RM35X0E _56 Audio / Visual / Telematics _078380 TELEMATICS _0482056 TELEMATICS SYSTEM(for Toyota Connected Services) C

TELEMATICS  TELEMATICS SYSTEM(for Toyota Connected Services)  B15CB11  Telephone Main Antenna Circuit Short to Ground  B15CB13  Telephone Main Antenna Circuit Open  


DESCRIPTION

If an open or short circuit in the No. 2 amplifier 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 Telephone antenna (main) impedance (Ω) is lower than the malfunction threshold for 10 seconds or more when the ignition switch is ON (Short circuit)
·

No. 2 amplifier antenna assembly

·

No. 2 antenna cord sub-assembly

·

Harness or connector

·

Telematics transceiver


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

No. 2 amplifier antenna assembly

·

No. 2 antenna cord sub-assembly

·

Harness or connector

·

Telematics transceiver



WIRING DIAGRAM

E409654E08
0.875,1.833 2.375,2.219 1.5,0.385 10 false No. 2 Amplifier Antenna Assembly 2.917,1.823 4.427,2.51 1.51,0.688 10 false No. 2 Antenna Cord Sub-assembly 2.573,0.833 4.083,1.521 1.51,0.688 10 false A 2.583,1.448 4.094,2.135 1.51,0.688 10 false A 2.573,0.646 4.083,1.333 1.51,0.688 10 false 1 2.563,1.24 4.073,1.927 1.51,0.688 10 false 1a 4.094,0.844 5.604,1.531 1.51,0.688 10 false TEL 4.469,1.438 5.979,2.125 1.51,0.688 10 false N194 4.552,1.24 6.063,1.927 1.51,0.688 10 false 1a 4.552,0.625 6.063,1.313 1.51,0.688 10 false 1 5.5,2.302 7.01,2.99 1.51,0.688 10 false N193 5.396,1.323 6.906,2.01 1.51,0.688 10 false 1a 5.448,0.729 6.958,1.417 1.51,0.688 10 false 1 5.51,2.479 7.083,2.865 1.573,0.385 10 false Telematics Transceiver 4.469,0.854 5.979,1.542 1.51,0.688 10 false N194 5.719,0.865 7.052,1.583 1.333,0.719 10 false ANT1

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 Connected Services)>PRECAUTION

·

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



PROCEDURE

1.CHECK DTC
a.

Turn the ignition switch to ON.


b.

Connect the GTS to the DLC3.


c.

Turn the ignition switch to ON and wait for 10 seconds or more.


d.

Turn the GTS on.


e.

Check for DTCs and check that no DTCs are output.

Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS SYSTEM (for Toyota Connected Services)>DTC CHECK / CLEAR

Body Electrical > Telematics > Trouble Codes
50001 459
OK:

No DTCs are output.



Result:
Proceed to
OK
NG



OK

USE SIMULATION METHOD TO CHECK

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


NG

2.INSPECT NO. 2 AMPLIFIER ANTENNA ASSEMBLY
2.INSPECT NO. 2 AMPLIFIER ANTENNA ASSEMBLY
a.

Remove the No. 2 amplifier antenna assembly.

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


b.
E409657C01
1.833,1.375 2.229,1.729 true 0.125,0.104 0.438,0.302 0.313,0.198 10 false *a 2.271,1.708 2.583,1.906 0.313,0.198 10 false 1a
*a Component without harness connected
(No. 2 Amplifier Antenna Assembly)


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

Standard Resistance:
Tester Connection Condition Specified Condition
1 - 1a Always 9 to 11 kΩ



Result:
Proceed to
OK
NG



OK

3.INSPECT NO. 2 ANTENNA CORD SUB-ASSEMBLY

NG

REPLACE NO. 2 AMPLIFIER ANTENNA ASSEMBLY

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


3.INSPECT NO. 2 ANTENNA CORD SUB-ASSEMBLY
a.
E409656C04
1.51,0.219 1.875,0.469 0.365,0.25 1.5,1.885 1.896,2.135 0.396,0.25 1.885,1.115 2.427,0.656 2.427,0.656 2.563,0.656 true 1.813,2.75 2.385,2.354 2.385,2.354 2.521,2.354 true 1.646,2.74 1.135,2.375 1.135,2.375 0.99,2.375 true 2.635,0.594 2.948,0.792 0.313,0.198 10 false 1a 2.563,2.281 2.875,2.479 0.313,0.198 10 false 1a 0.542,0.219 0.854,0.417 0.313,0.198 10 false *a 0.583,1.865 0.896,2.063 0.313,0.198 10 false *b 1.635,0.26 1.948,0.458 0.313,0.198 10 false A 1.542,1.927 2.479,2.406 0.938,0.479 10 false N194 0.635,2.302 1.094,2.5 0.458,0.198 10 false TEL
*a Front view of wire harness connector
(to No. 2 Amplifier Antenna Assembly)
*b Front view of wire harness connector
(to Wire harness)


Disconnect the No. 2 antenna cord sub-assembly from the No. 2 amplifier antenna assembly connector.


b.

Disconnect the No. 2 antenna cord sub-assembly from the wire harness connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
A-1 - N194-1 (TEL) Always Below 1 Ω
A-1a - N194-1a Always Below 1 Ω
A-1 or N194-1 (TEL) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

4.CHECK HARNESS AND CONNECTOR (NO. 2 ANTENNA CORD SUB-ASSEMBLY - TELEMATICS TRANSCEIVER)

NG

REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY

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


4.CHECK HARNESS AND CONNECTOR (NO. 2 ANTENNA CORD SUB-ASSEMBLY - TELEMATICS TRANSCEIVER)
a.
E427076C02
1.438,0.146 1.875,0.417 0.438,0.271 1.521,1.771 1.958,2.042 0.438,0.271 1.833,1.177 2.208,0.885 2.208,0.885 2.375,0.885 true 1.917,2.854 2.292,2.563 2.292,2.563 2.458,2.563 true 0.865,0.635 1.063,0.635 1.063,0.635 1.677,1.167 true 0.917,2.302 1.115,2.302 1.115,2.302 1.729,2.833 true 0.177,0.229 0.49,0.427 0.313,0.198 10 false *a 0.271,1.948 0.583,2.146 0.313,0.198 10 false *b 1.51,0.219 2.052,0.458 0.542,0.24 10 false N194 1.573,1.844 2.115,2.083 0.542,0.24 10 false N193 2.438,0.813 2.979,1.052 0.542,0.24 10 false 1a 2.5,2.5 3.042,2.74 0.542,0.24 10 false 1a 0.573,0.573 1.115,0.813 0.542,0.24 10 false TEL 0.552,2.24 1.094,2.479 0.542,0.24 10 false ANT1
*a Front view of wire harness connector
(to No. 2 Antenna Cord Sub-assembly)
*b Front view of wire harness connector
(to Telematics transceiver)


Disconnect the No. 2 antenna cord sub-assembly connector.


b.

Disconnect the telematics transceiver connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
N194-1 (TEL) - N193-1 (ANT1) Always Below 1 Ω
N194-1a - N193-1a Always Below 1 Ω
N194-1 (TEL) or N193-1 (ANT1) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

5.REPLACE TELEMATICS TRANSCEIVER

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR