Toyota Tundra Service Manual: Manual Shifting Test

Toyota Tundra Service Manual / Engine, Hybrid System / A760e Automatic Transmission / Transaxle / Automatic Transmission System / Manual Shifting Test

MANUAL SHIFTING TEST

1. MANUAL SHIFTING TEST

HINT:

Through this test, it can be determined whether the trouble occurs 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.

(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 the vehicle 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.

Shift Lever Position	Gear Position
P	P
R	R
D	4th

(d) Clear the DTCs (See page ).

See More:

Toyota Tundra Service Manual > Automatic Transmission System: Shift Solenoid "C" Control Circuit Low (Shift Solenoid Valve S3) (P0979,P0980)
DESCRIPTION Shifting from 1st to 6th is performed in combination with ON and OFF operation of the shift solenoid valves SL1, SL2, S1, S2, S3, S4 and SR, which are controlled by the ECM. If an open or short circuit occurs in any of the shift solenoid valves, the ECM controls the remaining normal shif ...

Toyota Tundra Service Manual: Manual Shifting Test

Initialization

Mechanical System Tests

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