DTC B119F:01 [TELEMATICS COMMUNICATION UNIT (TYPE-B)]


id1602a7015800


Outline

System malfunction location

TEL antenna No.1 malfunction

Detection condition
•  The vehicle is driven 50 km {31 mile} while telematics communication unit cannot obtain position information from the TEL antenna No.1.
Fail-safe
Not applicable
Possible cause
•  Driving 50 km {31 mile} under poor radio signal reception conditions (position information cannot be obtained).
•  TEL antenna No.1 connector or terminal malfunction
•  Telematics communication unit connector or terminal malfunction
•  Short to power supply in TEL antenna No.1 GNSS signal circuit
•  Short to ground in TEL antenna No.1 GNSS signal circuit
•  Open circuit in TEL antenna No.1 GNSS signal circuit
•  TEL antenna No.1 malfunction
•  Telematics communication unit malfunction


Diagnostic Procedure

Step

Inspection

Results

Action

1
VERIFY REPEATABILITY
•  Clear the DTC recorded in the memory.
(Refer to the [CLEARING DTC] in the workshop manual)
•  Drive the vehicle 50 km {31 mile} or more under good radio signal reception conditions (position information can be obtained).
•  Perform the DTC inspection for the telematics communication unit.
(Refer to the [DTC INSPECTION] in the workshop manual)
•  Is the same Pending DTC present?
Yes
Go to the next step.
No
Go to repair completion verification 2.
2
INSPECT TEL ANTENNA No.1 CONNECTOR FOR MALFUNCTION
•  Inspect the applicable connector and terminal.
(Refer to the [CONNECTOR INSPECTION] in the workshop manual)
•  Are the connector and terminal normal?
Yes
Go to the next step.
No
Repair or replace the malfunctioning location and perform the repair completion verification.
3
INSPECT TELEMATICS COMMUNICATION UNIT CONNECTOR FOR MALFUNCTION
•  Inspect the applicable connector and terminal.
(Refer to the [CONNECTOR INSPECTION] in the workshop manual)
•  Are the connector and terminal normal?
Yes
Go to the next step.
No
Repair or replace the malfunctioning location and perform the repair completion verification.
4
INSPECT TEL ANTENNA No.1 GNSS SIGNAL CIRCUIT FOR SHORT TO POWER SUPPLY
•  Inspect the applicable circuit for a short to power supply.
(Refer to the [CIRCUIT INSPECTION] in the workshop manual)
•  Is the circuit normal?
Yes
Go to the next step.
No
Repair or replace the malfunctioning location and perform the repair completion verification.
5
INSPECT TEL ANTENNA No.1 GNSS SIGNAL CIRCUIT FOR SHORT TO GROUND
•  Inspect the applicable circuit for a short to ground.
(Refer to the [CIRCUIT INSPECTION] in the workshop manual)
•  Is the circuit normal?
Yes
Go to the next step.
No
Repair or replace the malfunctioning location and perform the repair completion verification.
6
INSPECT TEL ANTENNA No.1 GNSS SIGNAL CIRCUIT FOR OPEN CIRCUIT
•  Inspect the applicable circuit for an open circuit.
(Refer to the [CIRCUIT INSPECTION] in the workshop manual)
•  Is the circuit normal?
Yes
Go to the next step.
No
Repair or replace the malfunctioning location and perform the repair completion verification.
7
INSPECT TEL ANTENNA No.1 FOR MALFUNCTION DEPENDING ON REPEATABILITY
•  Clear the DTC recorded in the memory.
(Refer to the [CLEARING DTC] in the workshop manual)
•  Drive the vehicle 50 km {31 mile} or more under good radio signal reception conditions (position information can be obtained).
•  Perform the DTC inspection for the telematics communication unit.
(Refer to the [DTC INSPECTION] in the workshop manual)
•  Is the same Pending DTC present?
Yes
Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.
(Refer to the [CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW] in the workshop manual)
If the CAN communication is normal, replace the TEL antenna No.1 and perform the repair completion verification.
(Refer to the [TEL ANTENNA REMOVAL/INSTALLATION] in the workshop manual)
No
Go to repair completion verification.
Repair completion verification 1
VERIFY THAT VEHICLE IS REPAIRED
•  Install/connect the part removed/disconnected during the troubleshooting procedure.
•  Clear the DTC recorded in the memory.
(Refer to the [CLEARING DTC] in the workshop manual)
•  Drive the vehicle 50 km {31 mile} or more under good radio signal reception conditions (position information can be obtained).
•  Perform the DTC inspection for the telematics communication unit.
(Refer to the [DTC INSPECTION] in the workshop manual)
•  Is the same Pending DTC present?
Yes
Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.
(Refer to the [CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW] in the workshop manual)
If the CAN communication is normal, perform the diagnosis from Step 1.
•  If the malfunction recurs, replace the telematics communication unit, then go to the next step.
(Refer to the [TELEMATICS COMMUNICATION UNIT REMOVAL/INSTALLATION] in the workshop manual)
No
Go to the next step.
Repair completion verification 2
VERIFY IF OTHER DTC IS DISPLAYED
•  Perform the DTC inspection.
(Refer to the [DTC INSPECTION] in the workshop manual)
•  Are any other DTCs displayed?
Yes
Repair the malfunctioning location according to the applicable DTC troubleshooting.
No
DTC troubleshooting completed.