Dodge Dakota (ND). Manual — part 155
B1466-CHANNEL 2 AUDIO SPEAKER OUTPUT CIRCUIT LOW
8A - 78
AUDIO/VIDEO SYSTEMS - ELECTRICAL DIAGNOSIS
ND
B1466-CHANNEL 2 AUDIO SPEAKER OUTPUT CIRCUIT LOW (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:
With the ignition on.
•
Set Condition:
The Amplifier detects a shorted to ground condition on the speaker output circuit.
Possible Causes
(X208) AMPLIFIED RIGHT FRONT I/P SPEAKER (+) CIRCUIT SHORTED TO GROUND
(X298) AMPLIFIED RIGHT FRONT I/P SPEAKER (-) CIRCUIT SHORTED TO GROUND
RIGHT FRONT I/P 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: B1466-CHANNEL 2 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/schematic
as a guide, inspect the wiring and connectors.
Perform BODY VERIFICATION TEST VER-1.
2.
CHECK THE (X208) AMPLIFIED RIGHT FRONT I/P SPEAKER (+) CIRCUIT FOR A SHORT TO GROUND
Disconnect the Amplifier C2 harness connector.
Measure the resistance between ground and the (X208) Amplified
Right Front I/P Speaker (+) circuit.
Is the resistance below 10K ohms?
Yes
>> Repair the (X208) Amplified Right Front I/P Speaker (+)
circuit for a short to ground.
Perform BODY VERIFICATION TEST VER-1.
No
>> Go To 3
ND
AUDIO/VIDEO SYSTEMS - ELECTRICAL DIAGNOSIS
8A - 79
B1466-CHANNEL 2 AUDIO SPEAKER OUTPUT CIRCUIT LOW (CONTINUED)
3.
CHECK THE (X298) AMPLIFIED RIGHT FRONT I/P SPEAKER (-) CIRCUIT FOR A SHORT TO GROUND
Measure the resistance between ground and the (X298) Amplified
Right Front I/P Speaker (-) circuit.
Is the resistance below 10K ohms?
Yes
>> Repair the (X298) Amplified Right Front I/P Speaker (-) for
a short to ground.
Perform BODY VERIFICATION TEST VER-1.
No
>> Go To 4
4.
CHECK OPERATION OF THE AMPLIFIED RIGHT FRONT I/P SPEAKER
Turn the ignition off.
Reconnect and reinstall the Right Front I/P Speaker.
Measure the resistance of the speaker circuit between the Amplifier C2
harness connector and ground..
Is the resistance below 10K ohms?
Yes
>> Replace the Right Front I/P Speaker in accordance with
the service information.
Perform BODY VERIFICATION TEST VER-1.
No
>> Replace the Amplifier in accordance with the service infor-
mation.
Perform BODY VERIFICATION TEST VER-1.
8A - 80
AUDIO/VIDEO SYSTEMS - ELECTRICAL DIAGNOSIS
ND
B1467-CHANNEL 2 AUDIO SPEAKER OUTPUT CIRCUIT HIGH
ND
AUDIO/VIDEO SYSTEMS - ELECTRICAL DIAGNOSIS
8A - 81
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