Dodge Dakota (ND). Manual — part 143
B140B-REAR LEFT AUDIO SPEAKER OUTPUT CIRCUIT OPEN (CONTINUED)
For the Audio system circuit diagram (Refer to 8 - ELECTRICAL/AUDIO - SCHEMATICS AND DIAGRAMS).
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
•
With the Radio on.
•
Set Condition:
•
When the Output circuit is open for more than 3 seconds. The Radio will not set the fault if the radio confirms
an amplifier is on the BUS.
Possible Causes
SPEAKER
(X57) (X51) LEFT REAR SPEAKER OUTPUT CIRCUIT
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.
Diagnostic Test
1.
Intermittent Condition
Turn the ignition on.
With the Scan Tool, clear all Audio DTC’s.
Turn the Radio on.
With the Scan Tool, read the DTC information.
Does the Scan Tool read: B140B-REAR LEFT AUDIO SPEAKER
OUTPUT CIRCUIT OPEN?
Yes
>> Go To 2
No
>> The condition that caused the symptom is currently not
present. Inspect the related wiring for a possible intermit-
tent condition. Look for any chafed, pierced, pinched, or
partially broken wires.
Perform the BODY VERIFICATION TEST VER 1.
2.
(X57) (X51) Speaker Output circuits.
Turn the ignition off.
Disconnect the Radio C1 harness connector.
Disconnect the Rear Left Audio Speaker connector.
Measure the resistance of each speaker (X51)(+) and (X57)(-) circuit between the Radio and the Speaker.
Is the resistance below 5.0 ohms for each circuit?
Yes
>> Go To 3
No
>> Repair the applicable Output Speaker circuit for an open condition.
Perform the BODY VERIFICATION TEST VER 1.
8A - 30
AUDIO/VIDEO SYSTEMS - ELECTRICAL DIAGNOSIS
ND
B140B-REAR LEFT AUDIO SPEAKER OUTPUT CIRCUIT OPEN (CONTINUED)
3.
Speaker
Turn the ignition off.
Disconnect the Rear Left Audio Speaker.
Turn the ignition on.
Turn the Radio on.
With the Scan Tool, clear all Audio DTC’s.
With the Scan Tool, read the DTC information.
Does the Scan Tool read: B140B-REAR LEFT AUDIO SPEAKER OUTPUT CIRCUIT OPEN?
Yes
>> Replace the Speaker in accordance with the service information.
Perform the BODY VERIFICATION TEST VER 1.
No
>> Test Complete.
ND
AUDIO/VIDEO SYSTEMS - ELECTRICAL DIAGNOSIS
8A - 31
B140D-REAR RIGHT AUDIO SPEAKER OUTPUT CIRCUIT LOW
8A - 32
AUDIO/VIDEO SYSTEMS - ELECTRICAL DIAGNOSIS
ND
B140D-REAR RIGHT AUDIO SPEAKER OUTPUT CIRCUIT LOW (CONTINUED)
For the Audio system circuit diagram (Refer to 8 - ELECTRICAL/AUDIO - SCHEMATICS AND DIAGRAMS).
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
•
With the Radio on.
•
Set Condition:
•
When the Output circuit is LOW for more than 3 seconds.
Possible Causes
SPEAKER
(X58) (X52) RIGHT REAR SPEAKER OUTPUT CIRCUIT
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.
Diagnostic Test
1.
Intermittent Condition
Turn the ignition on.
With the Scan Tool, clear all Audio DTC’s.
Turn the Radio on.
With the Scan Tool, read the DTC information.
Does
the
Scan
Tool
read:
B140D-REAR
RIGHT
AUDIO
SPEAKER OUTPUT CIRCUIT LOW?
Yes
>> Go To 2
No
>> The condition that caused the symptom is currently not
present. Inspect the related wiring for a possible intermit-
tent condition. Look for any chafed, pierced, pinched, or
partially broken wires.
Perform the BODY VERIFICATION TEST VER 1.
2.
(X58) (X52) Speaker Output circuits.
Turn the ignition off.
Disconnect the Radio C1 harness connector.
Disconnect the Rear Right Audio Speaker connector.
Measure the resistance between ground and each speaker (X58)(+) and (X52)(-) circuit.
Is the resistance below 1000.0 ohms for each circuit?
Yes
>> Repair the applicable Speaker (+) or (-) Output circuit for a short to ground condition.
No
>> Go To 3
ND
AUDIO/VIDEO SYSTEMS - ELECTRICAL DIAGNOSIS
8A - 33
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