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 INSPECTIONCOMPONENT TESTS AND GENERAL DIAGNOSTICSMANUAL SHIFTING TEST
2006 Toyota Sequoia 4WD V8-4.7L (2UZ-FE)
Manual Shifting Test
2006 Toyota Sequoia 4WD V8-4.7L (2UZ-FE)SECTION Manual Shifting Test
MANUAL SHIFTING TEST
1. MANUAL SHIFTING TEST
HINT:
- Through this test, it can be determined whether the trouble occurs in the electrical circuit or if it is a mechanical problem in the transmission.
- If any abnormalities are found in the following test, the problem is in the transmission itself.
a. Disconnect the connector of the transmission wire.
HINT: It is possible to deactivate the electrical shift control by disconnecting the transmission wire. The gear positions can then be changed mechanically with the shift lever.
b. Drive with the transmission wire disconnected. Move the shift lever to each position to check whether the gear position changes as shown in the table.
c. Connect the connector of the transmission wire.
d. Clear the DTC.
1. MANUAL SHIFTING TEST
HINT:
- Through this test, it can be determined whether the trouble occurs in the electrical circuit or if it is a mechanical problem in the transmission.
- If any abnormalities are found in the following test, the problem is in the transmission itself.
a. Disconnect the connector of the transmission wire.
HINT: It is possible to deactivate the electrical shift control by disconnecting the transmission wire. The gear positions can then be changed mechanically with the shift lever.
b. Drive with the transmission wire disconnected. Move the shift lever to each position to check whether the gear position changes as shown in the table.
c. Connect the connector of the transmission wire.
d. Clear the DTC.
RENDER: 1.0x
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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.