Active Test Reference

Item

Test Details

Diagnostic Note

Control the shift solenoid SLU to set automatic transmission to lock-up condition. [Vehicle Condition]

• Throttle valve opening angle: Less than 35 %

• Vehicle speed: 36 mph (58 km/h) or more

The shift solenoid valve SLU operation can be checked.

2006 TRANSMISSION A750F Automatic Transaxle - Sequoia

This test can be conducted in the 5th gear.

Lightly depress the accelerator pedal and check that the engine speed does not change abruptly. HINT:

• When changing the accelerator pedal opening angle while driving, if the engine speed does not change, the lock-up is ON.

• Slowly release the accelerator pedal in order to decelerate. Suddenly releasing the pedal will close the throttle valve and lock-up may be turned off automatically.

Fig. 94: Graph - Accelerator Pedal Opening Angle And Throttle Valve Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

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