RM35X0E _56 Audio / Visual / Telematics _078377 AUDIO / VIDEO _0383454 AUDIO AND VISUAL SYSTEM(for Radio Receiver Type) J

AUDIO / VIDEO  AUDIO AND VISUAL SYSTEM(for Radio Receiver Type)  Radio Broadcast cannot be Received or Poor Reception  


WIRING DIAGRAM

E408097E04
1.396,2 2.885,2.521 1.49,0.521 10 false No. 1 Amplifier Antenna Assembly 5.615,0.333 5.75,0.51 0.135,0.177 10 false 3 5.927,0.552 6.5,0.729 0.573,0.177 10 false MAIN 5.594,1.271 5.729,1.448 0.135,0.177 10 false 5 5.917,1.469 6.49,1.646 0.573,0.177 10 false ANT+ 4.583,2.052 5.49,2.406 0.906,0.354 10 false Antenna Cord Sub-assembly 5.563,0.552 5.833,0.74 0.271,0.188 10 false RA 5.865,1.938 6.823,2.302 0.958,0.365 10 false Radio Receiver Assembly 3.135,2.083 4.375,2.458 1.24,0.375 10 false No. 2 Antenna Cord Sub-assembly 5.573,1.01 5.844,1.198 0.271,0.188 10 false RA 5.552,1.479 5.823,1.667 0.271,0.188 10 false RA 5.615,0.802 5.885,0.99 0.271,0.188 10 false 4 4.323,1.01 4.594,1.198 0.271,0.188 10 false B 4.323,1.469 4.594,1.656 0.271,0.188 10 false B 4.313,0.344 4.448,0.521 0.135,0.177 10 false 4 4.271,0.792 4.542,0.979 0.271,0.188 10 false 4a 4.313,1.271 4.458,1.531 0.146,0.26 10 false 2 3.031,0.552 3.302,0.74 0.271,0.188 10 false A 3.042,1.01 3.313,1.198 0.271,0.188 10 false A 3.042,1.479 3.313,1.667 0.271,0.188 10 false A 3.031,0.323 3.167,0.5 0.135,0.177 10 false 1 3.01,0.792 3.281,0.979 0.271,0.188 10 false 1a 3.042,1.271 3.313,1.458 0.271,0.188 10 false 3 0.167,0.563 1.385,1.146 1.219,0.583 10 false Roof Antenna Pole Assembly 4.323,0.552 4.594,0.74 0.271,0.188 10 false B

PROCEDURE

1.CHECK RADIO RECEIVER ASSEMBLY
a.

Check the radio automatic station search function by activating it.

OK:

Automatic station search function stops on a station.



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.CHECK OPTIONAL COMPONENTS
2.CHECK OPTIONAL COMPONENTS
a.

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

OK:

Optional components are not installed.


NOTICE:

Do not remove optional components without the permission of the customer.



Result:
Proceed to
OK
NG



OK

3.CHECK RADIO RECEIVER ASSEMBLY

NG

REMOVE OPTIONAL COMPONENTS AND CHECK AGAIN (SEE NOTICE ABOVE)

3.CHECK RADIO RECEIVER ASSEMBLY
a.
E245523

Preparation for check

i.

Disconnect the RA radio receiver assembly connector.



b.

Check for noise

i.

Turn the ignition switch to ACC with the radio receiver assembly connector connected.


ii.

Turn the radio receiver assembly on and enter AM mode.


iii.

Place a screwdriver, thin wire or other metal object on the radio receiver assembly antenna jack and check that noise can be heard from the speakers.

OK:

Noise can be heard from the speakers.




Result:
Proceed to
OK
NG



OK

4.INSPECT RADIO RECEIVER ASSEMBLY

NG

REPLACE RADIO RECEIVER ASSEMBLY

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>RADIO RECEIVER>REMOVAL


4.INSPECT RADIO RECEIVER ASSEMBLY
a.

