Dodge Dakota (ND). Manual — part 163
B1472-CHANNEL 4 AUDIO SPEAKER OUTPUT CIRCUIT OPEN
8A - 110
AUDIO/VIDEO SYSTEMS - ELECTRICAL DIAGNOSIS
ND
B1472-CHANNEL 4 AUDIO SPEAKER OUTPUT CIRCUIT OPEN (CONTINUED)
For the Amplifier circuit diagram (Refer to 8 - ELECTRICAL/AUDIO - SCHEMATICS AND DIAGRAMS).
For a complete wiring diagram Refer to Section 8W.
•
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/schematic
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 accor-
dance with the service information.
Perform BODY VERIFICATION TEST VER-1.
No
>> Go To 3
ND
AUDIO/VIDEO SYSTEMS - ELECTRICAL DIAGNOSIS
8A - 111
B1472-CHANNEL 4 AUDIO SPEAKER OUTPUT CIRCUIT OPEN (CONTINUED)
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 harness 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.
4.
CHECK THE (X292) AMPLIFIED RIGHT FRONT DOOR SPEAKER (-) CIRCUIT FOR AN OPEN
Turn the ignition off.
Disconnect the Amplifier C1 harness connector.
Measure the resistance of the (X292) Amplified Right Front Door
Speaker (-) circuit between the Amplifier C1 harness connector and
the Amplified Right Front Door Speaker harness connector.
Is the resistance below 5.0 ohms?
Yes
>> Replace the Amplifier in accordance with the service infor-
mation.
Perform BODY VERIFICATION TEST VER-1.
No
>> Repair the (X292) Amplified Right Front Door Speaker (-)
circuit for an open.
Perform BODY VERIFICATION TEST VER-1.
8A - 112
AUDIO/VIDEO SYSTEMS - ELECTRICAL DIAGNOSIS
ND
B1473-CHANNEL 4 AUDIO SPEAKER OUTPUT CIRCUIT SHORTED TOGETHER
ND
AUDIO/VIDEO SYSTEMS - ELECTRICAL DIAGNOSIS
8A - 113
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