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Home >> Toyota >> 2004 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 465 (Automatic Transmission Electronic Controlled (ECT) - Diagnostics) >> Electronic Controlled Automatic Transaxle [ECT] (APR., 2003) >> DTC P0751: Shift Solenoid "A" Performance (Shift Solenoid Valve S1) >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2004 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT SHIFT SOLENOID VALVE (S1) 
    1. Remove the shift solenoid valve S1.
    2. Measure the resistance according to the value (s) in the table below.

      Standard: 

      TESTER RESISTANCE SPECIFICATION

      Specified Condition Tester Connection 20°C (68°F)
      Solenoid Connector (S1) - Solenoid Body (S1) 11 to 15Ω
    3. Connect the positive (+) battery lead to the solenoid connector terminal, and the negative (-) battery lead to the solenoid body for checking the solenoid valve operation.

      Standard: 

      The solenoid makes an operating noise. 

      4. Fig 1: Inspecting Shift Solenoid Valve (S1)
      G02860925Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPLACE SHIFT SOLENOID VALVE (S1) 
    2. OK: GO TO NEXT STEP. 
  2. INSPECT TRANSMISSION VALVE BODY ASSY (See chapter 2 in the problem symptoms table) (See  PROBLEM SYMPTOMS TABLE  ) 
    1. NG: REPAIR OR REPLACE TRANSMISSION VALVE BODY ASSY (See  REPLACEMENT  ) 
    2. OK: REPAIR OR REPLACE AUTOMATIC TRANSAXLE ASSY (See  COMPONENTS  ) 
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