Disconnect the RA radio receiver assembly connector.


b.
E188455C37
1.521,1.094 1.115,1.448 true 0.115,0.083 0.292,0.25 0.177,0.167 10 false *a 0.802,1.469 1.198,1.635 0.396,0.167 10 false ANT+
*a Component without harness connected
(Radio Receiver Assembly)


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

Standard Voltage:
Tester Connection Switch Condition Specified Condition
5 (ANT+) - Body ground Ignition switch ACC
Radio switch on and FM or AM selected 		11 to 14 V



Result:
Proceed to
OK
NG



OK

5.CHECK NO. 2 ANTENNA CORD SUB-ASSEMBLY

NG

REPLACE RADIO RECEIVER ASSEMBLY

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>RADIO RECEIVER>REMOVAL


5.CHECK NO. 2 ANTENNA CORD SUB-ASSEMBLY
a.
E408099C01
0.385,0.823 0.854,1.073 0.469,0.25 0.406,2.521 0.875,2.771 0.469,0.25 2.615,1.26 2.458,1.26 2.458,1.26 2.042,0.833 true 2.188,2.677 2.583,2.135 2.583,2.135 2.792,2.135 true 2.688,1.188 3.146,1.385 0.458,0.198 10 false 1a 2.844,2.052 3.302,2.25 0.458,0.198 10 false 4a 0.125,0.073 0.583,0.271 0.458,0.198 10 false *a 0.146,1.677 0.604,1.875 0.458,0.198 10 false *b 0.573,0.865 1.031,1.063 0.458,0.198 10 false A 0.604,2.563 1.063,2.76 0.458,0.198 10 false B
*a Front view of wire harness connector
(to No. 1 Amplifier Antenna Assembly)
*b Front view of wire harness connector
(to Antenna Cord Sub-assembly)


Disconnect the antenna connector from the No. 1 amplifier 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
A-1 - B-4 Always Below 1 Ω
A-1a - B-4a Always Below 1 Ω
A-3 - B-2 Always Below 1 Ω
A-1 - Body ground Always 10 kΩ or higher
A-3 - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

6.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


6.CHECK ANTENNA CORD SUB-ASSEMBLY
a.
E408098C02
0.302,0.771 0.719,1.01 0.417,0.24 0.417,2.542 0.833,2.781 0.417,0.24 1.115,3.229 1.271,3.229 1.271,3.229 1.521,2.896 true 1.031,1.51 1.188,1.51 1.188,1.51 1.438,1.177 true 2.302,3.208 2.156,3.208 2.156,3.208 1.708,2.906 true 2.573,2.927 2.427,2.927 2.427,2.927 1.979,2.625 true 0.073,0.167 0.385,0.365 0.313,0.198 10 false *a 0.063,1.625 0.375,1.823 0.313,0.198 10 false *b 0.469,0.813 0.781,1.01 0.313,0.198 10 false B 0.51,2.583 0.823,2.781 0.313,0.198 10 false RA 2.354,3.115 2.865,3.323 0.51,0.208 10 false MAIN 0.823,1.417 1.135,1.615 0.313,0.198 10 false 4a 2.635,2.823 3.146,3.031 0.51,0.208 10 false ANT+ 1.01,3.135 1.521,3.344 0.51,0.208 10 false 4
*a Front view of wire harness connector
(to No. 2 Antenna Cord Sub-assembly)
*b Front view of wire harness connector
(to Radio Receiver Assembly)


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


b.

Disconnect the antenna connector from the radio receiver assembly.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
B-4 - RA-3 (MAIN) Always Below 1 Ω
B-4a - RA-4 Always Below 1 Ω
B-2 - RA-5 (ANT+) Always Below 1 Ω
B-4 - Body ground Always 10 kΩ or higher
B-2 - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

7.CHECK NO. 1 AMPLIFIER ANTENNA ASSEMBLY

NG

REPLACE ANTENNA CORD SUB-ASSEMBLY

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


7.CHECK NO. 1 AMPLIFIER ANTENNA ASSEMBLY
a.

Replace the No. 1 amplifier antenna assembly and check if radio broadcasts can be received normally.

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>AMPLIFIER ANTENNA>REMOVAL

OK:

Radio broadcasts can be received normally.



Result:
Proceed to
OK
NG



OK

END (NO. 1 AMPLIFIER ANTENNA ASSEMBLY IS DEFECTIVE)

NG

8.CHECK ROOF ANTENNA POLE SUB-ASSEMBLY
8.CHECK ROOF ANTENNA POLE SUB-ASSEMBLY
a.

Replace the roof antenna pole sub-assembly and check if radio broadcasts can be received normally.

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

OK:

Radio broadcasts can be received normally.



Result:
Proceed to
OK
NG



OK

END (ROOF ANTENNA POLE SUB-ASSEMBLY IS DEFECTIVE)

NG

REPLACE RADIO RECEIVER ASSEMBLY

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>RADIO RECEIVER>REMOVAL