Chrysler 300/300 Touring/300C, Dodge Magnum. Manual - part 286
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When Monitored:
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With the ignition on.
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Set Condition:
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The Amplifier detects a shorted to ground condition on the speaker output circuit.
Possible Causes
(X304) AMPLIFIED RIGHT REAR DOOR SPEAKER (+) CIRCUIT SHORTED TO GROUND
(X394) AMPLIFIED RIGHT REAR DOOR SPEAKER (-) CIRCUIT SHORTED TO GROUND
RIGHT REAR DOOR SPEAKER
AMPLIFIER
Diagnostic Test
1.
CHECK FOR AN INTERMITTENT CONDITION
Turn the ignition on, then off, and then on again.
With the scan tool, read Amplifier DTCs.
Does the scan tool display active: B147A-CHANNEL 6 AUDIO SPEAKER OUTPUT CIRCUIT LOW?
Yes
>> Go To 2
No
>> The conditions that caused this code to set are not present at this time. Using the wiring diagram/sche-
matic as a guide, inspect the wiring and connectors.
Perform BODY VERIFICATION TEST VER-1.
2.
CHECK THE (X304) AMPLIFIED RIGHT REAR DOOR SPEAKER (+) CIRCUIT FOR A SHORT TO GROUND
Disconnect the Amplifier C1 harness connector.
Measure the resistance between ground and the (X304) Amplified Right Rear Door Speaker (+) circuit.
Is the resistance below 10K ohms?
Yes
>> Repair the (X304) Amplified Right Rear Door Speaker (+) circuit for a short to ground.
Perform BODY VERIFICATION TEST VER-1.
No
>> Go To 3
3.
CHECK THE (X394) AMPLIFIED RIGHT REAR DOOR SPEAKER (-) CIRCUIT FOR A SHORT TO GROUND
Measure the resistance between ground and the (X394) Amplified Right Rear Door Speaker (-) circuit.
Is the resistance below 10K ohms?
Yes
>> Repair the (X394) Amplified Right Rear Door Speaker (-) for a short to ground.
Perform BODY VERIFICATION TEST VER-1.
No
>> Go To 4
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AUDIO - ELECTRICAL DIAGNOSTICS
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