Toyota/Lexus U151E, U151F, U250E Solenoid Identification

Valve Body Xpress

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When installed in the valve body, the four long solenoids look identical. In addition, line drawings supplied in the factory manual are unclear as to which solenoid actually goes where. Count the slots on the solenoid and refer to the information below for detailed information on solenoid placement.


Name
Description
Number of Slots
Resistance (at 68°F)
Function
Connector Info
SL1
Pressure Control A
PWM* 2 Connector-side
3 Opposite-side
5-6 Ohms
Clutch Control
Black, 2-terminal
SL2
Pressure Control B
PWM* 4 Connector-side
1 Opposite-side
5-6 Ohms Clutch Control Black, 2-terminal
SL3
Pressure Control C
PWM* 4 Connector-side
1 Opposite-side
5-6 Ohms Clutch Control Black, 2-terminal
SLT
Pressure Control D
PWM* 5 Connector-side
0 Opposite-side
5-6 Ohms Line Pressure Rise
Black or Tan, 2-terminal
DSL
TCC Solenoid
On/Off** -
11-13 Ohms
Lockup
Reddish-brown
S4
Shift Solenoid D
On/Off** -
11-13 Ohms Shift Solenoid
Black, 1 wire
SR
Shift Solenoid E
On/Off** -
11-13 Ohms Shift Solenoid
Black, 1 wire
*Powered & grounded by computer
**Powered by ECM & grounded through solenoid
Related Part(s)
Related Unit(s)
Subject(s) Included
  • Solenoid Identification | Connector Pin Outs

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