Inspection Procedure

WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT TRANSMISSION WIRE (S4)
1. Disconnect the transmission wire connector from the transaxle.
2. Measure the resistance according to the value(s) in the figure Fig 1 below.
  Standard
  
  Fig 1: Identifying Tester Connection Specified Condition Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 2: Measuring Resistance
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: Go to step 3

OK: Go to next step.
CHECK HARNESS AND CONNECTOR (TRANSMISSION WIRE - ECM)
1. Connect the transmission connector to the transaxle.
2. Disconnect the connector from the ECM.
3. Measure the resistance according to the value(s) in the figure Fig 3 below.
  Standard
  
  Fig 3: Identifying Tester Connection Specified Condition Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 4: Measuring Resistance
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (SEE ELECTRONIC CIRCUIT INSPECTION PROCEDURE )

OK: REPLACE ECM (SEE ECM (3MZ-FE) )
INSPECT SHIFT SOLENOID VALVE (S4)
1. Remove the shift solenoid valve S4.
2. Measure the resistance according to the value(s) in the figure Fig 5 below.
  Standard
  
  Fig 5: Identifying Tester Connection Specified Condition Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 6: Measuring Resistance
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Connect positive (+) lead to the terminal of solenoid connector, negative (-) lead to the solenoid body.
  Standard:
  
  The solenoid makes an operating noise.
NG: REPLACE SHIFT SOLENOID VALVE (S4)

OK: REPAIR OR REPLACE TRANSMISSION WIRE (SEE TRANSMISSION WIRE (U151E) )