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 MANUALSTOYOTA2007HIGHLANDER 2WD V6-3.3L (3MZ-FE)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTTRANSMISSION CONTROL SYSTEMSTESTING AND INSPECTIONCOMPONENT TESTS AND GENERAL DIAGNOSTICSMANUAL SHIFTING TEST
2007 Toyota Highlander 2WD V6-3.3L (3MZ-FE)
Manual Shifting Test
2007 Toyota Highlander 2WD V6-3.3L (3MZ-FE)SECTION Manual Shifting Test
MANUAL SHIFTING TEST
1. PERFORM MANUAL SHIFTING TEST
HINT:
^ With this test, it can be determined whether the trouble occurs in the electrical circuit or is a mechanical problem in the transaxle.
^ If any abnormalities are found in the following test, the problem is in the transaxle itself.
(a) Disconnect the connector of the transmission wire.
(b) Drive with the transmission wire disconnected. Shifting the shift lever in the order of L, 2, 3 and D position to check whether the shifting condition changes the table.
HINT:
When driving with the transmission wire disconnected, the shift lever position is in L or 2, the gear position is held in 3rd and the shift lever position is in 3 or D, the gear position is held in 4th.
However, when the shift position is in R or P, the operation is same as usual.
(c) Connect the connector of the transmission wire.
(d) Clear the DTC.
1. PERFORM MANUAL SHIFTING TEST
HINT:
^ With this test, it can be determined whether the trouble occurs in the electrical circuit or is a mechanical problem in the transaxle.
^ If any abnormalities are found in the following test, the problem is in the transaxle itself.
(a) Disconnect the connector of the transmission wire.
(b) Drive with the transmission wire disconnected. Shifting the shift lever in the order of L, 2, 3 and D position to check whether the shifting condition changes the table.
HINT:
When driving with the transmission wire disconnected, the shift lever position is in L or 2, the gear position is held in 3rd and the shift lever position is in 3 or D, the gear position is held in 4th.
However, when the shift position is in R or P, the operation is same as usual.
(c) Connect the connector of the transmission wire.
(d) Clear the DTC.
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.