DTC B1413

DTC B1413  : TEL Antenna Shorted to Ground

DTC (Telematics System)

1. Problem verification

   -1. Clear the DTCs with the HDS.

   -2. Turn the vehicle to the OFF (LOCK) mode, and then back to ON mode.

   -3. 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 line)

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

   -2. Disconnect the following connectors.

   Telematics control unit connector B (4P)

   Roof antenna connector B (4P)

   -3. Check for continuity between test points 1 and 2.

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

   Is there continuity?

   YES 

   There is a short to body ground in the wire between the roof antenna and the telematics control unit. Replace the affected antenna lead.

   NO 

   The TEL wire is not shorted. Go to step 3.

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

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

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

   Is there continuity?

   YES 

   There is a short in the wires between the roof antenna and the telematics control unit. Replace the affected antenna lead.

   NO 

   Replace the roof antenna .