RM38N0EC _56 Audio / Visual / Telematics _111824 TELEMATICS _0502894 TELEMATICS SYSTEM C

TELEMATICS  TELEMATICS SYSTEM  B15CB11  Telephone Main Antenna Circuit Short to Ground  B15CB13  Telephone Main Antenna Circuit Open  


DESCRIPTION

If an open or short circuit in the roof 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 Roof antenna assembly impedance (Ω) is lower than the malfunction threshold for 10 seconds or more when the ignition switch is ON (Short circuit)
·

Roof antenna assembly

·

No. 4 antenna cord sub-assembly

·

No. 2 antenna cord sub-assembly

·

Antenna cord sub-assembly

·

Telematics transceiver


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

Roof antenna assembly

·

No. 4 antenna cord sub-assembly

·

No. 2 antenna cord sub-assembly

·

Antenna cord sub-assembly

·

Telematics transceiver



WIRING DIAGRAM

E338340C19
0.156,1.271 1.708,1.656 1.552,0.385 10 false Roof Antenna Assembly 0.177,1.094 0.333,1.292 0.156,0.198 10 false E 2.5,0.573 2.656,0.771 0.156,0.198 10 false I 2.885,0.573 3.042,0.771 0.156,0.198 10 false H 4.375,0.573 4.531,0.771 0.156,0.198 10 false G 4.771,0.573 4.927,0.771 0.156,0.198 10 false F 6.094,1.063 6.25,1.26 0.156,0.198 10 false C 5.667,1.25 7.094,1.646 1.427,0.396 10 false Telematics Transceiver 2.49,0.375 2.646,0.573 0.156,0.198 10 false 2 2.885,0.375 3.042,0.573 0.156,0.198 10 false 2 4.375,0.375 4.531,0.573 0.156,0.198 10 false 1 4.76,0.365 4.917,0.563 0.156,0.198 10 false 1 5.938,0.448 6.094,0.646 0.156,0.198 10 false 1 1.125,0.458 1.281,0.656 0.156,0.198 10 false 4 1.635,0.75 1.792,0.948 0.156,0.198 10 false *3 3.604,0.771 3.802,0.969 0.198,0.198 10 false *2 5.458,0.76 5.677,0.958 0.219,0.198 10 false *1 2.115,2.583 4.958,2.823 2.844,0.24 10 false *2: No. 2 Antenna Cord Sub-assembly 2.104,2.188 4.948,2.427 2.844,0.24 10 false *1: Antenna Cord Sub-assembly 2.115,2.99 4.958,3.229 2.844,0.24 10 false *3: No. 4 Antenna Cord Sub-assembly

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>PRECAUTION

·

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

B

2.INSPECT ROOF ANTENNA ASSEMBLY
2.INSPECT ROOF ANTENNA ASSEMBLY
a.
E271865C65
1.969,1.479 2.24,1.594 false 0.125,0.104 0.438,0.302 0.313,0.198 10 false *a 2.292,1.531 2.604,1.729 0.313,0.198 10 false 4a
*a Component without harness connected
(Roof Antenna Assembly)


Remove the roof antenna assembly.

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


b.

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

Standard Resistance:
Tester Connection Condition Specified Condition
4 - 4a Always 9 to 11 kΩ



Result:
Proceed to
OK
NG



OK

3.INSPECT NO. 4 ANTENNA CORD SUB-ASSEMBLY

NG

3.INSPECT NO. 4 ANTENNA CORD SUB-ASSEMBLY

b.
E462890C01
2.698,0.375 3.073,0.615 0.375,0.24 1.198,0.823 1.573,1.063 false 0.104,0.094 0.417,0.292 0.313,0.198 10 false *a 2.844,0.417 3.156,0.615 0.313,0.198 10 false E 0.979,0.698 1.292,0.896 0.313,0.198 10 false 4a
*a Component without harness connected
(No. 4 Antenna Cord Sub-assembly)


Disconnect the E No. 4 antenna cord sub-assembly connector.


c.
E505812C10
1.5,0.167 1.917,0.417 0.417,0.25 2.156,1.729 2.156,1.24 false 0.219,0.135 0.531,0.333 0.313,0.198 10 false *a 1.677,0.219 1.99,0.417 0.313,0.198 10 false I 2.104,1.771 2.417,1.969 0.313,0.198 10 false 3a
*a Component without harness connected
(No. 4 Antenna Cord Sub-assembly)


Disconnect the I No. 4 antenna cord sub-assembly connector.


d.

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

Standard Resistance:
Tester Connection Condition Specified Condition
E-4 - I-3 Always Below 1 Ω
E-4a - I-3a Always Below 1 Ω
E-4 or I-3 - Body ground Always 10 kΩ or higher
E-4a or I-3a - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

4.INSPECT NO. 2 ANTENNA CORD SUB-ASSEMBLY

NG

4.INSPECT NO. 2 ANTENNA CORD SUB-ASSEMBLY

b.
E505808C08
1.51,0.146 1.885,0.385 0.375,0.24 1.354,1.865 1.354,1.375 false 0.24,0.156 0.552,0.354 0.313,0.198 10 false *a 1.667,0.198 1.979,0.396 0.313,0.198 10 false H 1.281,1.896 1.594,2.094 0.313,0.198 10 false 3a
*a Component without harness connected
(No. 2 Antenna Cord Sub-assembly)


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


c.
E505808C09
1.51,0.146 1.885,0.385 0.375,0.24 1.354,1.865 1.354,1.375 false 0.24,0.156 0.552,0.354 0.313,0.198 10 false *a 1.667,0.198 1.979,0.396 0.313,0.198 10 false G 1.281,1.896 1.594,2.094 0.313,0.198 10 false 3a
*a Component without harness connected
(No. 2 Antenna Cord Sub-assembly)


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


d.

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

Standard Resistance:
Tester Connection Condition Specified Condition
H-3 - G-3 Always Below 1 Ω
H-3a - G-3a Always Below 1 Ω
H-3 or G-3 - Body ground Always 10 kΩ or higher
H-3a or G-3a - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

5.INSPECT ANTENNA CORD SUB-ASSEMBLY

NG

5.INSPECT ANTENNA CORD SUB-ASSEMBLY

b.
E505812C11
1.5,0.167 1.917,0.417 0.417,0.25 2.156,1.729 2.156,1.24 false 0.219,0.135 0.531,0.333 0.313,0.198 10 false *a 1.677,0.219 1.99,0.417 0.313,0.198 10 false F 2.104,1.771 2.417,1.969 0.313,0.198 10 false 3a
*a Component without harness connected
(Antenna Cord Sub-assembly)


Disconnect the F antenna cord sub-assembly connector.


c.
E418545C17
1.552,0.167 1.969,0.417 0.417,0.25 2.302,1.833 1.969,1.417 false 1.719,0.229 1.875,0.427 0.156,0.198 10 false C 2.385,1.802 2.719,2 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 C antenna cord sub-assembly connector.


d.

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

Standard Resistance:
Tester Connection Condition Specified Condition
F-3 - C-1 Always Below 1 Ω
F-3a - C-1a Always Below 1 Ω
F-3 or C-1 - Body ground Always 10 kΩ or higher
F-3a or C-1a - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

6.REPLACE TELEMATICS TRANSCEIVER

NG

6.REPLACE TELEMATICS TRANSCEIVER

Result:
Proceed to
NEXT



NEXT