LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2017 >> Prius Two >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Can Communication System - Circuit Tests (3 Of 3) >> Can Communication System >> Circuit Tests >> Front Camera Module Communication Stop Mode [11/2015 - ] >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Front Camera Module Communication Stop Mode [11/2015 - ]: Procedure

  1. CHECK FOR OPEN IN CAN BUS LINES (FORWARD RECOGNITION CAMERA BRANCH LINE) 
    1. Disconnect the cable from the negative (-) auxiliary battery terminal.
    2. Disconnect the O7 forward recognition camera connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      (O7)

      (O7)

      Tester Connection Condition Specified Condition
      O7-5 (CA1P) - O7-11 (CA1N) Cable disconnected from negative (-) auxiliary battery terminal 54 to 69 Ω

      Result

      Result
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (FORWARD RECOGNITION CAMERA) 

    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.

      Standard Resistance

      (O7)

      (O7)

      Tester Connection Condition Specified Condition
      O7-10 (GND) - Body ground Cable disconnected from negative (-) auxiliary battery terminal Below 1 Ω
    2. Reconnect the cable to the negative (-) auxiliary battery terminal.
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      (O7)

      (O7)

      Tester Connection Condition Specified Condition
      O7-7 (IGB) - Body ground Power switch on (IG) 11 to 14 V

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE FORWARD RECOGNITION CAMERA. Refer to  REMOVAL [11/2015 - 07/2020]  , or refer to  REMOVAL [07/2020 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)