RM36D0EC _56 Audio / Visual / Telematics _083087 TELEMATICS _0402655 TELEMATICS SYSTEM C

TELEMATICS TELEMATICS SYSTEM B15C111 GNSS Antenna Circuit Short to Ground B15C113 GNSS Antenna Circuit Open

DESCRIPTION

These DTCs are stored when a malfunction occurs in the navigation antenna assembly.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
B15C111	GNSS Antenna Circuit Short to Ground	Current to the telephone antenna assembly 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 · No. 4 antenna cord sub-assembly
B15C113	GNSS Antenna Circuit Open	Current to the telephone antenna assembly 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 · No. 4 antenna cord sub-assembly

WIRING DIAGRAM

0.49,1.469 1.708,1.906 1.219,0.438 10 false Navigation Antenna Assembly 2.083,1.708 3.885,1.906 1.802,0.198 10 false Antenna Cord Sub-assembly 4.052,1.688 5.323,2.073 1.271,0.385 10 false No. 4 Antenna Cord Sub-assembly 5.604,1.771 7.063,1.969 1.458,0.198 10 false Telematics Transceiver 5.229,0.531 5.656,0.729 0.427,0.198 10 false ANT2 5.229,1.135 5.656,1.333 0.427,0.198 10 false ANT2 3.719,0.531 3.875,0.76 0.156,0.229 10 false B 3.729,1.146 3.885,1.375 0.156,0.229 10 false B 1.948,0.542 2.104,0.771 0.156,0.229 10 false A 1.958,1.135 2.115,1.365 0.156,0.229 10 false A 1.958,0.313 2.115,0.542 0.156,0.229 10 false 3 1.906,0.906 2.167,1.104 0.26,0.198 10 false 3a 3.719,0.313 3.875,0.542 0.156,0.229 10 false 1 3.688,0.906 3.948,1.104 0.26,0.198 10 false 1a 5.313,0.313 5.469,0.542 0.156,0.229 10 false 1 5.302,0.917 5.563,1.115 0.26,0.198 10 false 1a

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>PRECAUTION201910,202104,_56,_083087,_0402655,RM100000001JJZQ,202104,202304,_56,_083087,_0402655,RM100000001WEPD,202304,999999,_56,_083087,_0402655,RM1000000029YMD,

·

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

Turn the ignition switch off.

Connect the GTS to the DLC3.

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

Turn the GTS on.

Clear the DTCs.

Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS SYSTEM>DTC CHECK / CLEAR201910,999999,_56,_083087,_0402655,RM100000001JJZZ,

Body Electrical > Telematics > Clear DTCs: 50002 459

Check for DTCs and check that no DTCs are output.

Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS SYSTEM>DTC CHECK / CLEAR201910,999999,_56,_083087,_0402655,RM100000001JJZZ,

Body Electrical > Telematics > Trouble Codes: 50001 459

OK:: No DTCs are output.

Result:

Proceed to
OK
NG

USE SIMULATION METHOD TO CHECK

Click hereGeneral>INTRODUCTION>HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS>HOW TO PROCEED WITH TROUBLESHOOTING201910,999999,_V1,_083040,_0402301,RM100000001JHCA,

2.INSPECT ANTENNA CORD SUB-ASSEMBLY

1.5,0.417 1.917,0.667 0.417,0.25 1.5,2.698 1.917,2.948 0.417,0.25 0.698,4.167 0.979,3.781 true 1.833,1.094 2.24,0.604 true 0.49,0.344 0.802,0.542 0.313,0.198 10 false *a 0.563,4.156 0.875,4.354 0.313,0.198 10 false 1a 2.26,0.438 2.5,0.604 0.24,0.167 10 false 3a 1.667,0.448 1.979,0.646 0.313,0.198 10 false A 1.667,2.75 1.979,2.948 0.313,0.198 10 false B 0.49,2.635 0.802,2.833 0.313,0.198 10 false *b

*a	Front view of wire harness connector (to Navigation Antenna Assembly)
*b	Front view of wire harness connector (to No. 4 Antenna Cord Sub-assembly)

Disconnect the antenna connector from the navigation antenna assembly.

