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Home >> Scion >> 2005 >> xB Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Electronic Controlled Automatic Transaxle (ECT) >> O/D Main Switch Circuit >> Inspection Procedure

Inspection Procedure

  1. CHECK HARNESS AND CONNECTOR (TRANSMISSION CONTROL SWITCH - BODY GROUND) 
    1. Disconnect the transmission control switch connector of shift lever assy.
    2. Measure the resistance according to the value(s) in CHECK HARNESS AND CONNECTOR (TRANSMISSION CONTROL SWITCH - BODY GROUND) RESISTANCE SPECIFICATIONS .

    Standard: 

    CHECK HARNESS AND CONNECTOR (TRANSMISSION CONTROL SWITCH - BODY GROUND) RESISTANCE SPECIFICATIONS

    Tester connection Specified Condition
    4 - Body ground Below 1 Ω
    Fig 1: Checking Harness And Connector (Transmission Control Switch - Body Ground)
    G03096241Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (See  ELECTRONIC CIRCUIT INSPECTION PROCEDURE  ) 
    2. OK: GO TO NEXT STEP 
  2. INSPECT TRANSMISSION CONTROL SWITCH 
    1. Measure the resistance according to the value(s) in Fig 2.

    Standard: 

    Fig 2: Transmission Control Switch Resistance Specifications Chart
    G03096242Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 3: Inspecting Transmission Control Switch
    G03096243Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPLACE TRANSMISSION CONTROL SWITCH 
    2. OK: GO TO NEXT STEP 
  3. CHECK HARNESS AND CONNECTOR (TRANSMISSION CONTROL SWITCH - ECM) 
    1. Connect the transmission control switch connector of shift lever assy.
    2. Disconnect the ECM connector.
    3. Measure the resistance according to the value(s) in Fig 4.

    Standard: 

    Fig 4: Check Harness And Connector (Transmission Control Switch - ECM) Resistance Specifications Chart
    G03096244Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 5: Checking Harness And Connector (Transmission Control Switch - ECM)
    G03096245Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (See  ELECTRONIC CIRCUIT INSPECTION PROCEDURE  ) 
    2. OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (see  PROBLEM SYMPTOMS TABLE  )