Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 281
B1471-CHANNEL 4 AUDIO SPEAKER OUTPUT CIRCUIT HIGH
For a complete wiring diagram Refer to Section 8W.
8A - 50
AUDIO - ELECTRICAL DIAGNOSTICS
LX
•
When Monitored:
•
With the ignition on.
•
Set Condition:
•
The Amplifier detects a short to battery condition on the output circuit.
Possible Causes
(X202) AMPLIFIED RIGHT FRONT DOOR SPEAKER (+) CIRCUIT SHORT TO VOLTAGE
(X292) AMPLIFIED RIGHT FRONT DOOR 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: B1471-CHANNEL 4 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 (X202) AMPLIFIED RIGHT FRONT DOOR SPEAKER (+) CIRCUIT
Turn the ignition off.
Disconnect the Amplifier C1 harness connector.
Disconnect the Amplified Right Front Door Speaker harness connector.
Turn the ignition on.
Measure for voltage on the (X202) Amplified Right Front Door Speaker (+) circuit.
Is the voltage above 10.0 volts?
Yes
>> Repair the (X202) Amplified Right Front Door Speaker (+) circuit for a short to voltage.
Perform BODY VERIFICATION TEST VER-1.
No
>> Go To 3
3.
CHECK FOR VOLTAGE ON THE (X292) AMPLIFIED RIGHT FRONT DOOR SPEAKER (-) CIRCUIT
Measure for voltage on the (X292) Amplified Right Front Door Speaker (-) circuit.
Is the voltage above 10.0 volts?
Yes
>> Repair the (X292) Amplified Right Front Door Speaker (-) circuit for a short to voltage.
Perform BODY VERIFICATION TEST VER-1.
No
>> Replace the Amplifier in accordance with the service information.
Perform BODY VERIFICATION TEST VER-1.
LX
AUDIO - ELECTRICAL DIAGNOSTICS
8A - 51
B1472-CHANNEL 4 AUDIO SPEAKER OUTPUT CIRCUIT OPEN
For a complete wiring diagram Refer to Section 8W.
8A - 52
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
(X202) AMPLIFIED RIGHT FRONT DOOR SPEAKER (+) CIRCUIT OPEN
(X292) AMPLIFIED RIGHT FRONT DOOR SPEAKER (-) CIRCUIT OPEN
RIGHT FRONT DOOR 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: B1472-CHANNEL 4 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 RIGHT FRONT DOOR SPEAKER
Disconnect the Right Front Door 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 Right Front Door Speaker circuits
in the Amplified Right Front Door Speaker harness connector.
Is the voltage present greater than 1 volt?
Yes
>> Replace the Amplified Right Front Door Speaker in accordance with the service information.
Perform BODY VERIFICATION TEST VER-1.
No
>> Go To 3
3.
CHECK THE (X202) AMPLIFIED RIGHT FRONT DOOR SPEAKER (+) CIRCUIT FOR AN OPEN
Turn the ignition off.
Disconnect the Amplifier C1 harness connector.
Measure the resistance of the (X202) Amplified Right Front Door Speaker (+) circuit between the Amplifier C1 har-
ness connector and the Amplified Right Front Door Speaker harness connector.
Is the resistance below 5.0 ohms?
Yes
>> Go To 4
No
>> Repair the (X202) Amplified Right Front Door Speaker (+) circuit for an open.
Perform BODY VERIFICATION TEST VER-1.
LX
AUDIO - ELECTRICAL DIAGNOSTICS
8A - 53
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст