Purpose/Function
Shift solenoid No.4 adjusts the hydraulic pressure in the high clutch circuit and the low and reverse brake circuit based on the current demand from the TCM according to the vehicle conditions.
Construction
Shift solenoid No.4 is installed to the solenoid control valve body.
Shift solenoid No.4 is a normal open-type linear solenoid.

Operation
Adjusts the high clutch pressure and the low and reverse brake pressure by increasing/decreasing the energization current to shift solenoid No.4 according to the signal from the TCM.
Shift Solenoid No.3 [Fw6 A EL, Fw6 Ax EL]
Turbine/Input Shaft Speed Sensor, Output Shaft Speed Sensor [Fw6 A EL, Fw6 Ax
EL]Oil Pan Removal/Installation
WARNING:
Hot engines and engine oil can cause severe burns. Turn off the engine and
wait until it and the engine oil have cooled.
A vehicle that is lifted but not securely supported on safety stands is dangerous.
It can slip or fall, causing death or serious injury. Never work ...
DSC Related Parts Sensor Initialization Procedure
WARNING:
If the initialization procedure is not completed, the DSC will not operate
properly and it might cause an unexpected accident. Therefore, after replacing
or removing the DSC HU/CM or SAS control module, make sure to perform the initialization
procedure to insure proper DSC ...
Units
Electric current
A (ampere)
Electric power
W (watt)
Electric resistance
ohm
Electric voltage
V (volt)
Length
mm (millimeter)
in (inch)
...