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Front Camera Module Communication Stop Mode [08/2016 - ]: Procedure

  1. CHECK FOR OPEN IN CAN BUS LINES (PRE-COLLISION CITY SENSOR BRANCH LINE) 
    1. Disconnect the cable from the negative (-) battery terminal.
    2. Disconnect the N5 pre-collision city sensor connector.
    3. Measure the resistance according to the value(s) in the table below.
      GTY737883Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Pre-collision City Sensor)

      Standard Resistance

      Tester Connection Condition Specified Condition
      N5-5 (CA1P) - N5-11 (CA1N) Cable disconnected from negative (-) battery terminal 54 to 69 Ω

      Result

      Result 
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (PRE-COLLISION CITY SENSOR) 

    Result: 

    OK 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY718134Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Pre-collision City Sensor)

      Standard Resistance

      Tester Connection Condition Specified Condition
      N5-10 (GND) - Body ground Cable disconnected from negative (-) battery terminal Below 1 Ω
    2. Reconnect the cable to the negative (-) battery terminal.
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      N5-7 (IG1) - Body ground Ignition switch ON 11 to 14 V

      Result

      Result 
      OK
      NG

    Result: 

    OK 

    REPLACE PRE-COLLISION CITY SENSOR. Refer to  REMOVAL [08/2016 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)