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1
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VERIFY OTHER CONNECTIVITY MASTER UNIT (CMU) DTCs
• Clear the DTC recorded in the memory. (Refer to the [CLEARING DTC] in the workshop manual)
• Perform the DTC inspection for the connectivity master unit (CMU). (Refer to the [DTC INSPECTION] in the workshop manual)
• Are any of the following DTCs displayed?
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― U0186:02
― U0186:08
― U2145:02
― U2145:08
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Yes
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Repair the malfunctioning location according to the applicable DTC troubleshooting.
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No
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Go to the next step.
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2
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VERIFY IF Sirius XM SATELLITE RADIO CAN BE RECEIVED
• Switch the ignition ON (engine off or on) and display the Sirius SM satellite radio screen on the center display.
• Can the Sirius XM satellite radio be received?
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Yes
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Verify that the repairs have been completed.
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No
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Go to the next step.
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3
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VERIFY SIGNAL STRENGTH OF Sirius XM SATELLITE RADIO
• Display the [SiriusXM Authentication] using the diagnostic assist function.
• Does the signal display indicate [NO SIGNAL]?
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Yes
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Go to the next step.
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No
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Verify that the repairs have been completed.
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4
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INSPECT Sirius XM SATELLITE RADIO ANTENNA AMPLIFIER CONNECTOR FOR MALFUNCTION
• Inspect the applicable connector and terminal. (Refer to the [CONNECTOR INSPECTION] in the workshop manual)
• Are the connector and terminal normal?
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Yes
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Go to the next step.
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No
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Repair or replace the malfunctioning location and perform the repair completion verification.
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5
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INSPECT REMOTE TUNER (RT) CONNECTOR FOR MALFUNCTION
• Inspect the applicable connector and terminal. (Refer to the [CONNECTOR INSPECTION] in the workshop manual)
• Are the connector and terminal normal?
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Yes
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Go to the next step.
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No
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Repair or replace the malfunctioning location and perform the repair completion verification.
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6
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INSPECT Sirius XM SATELLITE RADIO ANTENNA AMPLIFIER SIGNAL CIRCUIT FOR SHORT TO GROUND
• Inspect the applicable circuit for a short to ground. (Refer to the [CIRCUIT INSPECTION] in the workshop manual)
• Is the circuit normal?
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Yes
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Go to the next step.
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No
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Repair or replace the malfunctioning location and perform the repair completion verification.
(Refer to the [ANTENNA FEEDER NO.1 REMOVAL/INSTALLATION] in the workshop manual) (4SD)
(Refer to the [ANTENNA FEEDER NO.2 REMOVAL/INSTALLATION] in the workshop manual) (5HB/WGN)
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7
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INSPECT Sirius XM SATELLITE RADIO ANTENNA AMPLIFIER SIGNAL CIRCUIT FOR SHORT TO POWER SUPPLY
• Inspect the applicable circuit for a short to power supply. (Refer to the [CIRCUIT INSPECTION] in the workshop manual)
• Is the circuit normal?
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Yes
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Go to the next step.
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No
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Repair or replace the malfunctioning location and perform the repair completion verification.
(Refer to the [ANTENNA FEEDER NO.1 REMOVAL/INSTALLATION] in the workshop manual) (4SD)
(Refer to the [ANTENNA FEEDER NO.2 REMOVAL/INSTALLATION] in the workshop manual) (5HB/WGN)
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8
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DETERMINE MALFUNCTIONING LOCATION
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Note
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• If there is no response, move the vehicle outside (in environment where radio signal is not interrupted or obstructed) and verify the display again.
• Replace the Sirius XM satellite radio antenna amplifier. (Refer to the [ANTENNA FEEDER NO.1 REMOVAL/INSTALLATION] in the workshop manual) (4SD)
(Refer to the [ANTENNA FEEDER NO.2 REMOVAL/INSTALLATION] in the workshop manual) (5HB/WGN)
• Display the [SiriusXM Authentication] using the diagnostic assist function.
• Does the signal display indicate [GOOD] or [MARGINAL]?
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Yes
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Verify that the repairs have been completed.
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No
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Put back the Sirius XM satellite radio antenna amplifier that was replaced, replace the remote tuner (RT), and perform the repair completion verification.
(Refer to the [ANTENNA FEEDER NO.1 REMOVAL/INSTALLATION] in the workshop manual) (4SD)
(Refer to the [ANTENNA FEEDER NO.2 REMOVAL/INSTALLATION] in the workshop manual) (5HB/WGN)
(Refer to the [REMOTE TUNER (RT) REMOVAL/INSTALLATION] in the workshop manual)
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Repair completion verification 1
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VERIFY THAT VEHICLE IS REPAIRED
• Install/connect the part removed/disconnected during the troubleshooting procedure.
• Clear the DTC recorded in the memory. (Refer to the [CLEARING DTC] in the workshop manual)
• Perform the DTC inspection for the connectivity master unit (CMU). (Refer to the [DTC INSPECTION] in the workshop manual)
• Is the same Pending DTC present?
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Yes
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Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.
(Refer to the [CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW] in the workshop manual)
If the CAN communication is normal, perform the diagnosis from Step 1.
• If the malfunction recurs, replace the remote tuner (RT), then go to the next step. (Refer to the [REMOTE TUNER (RT) REMOVAL/INSTALLATION] in the workshop manual)
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No
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Go to the next step.
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Repair completion verification 2
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VERIFY IF OTHER DTCs ARE DISPLAYED
• Perform the DTC inspection. (Refer to the [DTC INSPECTION] in the workshop manual)
• Is a DTC displayed?
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Yes
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Repair the malfunctioning location according to the applicable DTC troubleshooting.
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No
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DTC troubleshooting completed.
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