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DTC B1411

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DTC B1411  : Primary Cellular Antenna Short to Ground

DTC Description DTC
B1411 Primary Cellular Antenna Short to Ground  

DTCs (Telematics System)

NOTE:  Check the connectors for poor connections or loose terminals.

  1. Problem verification

    -1. Clear the DTCs with the HDS.

    -2. Turn the vehicle to the OFF (LOCK) mode.

    -3. Open the driver's door, and wait more than 1 minute.

    -4. Turn the vehicle to the ON mode.

    -5. Wait for at least 1 minute.

    -6. Check for DTCs with the HDS.

    DTC Description DTC
    B1411 Primary Cellular Antenna Short to Ground  

    Is DTC B1411 indicated?

    YES 

    The failure is duplicated, go to step 2.

    NO 

    Intermittent failure, the system is OK at this time.

  2. Shorted wire check (TEL ANT 1 line)

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Open the driver's door, and wait more than 1 minute.

    -3. Disconnect the following connectors.

    Telematics control unit connector C (4P)
    TEL antenna 2P connector

    -4. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode
      Telematics control unit connector C (4P): disconnected
      TEL antenna 2P connector: disconnected
    Test point 1 Telematics control unit connector C (4P) No. 1
    Test point 2 Body ground

    Is there continuity?

    YES 

    There is a short to body ground in the wire. Replace the affected antenna lead.

    NO 

    The TEL ANT 1 wire is not shorted to ground. Go to step 3.

  3. Shorted wire check (TEL ANT 1 line to SH (TEL ANT 1) line)

    -1. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode
      Telematics control unit connector C (4P): disconnected
      TEL antenna 2P connector: disconnected
    Test point 1 Telematics control unit connector C (4P) No. 1
    Test point 2 Telematics control unit connector C (4P) No. 3

    Is there continuity?

    YES 

    There is a short in the wire. Replace the affected antenna lead.

    NO 

    The TEL ANT 1 wire is OK. Go to step 4.

  4. TEL antenna check

    -1. Reconnect the TEL antenna 2P connector.

    -2. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode
      Telematics control unit connector C (4P): disconnected
    Test point 1 Telematics control unit connector C (4P) No. 1
    Test point 2 Telematics control unit connector C (4P) No. 3

    Is there continuity?

    YES 

    Replace the TEL antenna .

    NO 

    Replace the telematics control unit .