Manual Shifting Test

WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.

MANUAL SHIFTING TEST

HINT.

Using this test, it can be determined whether a problem is in an 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.

Disconnect the connector of the transmission wire
HINT.

It is possible to deactivate the electrical shift control by disconnecting the transmission wire The gears can then be changed mechanically with the shift lever.

Drive with the transmission wire disconnected. Move the shift lever to each position to check whether the gear changes as shown in the table below

SHIFT LEVER POSITION

Shift Lever Position	Gear
P	P
R	R
D	3rd No Shift (Gears will not change)

Connect the connector of the transmission wire.
Clear the DTCs (See DTC CHECK / CLEAR ).

Fig 1: Disconnecting Connector Of Transmission Wire
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