Vanden Plas (X308) V8-4.0L (AJ27) (2000)
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The function of the three solenoid valves is to control the flow of transmission oil to the various transmission components. Three solenoid valves are
located within the transmission assembly, and are closed when not energized.
Pressure Regulator
The function of the five pressure regulators is to modulate the oil pressure to the various transmission components. The regulators are pulse width
modulated by the TCM, switching to ground potential. The other side of the regulators being connected, via an internal TCM relay, to battery voltage.
The regulator is closed when not energized by the TCM.
