DTC B1414

DTC B1414  : GPS Antenna Disconnected

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
   B1414 GPS antenna disconnected

   Is DTC B1414 indicated?

   YES 

   The failure is duplicated, go to step 2.

   NO 

   Intermittent failure, the system is OK at this time.

2. Determine possible failure area (GPS (telematics) antenna, others)

   -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 connector.

   Roof antenna connector C (4P)

   -4. Turn the vehicle to the ON mode.

   -5. Measure the voltage between test points 1 and 2.

   Test condition	Vehicle ON mode
   	Roof antenna connector C (4P): disconnected
   Test point 1	Roof antenna connector C (4P) (male terminals) No. 1:
   Test point 2	Roof antenna connector C (4P) (male terminals) No. 3:

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

   Is there about 3.0 V - 3.6 V?

   YES 

   Replace the roof antenna .

   NO 

   Go to step 3.

3. Open wire check (SH (GPS ANT (TEL)) line)

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

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

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

   Test condition	Vehicle OFF (LOCK) mode
   	Roof antenna connector C (4P): disconnected
   Test point 1	Roof antenna connector C (4P) (male terminals) No. 3:
   Test point 2	Body ground

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

   Is there continuity?

   YES 

   The SH (GPS ANT (TEL)) wire is not open. Go to step 4.

   NO 

   There is an open in the wire. Replace the affected antenna lead.

4. Open wire check (GPS ANT (TEL) line)

   -1. Disconnect the following connector.

   Telematics control unit connector C (4P)

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

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

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

   Is there continuity?

   YES 

   Replace the telematics control unit .

   NO 

   There is an open in the wire. Replace the affected antenna lead.