RM35X0E _56 Audio / Visual / Telematics _078377 AUDIO / VIDEO _0385463 AUDIO AND VISUAL SYSTEM(for Radio and Display Type) C

AUDIO / VIDEO  AUDIO AND VISUAL SYSTEM(for Radio and Display Type)  B157D  DAB Tuner Antenna Disconnected  


DESCRIPTION

This DTC is stored when a malfunction occurs in the DAB tuner antenna which is connected to the radio and display receiver assembly.

DTC No. Detection Item DTC Detection Condition Trouble Area
B157D DAB Tuner Antenna Disconnected The DAB tuner antenna is not connected
·

Windshield Glass (DAB Antenna)

·

No. 2 Antenna cord sub-assembly

·

Antenna cord sub-assembly

·

Radio and display receiver assembly



WIRING DIAGRAM

E412465E01
1.417,3.458 2.979,4.021 1.563,0.563 10 false Windshield Glass (DAB Antenna) 3.052,3.26 4.281,3.625 1.229,0.365 10 false No. 2 Antenna Cord Sub-assembly 4.469,3.24 5.396,3.75 0.927,0.51 10 false Antenna Cord Sub-assembly 5.688,3.885 6.938,4.323 1.25,0.438 10 false Radio and Display Receiver Assembly 5.74,0.385 6.302,0.729 0.563,0.344 10 false DAB 2.927,0.385 3.125,0.552 0.198,0.167 10 false A 4.167,0.396 4.365,0.563 0.198,0.167 10 false B 5.406,0.177 5.604,0.344 0.198,0.167 10 false 1 4.156,1.521 4.354,1.688 0.198,0.167 10 false B 5.313,0.385 5.656,0.646 0.344,0.26 10 false DAB 4.156,0.198 4.354,0.365 0.198,0.167 10 false 3 4.135,1.302 4.333,1.469 0.198,0.167 10 false 3a 5.323,1.531 5.646,1.771 0.323,0.24 10 false DAB 4.896,0.396 5.219,0.594 0.323,0.198 10 false DAB 2.927,1.521 3.125,1.688 0.198,0.167 10 false A 3.208,0.396 3.531,0.594 0.323,0.198 10 false DAB 3.635,0.396 3.958,0.594 0.323,0.198 10 false DAB 5.365,1.313 5.563,1.479 0.198,0.167 10 false 1a 2.917,0.188 3.115,0.354 0.198,0.167 10 false 1 2.885,1.313 3.083,1.479 0.198,0.167 10 false 1a 2.385,0.396 2.708,0.594 0.323,0.198 10 false DAB

CAUTION / NOTICE / HINT

NOTICE:
·

Check that the wire harness is properly installed and does not have any sharp bends, pinching or loose connections.

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

·

When replacing the radio and display receiver assembly, always replace it with a new one. If a radio and display receiver assembly which was installed to another vehicle is used, the following may occur:

-

A communication malfunction DTC may be stored.

-

The radio and display receiver assembly may not operate normally.




HINT:

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

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>AUDIO AND VISUAL SYSTEM (for Radio and Display Type)>PRECAUTION


PROCEDURE

2.CHECK OPTIONAL COMPONENTS
a.

Check if any optional components that may decrease reception capacity, such as a telephone antenna, are installed.

OK:

Optional components are installed.


NOTICE:

Do not remove optional components without permission of the customer.



Result:
Proceed to
OK
NG



OK

REMOVE OPTIONAL COMPONENTS AND CHECK AGAIN (SEE NOTICE ABOVE)

NG

3.CHECK WINDSHIELD GLASS (WINDOW GLASS ANTENNA WIRE)
3.CHECK WINDSHIELD GLASS (WINDOW GLASS ANTENNA WIRE)
a.
E111994C29
0.75,1.115 0.594,0.688 true 1.094,1.896 0.979,1.625 true 2.302,1.656 2.188,1.385 true 0.479,0.51 0.656,0.688 0.177,0.177 10 false *a 1.094,1.906 1.271,2.083 0.177,0.177 10 false *b 2.271,1.677 2.448,1.854 0.177,0.177 10 false *c
*a Tester Probe
*b Antenna Wire
*c Tin Foil


Check for continuity in the windshield glass antenna wire.

