Manual Shifting Test

A750E AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMISSION SYSTEM: 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 below.