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Inspection Procedure

  1. READ VALUE OF HAND-HELD TESTER 
    1. Connect the hand-held tester to the DLC3.
    2. Check the cruise control switch assy using DATA LIST.

    CRUISE CONTROL (ECM): 

    Fig 1: Cruise Control (ECM) - Data List
    G01450719Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: GO TO STEP   2 
    2. OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE (SEE  PROBLEM SYMPTOMS TABLE  ) 
  2. INSPECT CRUISE CONTROL MAIN SWITCH ASSY 
    Fig 2: Inspecting Cruise Control Main Switch Assy
    G01450720Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Turn the ignition switch OFF.
    2. Disconnect the cruise control main switch connector.
    3. Measure the resistance according to the value(s) in the Fig 3 .

    Standard: 

    Fig 3: Terminals Resistance Reference Table
    G01450721Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPLACE CRUISE CONTROL MAIN SWITCH ASSY (SEE  REPLACEMENT  ) 
    2. OK: GO TO NEXT STEP. 
  3. INSPECT SPIRAL CABLE SUB-ASSY 
    1. Disconnect the spiral cable sub-assy connector ECM side.
    2. Measure the resistance according to the value(s) in the Fig 4 .

      Standard: 

      Fig 4: Terminals Resistance Reference Table
      G01450722Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 5: Inspecting Spiral Cable Sub-Assy
      G01450723Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPLACE SPIRAL CABLE SUB-ASSY (SEE  SPIRAL CABLE  ) 
    2. OK: GO TO NEXT STEP. 
  4. CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSY-BODY GROUND) 
    1. Measure the resistance according to the value(s) in the Fig 6 .

      Standard: 

      Fig 6: Terminals Resistance Reference Table
      G01450724Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 7: Checking Harness & Connector (Spiral Cable Sub-Assy-Body Ground)
      G01450725Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (SPIRAL CABLE SUB-ASSY-BODY GROUND) 
    2. OK: GO TO NEXT STEP 
  5. CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSY - ECM) 
    1. Disconnect the E5 connector of ECM.
    2. Measure the resistance according to the value(s) in the Fig 8 .

      Standard: 

      Fig 8: Terminals Resistance Reference Table
      G01450726Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 9: Checking Harness & Connector (Spiral Cable Sub-Assy - ECM)
      G01450727Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 10: Identifying Wire Harness Connector
      G01450728Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (SPIRAL CABLE SUB-ASSY - ECM) 
    2. OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE (SEE  PROBLEM SYMPTOMS TABLE  )