HINT:

Check for continuity at the center of each antenna wire as shown in the illustration.


NOTICE:

When cleaning the glass, wipe it in the direction of the wire with a soft dry cloth. Take care not to damage the wire. Do not use detergents or glass cleaners with abrasive ingredients. When measuring resistance, wrap a piece of tin foil around the tip of each probe and press the foil against the wire with your finger as shown in the illustration.


OK:

There is continuity in the door glass antenna wire.



Result:
Proceed to
OK
NG



OK

4.CHECK NO. 2 ANTENNA CORD SUB-ASSEMBLY

NG

REPAIR WINDSHIELD GLASS (WINDOW GLASS ANTENNA WIRE)

4.CHECK NO. 2 ANTENNA CORD SUB-ASSEMBLY
a.
E412467C02
1.5,1.75 1.875,2 0.375,0.25 0.51,0.708 0.885,0.958 0.375,0.25 1.781,0.969 2.063,1.292 2.063,1.292 2.26,1.292 true 1.635,2.771 1.927,3.125 1.927,3.125 2.115,3.125 true 1.729,0.813 2.323,0.448 2.323,0.448 2.521,0.448 true 0.75,2.99 0.938,2.99 0.938,2.99 1.542,2.625 true 1.656,1.802 1.813,2 0.156,0.198 10 false B 0.646,0.76 0.802,0.958 0.156,0.198 10 false A 2.333,1.198 2.646,1.396 0.313,0.198 10 false 1a 2.156,3.031 2.469,3.229 0.313,0.198 10 false 1a 0.073,0.104 0.302,0.323 0.229,0.219 10 false *a 0.021,1.656 0.25,1.875 0.229,0.219 10 false *b 2.594,0.385 3.188,0.625 0.594,0.24 10 false DAB 0.406,2.917 1,3.156 0.594,0.24 10 false DAB
*a Front view of wire harness connector
(to Antenna Cord Sub-assembly)
*b Front view of wire harness connector
(to Windshield Glass [DAB Antenna])


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


b.

Disconnect the antenna connector from the windshield glass (DAB Antenna).


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
B-3 (DAB) - A-1 (DAB) Always Below 1 Ω
B-3a - A-1a Always Below 1 Ω
B-3 (DAB) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

5.CHECK ANTENNA CORD SUB-ASSEMBLY

NG

REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>RADIO ANTENNA CORD (for Roof Side)>REMOVAL


5.CHECK ANTENNA CORD SUB-ASSEMBLY
a.
E412466C02
0.469,0.75 0.885,0.99 0.417,0.24 1.49,1.823 1.906,2.063 0.417,0.24 1.948,1.104 2.396,1.469 2.396,1.469 2.625,1.469 true 1.604,2.677 1.135,1.917 1.135,1.917 0.906,1.917 true 1.865,1.021 1.677,1.51 1.677,1.51 1.427,1.51 true 1.74,2.771 2.188,3.135 2.188,3.135 2.417,3.135 true 0.635,0.781 0.948,0.979 0.313,0.198 10 false B 0.167,0.177 0.479,0.375 0.313,0.198 10 false *a 1.552,1.854 1.865,2.052 0.313,0.198 10 false DAB 0.188,1.479 0.5,1.677 0.313,0.198 10 false *b 2.667,1.385 2.958,1.677 0.292,0.292 10 false 3a 0.688,1.823 1,2.021 0.313,0.198 10 false 1a 1.063,1.417 1.458,1.615 0.396,0.198 10 false DAB 2.479,3.063 2.875,3.26 0.396,0.198 10 false DAB
*a Front view of wire harness connector
(to No. 2 Antenna Cord Sub-assembly)
*b Front view of wire harness connector
(to Radio and Display Receiver Assembly)


Disconnect the antenna connector from the radio and display receiver assembly.


b.

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


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
DAB-1 (DAB) - B-3 (DAB) Always Below 1 Ω
DAB-1a - B-3a Always Below 1 Ω
DAB-1 (DAB) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

6.REPLACE WINDSHIELD GLASS (DAB ANTENNA)

NG

REPLACE ANTENNA CORD SUB-ASSEMBLY

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>RADIO ANTENNA CORD (for Instrument Panel Side)>REMOVAL