CAN COMMUNICATION SYSTEM Rear Television Camera Communication Stop Mode

DESCRIPTION

Detection Item Symptom Trouble Area
Rear Television Camera Communication Stop Mode

Either condition is met:


  • Communication stop for "Parking Assist Monitor System" is indicated on the "Communication Bus Check" screen of the GTS.

  • Communication system DTCs (DTCs that start with U) that correspond to "Rear Television Camera Communication Stop Mode" in "DTC Combination Table" are output.

  • Rear television camera assembly branch line or connector

  • Power source circuit of rear television camera assembly

  • Rear television camera assembly ground circuit

  • Rear television camera assembly

WIRING DIAGRAM

B001MUPE11
*a CAN No. 7 Junction Connector
*b from Radio Receiver Assembly
*c to Radio Receiver Assembly
*d Rear Television Camera Assembly

CAUTION / NOTICE / HINT

Note


  • Because the order of diagnosis is important to allow correct diagnosis, make sure to begin troubleshooting using How to Proceed with Troubleshooting when CAN communication system related DTCs are output.

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  • Before measuring the resistance of the CAN bus, turn the power switch off and leave the vehicle for 1 minute or more without operating the key or any switches, or opening or closing the doors. After that, disconnect the cable from the negative (-) auxiliary battery terminal and leave the vehicle for 1 minute or more before measuring the resistance.

  • After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.

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  • After the repair, perform the CAN bus check and check that all the ECUs and sensors connected to the CAN communication system are displayed.

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  • Inspect the fuses for circuits related to this system before performing the following procedure.

Tech Tips


  • Before disconnecting related connectors for inspection, push in on each connector body to check that the connector is not loose or disconnected.

  • When a connector is disconnected, check that the terminals and connector body are not cracked, deformed or corroded.

PROCEDURE


  1. CHECK FOR OPEN IN CAN BUS LINES (REAR TELEVISION CAMERA ASSEMBLY BRANCH LINE)


    1. Disconnect the cable from the negative (-) auxiliary battery terminal.

    2. B001LHOC27
      *a

      Front view of wire harness connector

      (to Rear Television Camera Assembly)

      Disconnect the V13 rear television camera assembly connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      V13-4 (CANH) - V13-1 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 54 to 69 Ω
      Result
      Result
      OK
      NG

    NG

    REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (REAR TELEVISION CAMERA ASSEMBLY)

    OK

  2. CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)


    1. B001LHOC28
      *a

      Front view of wire harness connector

      (to Rear Television Camera Assembly)

      Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      V13-5 (CGND) - 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
      Tester Connection Condition Specified Condition
      V13-6 (CB+) - Body ground Power switch on (ACC) 5.5 to 7.05 V
      Result
      Result
      OK
      NG

    OK

    REPLACE REAR TELEVISION CAMERA ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)