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

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
A-3 - B-1	Always	Below 1 Ω
A-3a - B-1a	Always	Below 1 Ω
A-3 - Body ground	Always	10 kΩ or higher

Result:

Proceed to
OK
NG

3.INSPECT NO. 4 ANTENNA CORD SUB-ASSEMBLY

REPLACE ANTENNA CORD SUB-ASSEMBLY

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>RADIO ANTENNA CORD (for Instrument Panel)>REMOVAL201910,202004,_56,_083086,_0400675,RM100000001J9BU,202004,202104,_56,_083086,_0400675,RM100000001MM42,202104,202304,_56,_083086,_0400675,RM100000001WFBZ,202304,202405,_56,_083086,_0400675,RM1000000029SYT,202405,202409,_56,_083086,_0400675,RM100000002LRB0,202409,999999,_56,_083086,_0400675,RM100000002NFYQ,

3.INSPECT NO. 4 ANTENNA CORD SUB-ASSEMBLY

1.5,0.417 1.917,0.667 0.417,0.25 1.5,2.698 1.917,2.948 0.417,0.25 2.135,4.219 1.76,3.865 true 2.688,2 2.531,1.625 true 0.49,0.344 0.802,0.542 0.313,0.198 10 false *a 2.177,4.208 2.49,4.406 0.313,0.198 10 false 1a 2.646,2.031 2.958,2.229 0.313,0.198 10 false 1a 1.667,0.458 1.979,0.656 0.313,0.198 10 false B 0.49,2.635 0.802,2.833 0.313,0.198 10 false *b 1.531,2.74 1.958,2.906 0.427,0.167 10 false ANT2

*a	Front view of wire harness connector (to Antenna Cord Sub-assembly)
*b	Front view of wire harness connector (to Telematics Transceiver)

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

Disconnect the antenna connector from the telematics transceiver.

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
B-1 - ANT2-1	Always	Below 1 Ω
B-1a - ANT2-1a	Always	Below 1 Ω
B-1 - Body ground	Always	10 kΩ or higher

Result:

Proceed to
OK
NG

4.REPLACE NAVIGATION ANTENNA ASSEMBLY

REPLACE NO. 4 ANTENNA CORD SUB-ASSEMBLY

Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS TRANSCEIVER>REMOVAL201910,202004,_56,_083087,_0400686,RM100000001J9CX,202004,202104,_56,_083087,_0400686,RM100000001MJEF,202104,202304,_56,_083087,_0400686,RM100000001W6EO,202304,999999,_56,_083087,_0400686,RM1000000029SYO,

4.REPLACE NAVIGATION ANTENNA ASSEMBLY

Replace the navigation antenna assembly with a new or known good one.

Click hereAudio / Visual / Telematics>TELEMATICS>TELEPHONE ANTENNA (for Instrument Panel)>REMOVAL201910,202004,_56,_083087,_0402583,RM100000001JJKF,202004,202104,_56,_083087,_0402583,RM100000001MM44,202104,202304,_56,_083087,_0402583,RM100000001WFC1,202304,202405,_56,_083087,_0402583,RM1000000029SYH,202405,202409,_56,_083087,_0402583,RM100000002LRB3,202409,999999,_56,_083087,_0402583,RM100000002NFZ6,

Clear the DTCs.

Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS SYSTEM>DTC CHECK / CLEAR201910,999999,_56,_083087,_0402655,RM100000001JJZZ,

Body Electrical > Telematics > Clear DTCs: 50002 459

Recheck for DTCs and check that no DTCs are output.

Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS SYSTEM>DTC CHECK / CLEAR201910,999999,_56,_083087,_0402655,RM100000001JJZZ,

Body Electrical > Telematics > Trouble Codes: 50001 459

OK:: No DTCs are output.

Result:

Proceed to
OK
NG

END (NAVIGATION ANTENNA ASSEMBLY IS DEFECTIVE)

5.REPLACE TELEMATICS TRANSCEIVER

Replace the telematics transceiver with a new one.

Result:

Proceed to
NEXT

PERFORM REGISTRATION

Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS SYSTEM>REGISTRATION201910,202304,_56,_083087,_0402655,RM100000001JJZW,202304,999999,_56,_083087,_0402655,RM1000000029YMH,