Chrysler 300/300 Touring/300C, Dodge Magnum. Manual - part 298
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When Monitored:
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With the Radio on.
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Set Condition:
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When the Output circuit is LOW for more than 3 seconds.
Possible Causes
SPEAKER
(X304) (X394) RIGHT REAR SPEAKER OUTPUT CIRCUIT
Diagnostic Test
1.
Intermittent Condition
Turn the ignition on.
With the Scan Tool, clear all Audio DTC’s.
Turn the Radio on.
With the Scan Tool, read the DTC information.
Does the Scan Tool read: B140D-REAR RIGHT AUDIO SPEAKER OUTPUT CIRCUIT LOW?
Yes
>> Go To 2
No
>> The condition that caused the symptom is currently not present. Inspect the related wiring for a possible
intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires.
Perform the BODY VERIFICATION TEST VER 1.
2.
(X304) (X394) Speaker Output circuits.
Turn the ignition off.
Disconnect the Radio C1 harness connector.
Disconnect the Rear Right Audio Speaker connector.
Measure the resistance between ground and each speaker (X304)(+) and (X394)(-) circuit.
Is the resistance below 1000.0 ohms for each circuit?
Yes
>> Repair the applicable Speaker (+) or (-) Output circuit for a short to ground condition.
No
>> Go To 3
3.
Speaker
Turn the ignition off.
Disconnect the Rear Right Audio Speaker.
Turn the ignition on.
Turn the Radio on.
With the Scan Tool, clear all Audio DTC’s.
With the Scan Tool, read the DTC information.
Does the Scan Tool read: B140D-REAR RIGHT AUDIO SPEAKER OUTPUT CIRCUIT LOW?
Yes
>> Replace the Speaker in accordance with the service information.
Perform the BODY VERIFICATION TEST VER 1.
No
>> Test Complete.
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AUDIO - ELECTRICAL DIAGNOSTICS
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