Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 296
B1409-REAR LEFT AUDIO SPEAKER OUTPUT CIRCUIT LOW
For a complete wiring diagram Refer to Section 8W.
8A - 110
AUDIO - ELECTRICAL DIAGNOSTICS
LX
•
When Monitored:
•
With the Radio on.
•
Set Condition:
•
When the Output circuit is LOW for more than 3 seconds.
Possible Causes
SPEAKER
(X303) (X393) LEFT 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: B1409-REAR LEFT 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.
(X303) (X393) SPEAKER OUTPUT CIRCUITS.
Turn the ignition off.
Disconnect the Radio C1 harness connector.
Disconnect the Rear Left Audio Speaker connector.
Measure the resistance between ground and each speaker (X303)(+) and (X393)(-) 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 Left 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: B1409-REAR LEFT 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.
LX
AUDIO - ELECTRICAL DIAGNOSTICS
8A - 111
B140A-REAR LEFT AUDIO SPEAKER OUTPUT CIRCUIT HIGH
For a complete wiring diagram Refer to Section 8W.
8A - 112
AUDIO - ELECTRICAL DIAGNOSTICS
LX
Possible Causes
SPEAKER
(X303) SPEAKER OUTPUT CIRCUIT (+)
(X393) SPEAKER OUTPUT CIRCUIT (-)
Diagnostic Test
1.
INTERMITTENT CONDITION
Turn the ignition on, then off, and then on again.
With the scan tool, read Radio DTCs.
Does the scan tool display active: B140A-REAR LEFT AUDIO SPEAKER OUTPUT CIRCUIT HIGH?
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 FOR VOLTAGE ON THE (X303) SPEAKER (+) CIRCUIT
Turn the ignition off.
Disconnect the Radio C1 harness connector.
Disconnect the Left Rear Speaker harness connector.
Measure for voltage on the (X303) Speaker (+) circuit.
Is the voltage above 10.0 volts?
Yes
>> Repair the (X303) Speaker (+) circuit for a short to voltage.
Perform BODY VERIFICATION TEST VER-1.
No
>> Go To 3
LX
AUDIO - ELECTRICAL DIAGNOSTICS
8A - 113
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