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Inspection Procedure

WARNING: This page is about a different car, the 2005 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK CAN BUS LINE (MAIN BUS LINE FOR DISCONNECTION, BUS LINES FOR SHORT CIRCUIT) 
    1. Measure the resistance according to the value (s) in the table below.
      Fig 1: DLC3 Connector Terminals Resistance Specifications
      G02579821Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 2: Identifying DLC3 Connector Terminals
      G02579822Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG-A:  CHECK CAN MAIN BUS LINE FOR DISCONNECTION  
    2. NG-B:  CHECK CAN BUS LINES FOR SHORT CIRCUIT  

    OK: Go to next step. 

  2. CHECK CAN BUS LINE FOR SHORT TO +B 
    1. Measure the resistance according to the value (s) in the table below.
      Fig 3: DLC3 Connector Terminals Resistance Specifications
      G02579823Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 4: Identifying DLC3 Connector Terminals
      G02579824Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG:  CHECK CAN BUS LINE FOR SHORT TO +B  

    OK: Go to next step. 

  3. CHECK CAN BUS LINE FOR SHORT TO GND 
    1. Measure the resistance according to the value (s) in the table below.
      Fig 5: DLC3 Connector Terminals Resistance Specifications
      G02579825Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 6: Identifying DLC3 Connector Terminals
      G02579826Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG:  CHECK CAN BUS LINE FOR SHORT TO GND  

    OK: Go to next step. 

    GO TO  HOW TO PROCEED WITH TROUBLESHOOTING