Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 283
B1475-CHANNEL 5 AUDIO SPEAKER OUTPUT CIRCUIT LOW
For a complete wiring diagram Refer to Section 8W.
8A - 58
AUDIO - ELECTRICAL DIAGNOSTICS
LX
•
When Monitored:
•
With the ignition on.
•
Set Condition:
•
The Amplifier detects a shorted to ground condition on the speaker output circuit.
Possible Causes
(X393) AMPLIFIED LEFT REAR DOOR SPEAKER (+) CIRCUIT SHORTED TO GROUND
(X303) AMPLIFIED LEFT REAR DOOR SPEAKER (-) CIRCUIT SHORTED TO GROUND
LEFT 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: B1475-CHANNEL 5 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 (X393) AMPLIFIED LEFT REAR DOOR SPEAKER (+) CIRCUIT FOR A SHORT TO GROUND
Disconnect the Amplifier C1 harness connector.
Measure the resistance between ground and the (X393) Amplified Left Rear Door Speaker (+) circuit.
Is the resistance below 10K ohms?
Yes
>> Repair the (X393) Amplified Left Rear Door Speaker (+) circuit for a short to ground.
Perform BODY VERIFICATION TEST VER-1.
No
>> Go To 3
3.
CHECK THE (X303) AMPLIFIED LEFT REAR DOOR SPEAKER (-) CIRCUIT FOR A SHORT TO GROUND
Measure the resistance between ground and the (X303) Amplified Left Rear Door Speaker (-) circuit.
Is the resistance below 10K ohms?
Yes
>> Repair the (X303) Amplified Left Rear Door Speaker (-) for a short to ground.
Perform BODY VERIFICATION TEST VER-1.
No
>> Go To 4
LX
AUDIO - ELECTRICAL DIAGNOSTICS
8A - 59
4.
CHECK OPERATION OF THE AMPLIFIED LEFT REAR DOOR SPEAKER
Turn the ignition off.
Reconnect and reinstall the Left Rear Door Speaker.
Measure the resistance of the speaker circuit between the Amplifier C1 harness connector and ground..
Is the resistance below 10K ohms?
Yes
>> Replace the Left Rear Door Speaker in accordance with the service information.
Perform BODY VERIFICATION TEST VER-1.
No
>> Replace the Amplifier in accordance with the service information.
Perform BODY VERIFICATION TEST VER-1.
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AUDIO - ELECTRICAL DIAGNOSTICS
LX
B1476-CHANNEL 5 AUDIO SPEAKER OUTPUT CIRCUIT HIGH
For a complete wiring diagram Refer to Section 8W.
LX
AUDIO - ELECTRICAL DIAGNOSTICS
8A - 61
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