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CAN COMMUNICATION SYSTEM Television Camera ECU Communication Stop Mode

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DTC Code DTC Name
  Television Camera ECU Communication Stop Mode
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DESCRIPTION

Detection Item Symptom Trouble Area
Television Camera ECU Communication Stop Mode Parking assist monitor is not displayed on "BUS CHECK" screen of intelligent tester

  • Power source or inside television camera ECU

  • Television camera ECU branch wire and connector

  • Television camera ECU
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WIRING DIAGRAM

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INSPECTION PROCEDURE

Note:

  • Turn the ignition switch off before measuring the resistances of CAN bus main wires and CAN bus branch wires.

  • After the ignition switch is turned off, check that the key reminder warning system and light reminder warning system are not operating.

  • Before measuring the resistance, leave the vehicle as is for at least 1 minute and do not operate the ignition switch, any other switches, or the doors. If any doors need to be opened in order to check the connectors, open the doors and leave them open.

Tip:

  • Operating the ignition switch, any other switches, or a door triggers related ECU and sensor communication on the CAN. This communication will cause the resistance value to change.

  • Even after DTCs are cleared, if a DTC is stored again after driving the vehicle for a while, the malfunction may be occurring due to vibration of the vehicle. In such a case, wiggling the ECUs or wire harness while performing the inspection below will help determine the cause of the malfunction.

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PROCEDURE


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    CHECK CAN BUS LINE FOR DISCONNECTION (TELEVISION CAMERA ECU BRANCH WIRE)


    1. A017CLDE01

      Disconnect the television camera ECU connector.

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

      Standard resistance
      Tester Connection Condition Specified Condition
      N15-7 (CANH) - N15-6 (CANL) Ignition switch off 54 to 69 Ω

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    CHECK WIRE HARNESS (TELEVISION CAMERA ECU - BATTERY AND BODY GROUND)


    1. A017BK9E04

      Disconnect the television camera ECU connector.

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

      Standard resistance
      Tester Connection Condition Specified Condition
      N16-8 (GND1) - Body ground Ignition switch off Below 1 Ω

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

      Standard voltage
      Tester Connection Condition Specified Condition
      N16-1 (+B) - Body ground Always 10 to 14 V
      N16-4 (ACC) - Body ground Ignition switch on (ACC) 10 to 14 V
      N16-3 (IG) - Body ground Ignition switch on (IG) 10 to 14 V

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    REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO NETWORK GATEWAY ECU (CANH, CANL)

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    REPAIR OR REPLACE HARNESS OR CONNECTOR

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    REPLACE PARKING ASSIST ECU (TELEVISION CAMERA ECU)Click here