RM38T0EC _56 Audio / Visual / Telematics _115231 TELEMATICS _0512170 TELEMATICS SYSTEM(for TOYOTA Connect) C

TELEMATICS  TELEMATICS SYSTEM(for TOYOTA Connect)  B15CB11  Telephone Main Antenna Circuit Short to Ground  B15CB13  Telephone Main Antenna Circuit Open  


DESCRIPTION

If an open or short circuit in the navigation antenna assembly is detected as a result of a terminal check performed by the telematics transceiver, these DTCs will be stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
B15CB11 Telephone Main Antenna Circuit Short to Ground Navigation antenna assembly impedance (Ω) is lower than the malfunction threshold for 10 seconds or more when the ignition switch is ON (Short circuit)
·

Telematics transceiver

·

Navigation antenna assembly

·

Antenna cord sub-assembly


B15CB13 Telephone Main Antenna Circuit Open Navigation antenna assembly impedance (Ω) is higher than the malfunction threshold for 10 seconds or more when the ignition switch is ON (Open circuit)
·

Telematics transceiver

·

Navigation antenna assembly

·

Antenna cord sub-assembly



WIRING DIAGRAM

E360069E82
0.125,1.219 2.25,1.469 2.125,0.25 10 false Navigation Antenna Assembly 0.125,1.042 0.448,1.25 0.323,0.208 10 false D 5.646,0.969 5.969,1.177 0.323,0.208 10 false C 5.646,1.167 7.135,1.479 1.49,0.313 10 false Telematics Transceiver 3.604,0.719 3.854,0.927 0.25,0.208 10 false * 0.854,2.281 3.063,2.573 2.208,0.292 10 false *: Antenna Cord Sub-assembly 1.156,0.438 1.406,0.646 0.25,0.208 10 false 1 5.927,0.427 6.177,0.635 0.25,0.208 10 false 1

CAUTION / NOTICE / HINT

NOTICE:
·

Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Telematics System.

Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS SYSTEM (for TOYOTA Connect)>PRECAUTION

·

When replacing the telematics transceiver, make sure to replace it with a new one.

·

Before replacing the telematics transceiver, refer to Service Bulletin.



PROCEDURE

1.CHECK DTC OUTPUT
a.

Clear the DTCs.

Body Electrical > Telematics > Clear DTCs
50002 459

b.

Recheck for DTCs and check if the same DTC is output again.

Body Electrical > Telematics > Trouble Codes
50001 459

Result:
Result Proceed to
No DTCs are output. A
DTCs are output. B



A

USE SIMULATION METHOD TO CHECK

Click hereGeneral>INTRODUCTION>HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS>HOW TO PROCEED WITH TROUBLESHOOTING


B

2.INSPECT NAVIGATION ANTENNA ASSEMBLY
2.INSPECT NAVIGATION ANTENNA ASSEMBLY
a.

Remove the navigation antenna assembly.

Click hereAudio / Visual / Telematics>TELEMATICS>TELEPHONE ANTENNA>REMOVAL


b.
E356744C18
1.906,1.219 1.99,0.833 false 1.99,0.802 1.896,0.323 false 0.135,0.146 0.448,0.344 0.313,0.198 10 false *a 1.781,1.281 1.99,1.51 0.208,0.229 10 false 1a 1.771,0.135 1.979,0.365 0.208,0.229 10 false 1
*a Component without harness connected
(Navigation Antenna Assembly)


Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
1 - 1a Always 4 to 11 kΩ



Result:
Proceed to
OK
NG



OK

3.INSPECT ANTENNA CORD SUB-ASSEMBLY

NG

REPLACE NAVIGATION ANTENNA ASSEMBLY

Click hereAudio / Visual / Telematics>TELEMATICS>TELEPHONE ANTENNA>REMOVAL


3.INSPECT ANTENNA CORD SUB-ASSEMBLY
a.
E334514C66
0.656,1.031 1.031,1.281 0.375,0.25 1.438,0.854 1.729,0.385 true 0.792,1.073 1.104,1.271 0.313,0.198 10 false D 1.75,0.26 2.063,0.458 0.313,0.198 10 false 1a 0.146,0.125 0.458,0.323 0.313,0.198 10 false *a
*a Component without harness connected
(Antenna Cord Sub-assembly)


E418543C31
1.448,0.167 1.865,0.417 0.417,0.25 1.135,1.771 1.469,1.417 true 1.594,0.198 1.75,0.396 0.156,0.198 10 false C 0.948,1.719 1.281,1.917 0.333,0.198 10 false 1a 0.167,0.146 0.365,0.323 0.198,0.177 10 false *a
*a Component without harness connected
(Antenna Cord Sub-assembly)


Disconnect the antenna connector from the navigation antenna assembly.


b.

Disconnect the antenna connector from the antenna cord sub-assembly.


c.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
C-1 - D-1 Always Below 1 Ω
C-1a - D-1a Always Below 1 Ω
C-1 or D-1 - Body ground Always 10 kΩ or higher
C-1a or D-1a - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

4.REPLACE TELEMATICS TRANSCEIVER

NG

REPLACE ANTENNA CORD SUB-ASSEMBLY

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>RADIO ANTENNA CORD>REMOVAL