Pinpoint Test J: The Satellite Radio Is Inoperative Or Has Poor Reception/No Sound
Information and Entertainment System
Pinpoint Test J: The Satellite Radio Is Inoperative Or Has Poor Reception/No Sound
Normal Operation
Digital signals are received by the satellite radio antenna and sent to the Audio Control Module (ACM) through the satellite radio antenna cable. The satellite radio receiver is built-in to the ACM (Audio Control Module).
A short to ground in the satellite radio antenna typically has no effect on the antenna signal. However, an open in the antenna circuit can result in no sound from the satellite radio system. A short to voltage in the antenna circuit can have varying effects on the system.
When a satellite radio subscription is activated, the Electronic Serial Number (ESN) of the built-in satellite receiver is associated with the Vehicle Identification Number (VIN). As a result, the ACM (Audio Control Module) cannot be swapped from one vehicle to another.
If there is an open in the satellite radio antenna circuit, there is no satellite audio. The audio system display indicates a satellite antenna concern when the audio system is operated in satellite radio mode.
- DTC B1A89:11 (Satellite Antenna: Circuit Short to Ground)- set by the ACM (Audio Control Module) when a short to ground is detected in the satellite antenna circuit. This DTC can be either continuous or on-demand.
- DTC B1A89:13 (Satellite Antenna: Circuit Open)- set by the ACM (Audio Control Module) when an open is detected in the satellite antenna circuit. This DTC can be either continuous or on-demand.
- DTC U3000:96 (Control Module: Component Internal Failure)- set by the ACM (Audio Control Module) when a fault is detected in the internal satellite radio receiver. This results in complete loss of satellite radio functionality, and of HD Radio(R) functionality (if equipped).
This pinpoint test is intended to diagnose the following:
- Obstructions to the antenna line of sight
- No channel found in the selected category
- Subscription status
- Satellite radio antenna
- Satellite radio antenna cable
- ACM (Audio Control Module)
PINPOINT TEST J : THE SATELLITE RADIO IS INOPERATIVE OR HAS POOR RECEPTION/NO SOUND
NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.
J1 CHECK THE DTCs
- Clear the ACM (Audio Control Module) DTCs.
- Repeat the ACM (Audio Control Module) self-test.
Are any DTCs present?
Yes
If DTC B1A89:11 or DTC B1A89:13 is present, GO to J4.
If DTC U3000:96 is present, INSTALL a new ACM (Audio Control Module). REFER to Audio Control Module (ACM) . TEST the system for normal operation.
For all other DTCs, REFER to DTC Charts Accessories and Optional Equipment.
No
For a satellite radio concern, GO to J2.
For an HD Radio(R) concern, VERIFY the customer setting. REFER to the Owner's Literature. RETEST the system operation. If the concern is still present, GO to J6.
J2 VERIFY AN ACTIVE SUBSCRIPTION
- Operate the audio system in satellite radio mode and observe the infotainment display.
Does the display indicate the subscription has expired?
Yes
The subscription has expired. INFORM the customer to contact Sirius to reactivate the subscription.
No
GO to J3.
J3 CHECK THE RECEPTION AND CATEGORY FILTER SETTING
- Turn the category filter function off. Refer to the Owner's Literature.
- Drive the vehicle to an open location, free of obstacles.
- Scan for a good channel.
Does the satellite audio system find a good channel with normal reception?
Yes
The system is operating correctly at this time. The concern was a result of no channel being found in the selected category or obstructions to the antenna line of sight.
No
GO to J4.
J4 CHECK THE SATELLITE RADIO ANTENNA CABLE RESISTANCE
- Ignition OFF.
- Disconnect: Satellite Radio Antenna Connection At ACM (Audio Control Module).
- Disconnect: Satellite Radio Antenna Cable In-Line Connection At RH Kick Panel.
- Disconnect: Satellite Radio Antenna Connection At Satellite Radio Antenna.
- Measure the resistance of the upper satellite radio antenna cable core between the satellite radio antenna and the satellite radio antenna in-line connection; and between the upper satellite radio antenna cable core and shield.
- Measure the resistance of the lower satellite radio antenna cable core between the ACM (Audio Control Module) and the satellite radio antenna in-line connection; and between the lower satellite radio antenna cable core and shield.
Is the resistance of each satellite radio antenna cable core less than 1 ohm, and the resistance between the core and shield of each satellite radio antenna cable greater than 10,000 ohms?
Yes
GO to J5.
No
INSTALL a new upper or lower satellite radio antenna cable, as necessary. REFER to Antenna Cable - AM/FM/Satellite Radio . CLEAR any DTCs present. TEST the system for normal operation.
J5 ISOLATE THE SATELLITE RADIO ANTENNA
- Connect: Satellite Radio Antenna Connection At ACM (Audio Control Module).
- Connect: Satellite Radio Antenna Cable In-Line Connection At RH Kick Panel.
- Install a new satellite radio antenna. Refer to Antenna- AM/FM/Satellite Radio .
- Drive the vehicle to an open location, free of obstacles.
- Operate the audio system in satellite radio mode.
Does the system operate correctly?
Yes
The concern was caused by an inoperative satellite radio antenna. The system is operating correctly at this time.
No
GO to J6.
J6 CHECK FOR CORRECT ACM (Audio Control Module) OPERATION
- Ignition OFF.
- Disconnect all the ACM (Audio Control Module) connectors.
- Check for:
- corrosion
- damaged pins
- pushed-out pins
- Connect all the ACM (Audio Control Module) connectors and make sure they seat correctly.
- Operate the system and determine if the concern is still present.
Is the concern still present?
Yes
INSTALL a new ACM (Audio Control Module). REFER to Audio Control Module (ACM) . TEST the system for normal operation.
No
The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.