEMSTESTING AND INSPECTIONPROGRAMMING AND RELEARNINGINITIALIZATION
2006 Toyota Sequoia 4WD V8-4.7L (2UZ-FE)
Initialization
2006 Toyota Sequoia 4WD V8-4.7L (2UZ-FE)SECTION Initialization
INITIALIZATION
1. RESET MEMORY
NOTICE:
- Perform the RESET MEMORY procedures (A/T initialization) when replacing the automatic transmission assembly, engine assembly or ECM.
- The RESET MEMORY can be performed only with the intelligent tester.
HINT: The ECM memorizes the vehicle conditions when the ECT controls the automatic transmission assembly and engine assembly. Therefore, when the automatic transmission assembly, engine assembly, or ECM has been replaced, it is necessary to reset the memory so that the ECM can memorize the new information. The reset procedures are as follows.
a. Turn the ignition switch OFF.
b. Connect the intelligent tester to the CAN VIM. Then connect the CAN VIM to the DLC3.
c. Turn the ignition switch ON and push the tester main switch ON.
d. Enter the following menus: DIAGNOSIS ENHANCED OBD II.
e. Perform the reset memory procedure from the ENGINE menu.
CAUTION: After performing the RESET MEMORY procedures, be sure to perform the ROAD TEST as described earlier. Road Test
HINT: The ECM learns through the ROAD TEST
1. RESET MEMORY
NOTICE:
- Perform the RESET MEMORY procedures (A/T initialization) when replacing the automatic transmission assembly, engine assembly or ECM.
- The RESET MEMORY can be performed only with the intelligent tester.
HINT: The ECM memorizes the vehicle conditions when the ECT controls the automatic transmission assembly and engine assembly. Therefore, when the automatic transmission assembly, engine assembly, or ECM has been replaced, it is necessary to reset the memory so that the ECM can memorize the new information. The reset procedures are as follows.
a. Turn the ignition switch OFF.
b. Connect the intelligent tester to the CAN VIM. Then connect the CAN VIM to the DLC3.
c. Turn the ignition switch ON and push the tester main switch ON.
d. Enter the following menus: DIAGNOSIS ENHANCED OBD II.
e. Perform the reset memory procedure from the ENGINE menu.
CAUTION: After performing the RESET MEMORY procedures, be sure to perform the ROAD TEST as described earlier. Road Test
Tester Menu Flow:
HINT: The ECM learns through the ROAD TEST
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.