Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 272
•
When Monitored:
•
With the ignition on.
•
Set Condition:
•
The Amplifier detects a short to battery condition on the output circuit.
Possible Causes
(X209) AMPLIFIED LEFT I/P SPEAKER (+) CIRCUIT SHORT TO VOLTAGE
(X299) AMPLIFIED LEFT I/P SPEAKER (-) CIRCUIT SHORT TO VOLTAGE
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: B1462-CHANNEL 1 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 (X209) AMPLIFIED LEFT I/P SPEAKER (+) CIRCUIT
Turn the ignition off.
Disconnect the Amplifier C2 harness connector.
Disconnect the Amplified Left I/P Speaker harness connector.
Turn the ignition on.
Measure for voltage on the (X209) Amplified Left I/P Speaker (+) circuit.
Is the voltage above 10.0 volts?
Yes
>> Repair the (X209) Amplified Left I/P Speaker (+) circuit for a
short to voltage.
Perform BODY VERIFICATION TEST VER-1.
No
>> Go To 3
8A - 14
AUDIO - ELECTRICAL DIAGNOSTICS
LX
3.
CHECK FOR VOLTAGE ON THE (X299) AMPLIFIED LEFT I/P SPEAKER (-) CIRCUIT
Measure for voltage on the (X299) Amplified Left I/P Speaker (-) circuit.
Is the voltage above 10.0 volts?
Yes
>> Repair the (X299) Amplified Left I/P Speaker (-) circuit for a
short to voltage.
Perform BODY VERIFICATION TEST VER-1.
No
>> Replace the Amplifier in accordance with the service infor-
mation.
Perform BODY VERIFICATION TEST VER-1.
LX
AUDIO - ELECTRICAL DIAGNOSTICS
8A - 15
B1463-CHANNEL 1 AUDIO SPEAKER OUTPUT CIRCUIT OPEN
For a complete wiring diagram Refer to Section 8W.
8A - 16
AUDIO - ELECTRICAL DIAGNOSTICS
LX
•
When Monitored:
•
Amplifier Bus wake-up. Amplifier reset with scan tool.
•
Set Condition:
•
The Amplifier detects an open condition on the speaker output circuit.
Possible Causes
(X209) AMPLIFIED LEFT I/P SPEAKER (+) CIRCUIT OPEN
(X299) AMPLIFIED LEFT I/P SPEAKER (-) CIRCUIT OPEN
LEFT FRONT I/P SPEAKER
AMPLIFIER
Diagnostic Test
1.
CHECK FOR AN INTERMITTENT CONDITION
Turn the ignition on.
Turn the radio on.
With the scan tool, erase Amplifier DTCs.
With the scan tool, reset the amplifier.
With the scan tool, read Amplifier DTCs.
Does the scan tool display active: B1463-CHANNEL 1 AUDIO SPEAKER OUTPUT CIRCUIT OPEN?
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 OPERATION OF THE LEFT FRONT I/P SPEAKER
Disconnect the Left I/P Speaker harness connector.
Turn the radio on and turn the volume to mid level.
With a voltmeter set to read in A/C voltage, measure the voltage of the
Amplified Left I/P Speaker circuits in the Amplified Left I/P Speaker har-
ness connector.
Is the voltage present greater than 1 volt?
Yes
>> Replace the Amplified Left I/P Speaker in accordance with
the service information.
Perform BODY VERIFICATION TEST VER-1.
No
>> Go To 3
LX
AUDIO - ELECTRICAL DIAGNOSTICS
8A - 17
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