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 SYSTEMSTESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURESACTIVE TEST
2006 Toyota Sequoia 4WD V8-4.7L (2UZ-FE)
Active Test
2006 Toyota Sequoia 4WD V8-4.7L (2UZ-FE)SECTION Active Test
ACTIVE TEST
HINT: Performing the intelligent tester's ACTIVE TEST allows relay, Vacuum Switching Valve (VSV), actuator and other items to be operated without removing any parts. Performing the ACTIVE TEST early in troubleshooting is one way to save time. The DATA LIST can be displayed during the ACTIVE TEST.
a. Warm up the engine.
b. Turn the ignition switch OFF.
c. Connect the intelligent tester to the DLC3.
d. Turn the ignition switch ON.
e. Turn the intelligent tester ON.
f. Enter the following menus: DIAGNOSIS / ENHANCED OBD II / ACTIVE TEST.
g. According to the display on the tester, perform the ACTIVE TEST.
HINT: Performing the intelligent tester's ACTIVE TEST allows relay, Vacuum Switching Valve (VSV), actuator and other items to be operated without removing any parts. Performing the ACTIVE TEST early in troubleshooting is one way to save time. The DATA LIST can be displayed during the ACTIVE TEST.
Active Test (Part 1):
Active Test (Part 2):
a. Warm up the engine.
b. Turn the ignition switch OFF.
c. Connect the intelligent tester to the DLC3.
d. Turn the ignition switch ON.
e. Turn the intelligent tester ON.
f. Enter the following menus: DIAGNOSIS / ENHANCED OBD II / ACTIVE TEST.
g. According to the display on the tester, perform the ACTIVE TEST.
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.