DTC B1413

DTC B1413  : TEL Antenna Shorted 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
   B1413 TEL antenna shorted to Ground

   Is DTC B1413 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 2 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 D (2P)

   Roof antenna connector C (4P)

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

   Test condition	Vehicle OFF (LOCK) mode
   	Telematics control unit connector D (2P): disconnected
   	Roof antenna connector C (4P): disconnected
   Test point 1	Telematics control unit connector D (2P) 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 2 wire is not shorted to ground. Go to step 3.

3. Shorted wire check (TEL ANT 2 line to SH (TEL ANT 2) line)

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

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

   Is there continuity?

   YES 

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

   NO 

   The TEL ANT 2 wire is OK. Go to step 4.

4. Roof antenna check

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

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

   Courtesy of HONDA, U.S.A., INC.

   Is there continuity?

   YES 

   Replace the roof antenna .

   NO 

   Replace the telematics control unit .