Dodge Durango (HB). Manual — part 171
B1478-CHANNEL 5 AUDIO SPEAKER OUTPUT CIRCUIT SHORTED TOGETHER (CONTINUED)
3.
CHECK THE (X205) AMPLIFIED LEFT REAR DOOR SPEAKER (+) CIRCUIT, AND THE (X295) AMPLIFIED
LEFT REAR DOOR SPEAKER (-) CIRCUITS FOR A SHORT TOGETHER
Turn the ignition off.
Disconnect the Amplifier C1 harness connector.
Measure the resistance between the (X205) Amplified Left Rear Door
Speaker (+) circuit, and the (X295) Amplified Left Rear Door Speaker
(-) circuit.
Is the resistance below 10K ohms?
Yes
>> Repair the (X205) Amplified Left Rear Door Speaker (+)
circuit, and the (X295) Amplified Left Rear Door Speaker
(-) circuit for a short together.
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 - 125
B1479-CHANNEL 6 AUDIO SPEAKER OUTPUT CIRCUIT PERFORMANCE
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
With the ignition on.
•
Set Condition:
This DTC will set if a DC offset occurs on the output channel, the amplifier shall set a DTC after a maturity
rate of 5 ±1 sec.
Possible Causes
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: B1479-CHANNEL 6 AUDIO
SPEAKER OUTPUT CIRCUIT PERFORMANCE?
Yes
>> Replace the Amplifier in accordance with the service infor-
mation.
Perform BODY VERIFICATION TEST VER-1.
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.
8A - 126
AUDIO/VIDEO SYSTEMS - ELECTRICAL DIAGNOSIS
HB
B147A-CHANNEL 6 AUDIO SPEAKER OUTPUT CIRCUIT LOW
HB
AUDIO/VIDEO SYSTEMS - ELECTRICAL DIAGNOSIS
8A - 127
B147A-CHANNEL 6 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
(X206) AMPLIFIED RIGHT REAR DOOR SPEAKER (+) CIRCUIT SHORTED TO GROUND
(X296) AMPLIFIED RIGHT REAR DOOR SPEAKER (-) CIRCUIT SHORTED TO GROUND
RIGHT REAR DOOR 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: B147A-CHANNEL 6 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 (X206) AMPLIFIED RIGHT REAR DOOR SPEAKER (+) CIRCUIT FOR A SHORT TO GROUND
Disconnect the Amplifier C1 harness connector.
Measure the resistance between ground and the (X206) Amplified
Right Rear Door Speaker (+) circuit.
Is the resistance below 10K ohms?
Yes
>> Repair the (X206) Amplified Right Rear Door Speaker (+)
circuit for a short to ground.
Perform BODY VERIFICATION TEST VER-1.
No
>> Go To 3
8A - 128
AUDIO/VIDEO SYSTEMS - ELECTRICAL DIAGNOSIS
HB
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