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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 60 (Automatic Transmission Diagnosis - U241E) >> Component Tests >> Shift Solenoids SL1, SL2 & S4

Shift Solenoids SL1, SL2 & S4

WARNING: This page is about a different car, the 2003 Toyota RAV4, 2002 Toyota RAV4, 2002 Toyota Highlander, 2001 Toyota RAV4, and 2001 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: For circuit reference, see WIRING DIAGRAMS  and CONNECTOR IDENTIFICATION  .
NOTE: The following information can also be used to diagnose DTCs P0750, P0755 and P0765. For testing of shift solenoid SLT, go to appropriate DTC 1760. See DIAGNOSTIC TROUBLE CODE DEFINITIONS .
  1. Raise and support vehicle. Remove transaxle oil pan. See LUBRICATION in appropriate SERVICING article. Remove shift solenoid(s). See Figure. Using a DVOM, measure resistance between shift solenoid SL1, terminals (SL1+) and (SL1-), resistance should be 5.0-5.6 ohms. For shift solenoid SL2, measure between terminals (SL2+) and (SL2-), resistance should be 5.1-5.5 ohms. On shift solenoid (S4), measure resistance between ground and solenoid terminal. On shift solenoids (SL1) and (SL2), resistance should be 5.1-5.5 ohms. On shift solenoid (S4), resistance should be 11-15 ohms. On all solenoids, if resistance is not as specified, replace appropriate shift solenoid. If resistance is within specification, go to next step for shift solenoids (SL1) and (SL2) or for shift solenoid (S4), go to step  3.
  2. To check shift solenoids (SL1) and (SL2) operation, connect jumper wire with a 23 watt bulb from positive battery terminal to shift solenoid terminal SL1 (White wire), or (Yellow wire) on shift solenoid (SL2). Connect another jumper wire from negative battery terminal to appropriate shift solenoid terminal SL2. With power supplied to solenoid, ensure solenoid makes a "click" sound. Replace solenoid if "click" sound cannot be heard. If solenoid "clicks", diagnose valve body malfunction.
  3. To check shift solenoid (S4) operation, connect jumper wire with a 23-watt bulb from positive battery terminal to shift solenoid (S4) terminal. Connect another jumper wire from negative battery terminal to shift solenoid (S4) body. With power supplied to solenoid, ensure solenoid makes a "click" sound. Replace solenoid if "click" sound cannot be heard. If solenoid "clicks", diagnose valve body malfunction.
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