Chrysler Concorde 2004 Service Manual page 1034

AUDIO
Symptom:
LOSS OF COMMUNICATION ON PRIVATE BUS - SDARS
When Monitored and Set Condition:
LOSS OF COMMUNICATION ON PRIVATE BUS - SDARS
When Monitored: With the ignition in run, and the IOD fuse installed.
Set Condition: The radio does not receive any messages from the Satellite Receiver for at
least 12 seconds.
AUDIO BUS 2 SHORT TO GROUND
AUDIO BUS 2 OPEN
AUDIO BUS 2 SHORT TO VOLTAGE
AUDIO BUS 1 OPEN
AUDIO BUS 1 SHORT TO GROUND
AUDIO BUS 1 SHORT TO VOLTAGE
RADIO INTERNAL FAILURE
TEST
1 Turn the ignition off.
Disconnect the Satellite Receiver Module harness connectors.
Disconnect the Satellite Radio Multiplexer harness connectors.
Measure the resistance between ground and the Audio Bus 2 circuit.
Is the resistance below 100 ohms?
Yes → Repair the Audio Bus 2 circuit for a short to ground between the
No
2 Turn the ignition off.
Disconnect the Satellite Receiver Module harness connectors.
Disconnect the Satellite Radio Multiplexer harness connectors.
Measure the resistance of the Audio Bus 2 circuit between the Satellite Receiver
Module and the Multiplexer.
Is the resistance below 5.0 ohms?
Yes → Go To 3
No
POSSIBLE CAUSES
ACTION
Satellite Receiver Module and the Multiplexer.
Perform BODY VERIFICATION TEST - VER 1.
→ Go To 2
→ Repair the Audio Bus 2 circuit for an open between the Satellite
Receiver Module and the Multiplexer.
Perform BODY VERIFICATION TEST - VER 1.
12
APPLICABILITY
All
All