Dodge Durango (HB). Manual — part 172
B147A-CHANNEL 6 AUDIO SPEAKER OUTPUT CIRCUIT LOW (CONTINUED)
3.
CHECK THE (X296) AMPLIFIED RIGHT REAR DOOR SPEAKER (-) CIRCUIT FOR A SHORT TO GROUND
Measure the resistance between ground and the (X296) Amplified
Right Rear Door Speaker (-) circuit.
Is the resistance below 10K ohms?
Yes
>> Repair the (X296) Amplified Right Rear Door Speaker (-)
for a short to ground.
Perform BODY VERIFICATION TEST VER-1.
No
>> Go To 4
4.
CHECK OPERATION OF THE AMPLIFIED RIGHT REAR DOOR SPEAKER
Turn the ignition off.
Reconnect and reinstall the Right Rear Door Speaker.
Measure the resistance of the speaker circuit between the Amplifier C1
harness connector and ground..
Is the resistance below 10K ohms?
Yes
>> Replace the Right Rear Door 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.
HB
AUDIO/VIDEO SYSTEMS - ELECTRICAL DIAGNOSIS
8A - 129
B147B-CHANNEL 6 AUDIO SPEAKER OUTPUT CIRCUIT HIGH
8A - 130
AUDIO/VIDEO SYSTEMS - ELECTRICAL DIAGNOSIS
HB
B147B-CHANNEL 6 AUDIO SPEAKER OUTPUT CIRCUIT HIGH (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 short to battery condition on the output circuit.
Possible Causes
(X206) AMPLIFIED RIGHT REAR DOOR SPEAKER (+) CIRCUIT SHORT TO VOLTAGE
(X296) AMPLIFIED RIGHT REAR 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: B147B-CHANNEL 6 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/schematic
as a guide, inspect the wiring and connectors.
Perform BODY VERIFICATION TEST VER-1.
2.
CHECK FOR VOLTAGE ON THE (X206) AMPLIFIED RIGHT REAR DOOR SPEAKER (+) CIRCUIT
Turn the ignition off.
Disconnect the Amplifier C1 harness connector.
Disconnect the Amplified Right Rear Door Speaker harness connector.
Turn the ignition on.
Measure for voltage on the (X206) Amplified Right Rear Door Speaker
(+) circuit.
Is the voltage above 10.0 volts?
Yes
>> Repair the (X206) Amplified Right Rear Door Speaker (+)
circuit for a short to voltage.
Perform BODY VERIFICATION TEST VER-1.
No
>> Go To 3
HB
AUDIO/VIDEO SYSTEMS - ELECTRICAL DIAGNOSIS
8A - 131
B147B-CHANNEL 6 AUDIO SPEAKER OUTPUT CIRCUIT HIGH (CONTINUED)
3.
CHECK FOR VOLTAGE ON THE (X296) AMPLIFIED RIGHT REAR SPEAKER SPEAKER (-) CIRCUIT
Measure for voltage on the (X296) Amplified Right Rear Door Speaker
(-) circuit.
Is the voltage above 10.0 volts?
Yes
>> Repair the (X296) Amplified Right Rear Door 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.
8A - 132
AUDIO/VIDEO SYSTEMS - ELECTRICAL DIAGNOSIS
HB
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