Lexus NX: Satellite Radio Broadcast cannot be Received
WIRING DIAGRAM
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CAUTION / NOTICE / HINT
NOTICE:
- Some satellite radio broadcasts require payment. A contract must be made between a satellite radio company and the user. If the contract expires, it will not be possible to listen to the broadcast.
-
When replacing the radio receiver assembly, always replace it with a new one.
If a radio receiver assembly which was installed to another vehicle is used, the following may occur:
- A communication malfunction DTC may be stored.
- The radio 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.
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PROCEDURE
| 1. | CHECK SURROUNDINGS |
(a) Check if the vehicle is in an environment where reception is difficult due to something blocking the area above the vehicle.
HINT:
If the area above the vehicle is blocked, such as when in a building or tunnel, reception may not be possible.
| *a | Example | *b | In a tunnel |
| *c | In a building | *d | Under an overpass |
| *e | On a forest or tree-lined path | *f | Between tall buildings |
| *g | Under a cliff or overhang | - | - |
OK:
Area above vehicle is not blocked.
| NG | .gif) | END (MOVE VEHICLE TO LOCATION WHERE RECEPTION IS BETTER) |
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| 2. | CHECK RADIO RECEIVER ASSEMBLY |
(a) Check if CH001 (free broadcast) can be received.
OK:
CH001 can be received.
| NG | | GO TO STEP 6 |
|
| 3. | CHECK DISPLAY SETTING |
(a) Check the display screen.
| Result | Proceed to |
|---|---|
| "UNAUTH" is displayed | A |
| "-----" is displayed | B |
| None of the displays above are shown | C |
| B | | THERE IS NO SONG/PROGRAM TITLE OR ARTIST NAME/FEATURE ASSOCIATED WITH CHANNEL AT THAT TIME |
| C | | GO TO STEP 6 |
|
| 4. | CHECK CONTRACT CONDITIONS |
(a) Check if the pay-type contract has been extended, or if the contract period has ended.
OK:
Pay-type contract is valid.
| NG | | TO RECEIVE PAY-TYPE BROADCASTS, CONTRACT MUST BE MADE WITH SATELLITE RADIO TUNER COMPANY |
|
| 5. | PERFORM ACTIVATION REFRESH |
(a) Perform activation refresh by referring to the satellite radio service website (http://www.siriusxm.com).
HINT:
The Sirius XM radio ID that is necessary to perform activation refresh can be displayed when CH000 is selected on the satellite radio.
OK:
Malfunction disappears.
| OK | | END |
| NG | | PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| 6. | CHECK DISPLAY |
(a) Check the display screen.
| Result | Proceed to |
|---|---|
| "ANTENNA" is displayed | A |
| "NO SIGNAL" is displayed | B |
| "LOADING" is displayed | |
| "OFF AIR" is displayed | C |
| After "CH UNAVL" is displayed, display automatically switches to CH001 | D |
| None of the displays above are shown | E |
| B | | END (MOVE VEHICLE TO LOCATION WHERE RECEPTION IS BETTER) |
| C | | CHANNEL IS CURRENTLY NOT BEING BROADCAST. BROADCAST CAN BE LISTENED TO OR VIEWED WHEN IT IS BACK ON AIR (CONFIRM WITH RADIO STATION) |
| D | | CHANNEL BROADCAST HAS ENDED (CONFIRM WITH RADIO STATION) |
| E | | GO TO STEP 11 |
|
| 7. | CHECK NO. 4 ANTENNA CORD SUB-ASSEMBLY |
| (a) Disconnect the antenna connector from the roof antenna assembly. |
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(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 |
|---|---|---|
| A-3 - B-3 | Always | Below 1 Ω |
| A-3a - B-3a | Always | Below 1 Ω |
| A-3 - Body ground | Always | 10 kΩ or higher |
| A-3a - Body ground | Always | 10 kΩ or higher |
| NG | | REPLACE NO. 4 ANTENNA CORD SUB-ASSEMBLY |
|
| 8. | CHECK NO. 2 ANTENNA CORD SUB-ASSEMBLY |
| (a) Disconnect the antenna connector from the No. 4 antenna cord sub-assembly. |
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(b) Disconnect the antenna connector from the No. 1 antenna cord sub-assembly.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| B-3 - C-3 | Always | Below 1 Ω |
| B-3a - C-3a | Always | Below 1 Ω |
| B-3 - Body ground | Always | 10 kΩ or higher |
| B-3a - Body ground | Always | 10 kΩ or higher |
| NG | | REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY |
|
| 9. | CHECK NO. 1 ANTENNA CORD SUB-ASSEMBLY |
| (a) Disconnect the antenna connector from the No. 2 antenna cord sub-assembly. |
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(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 |
|---|---|---|
| C-3 - D-1 (SXM) | Always | Below 1 Ω |
| C-3a - D-1a | Always | Below 1 Ω |
| C-3 - Body ground | Always | 10 kΩ or higher |
| C-3a - Body ground | Always | 10 kΩ or higher |
| NG | | REPLACE NO. 1 ANTENNA CORD SUB-ASSEMBLY |
|
| 10. | CHECK ROOF ANTENNA ASSEMBLY |
(a) Replace the roof antenna assembly with a new or known good one and check if the same problem occurs again.
Click here
OK:
Malfunction disappears.
| OK | | END (ROOF ANTENNA ASSEMBLY IS DEFECTIVE) |
| NG | | REPLACE RADIO RECEIVER ASSEMBLY |
| 11. | CONFIRM CURRENTLY SELECTED CHANNEL |
(a) Confirm if CH000 is currently selected.
OK:
CH000 is selected
| OK | | END (CH000 HAS NO SOUND. SELECT ANOTHER CHANNEL) |
| NG | | PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
READ NEXT:
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Problem Symptoms Table
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