Dodge Dakota (ND). Manual — part 159
B146C-CHANNEL 3 AUDIO SPEAKER OUTPUT CIRCUIT HIGH
8A - 94
AUDIO/VIDEO SYSTEMS - ELECTRICAL DIAGNOSIS
ND
B146C-CHANNEL 3 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
(X201) AMPLIFIED LEFT FRONT DOOR SPEAKER (+) CIRCUIT SHORT TO VOLTAGE
(X291) AMPLIFIED LEFT FRONT 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: B146C-CHANNEL 3 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 (X201) AMPLIFIED LEFT FRONT DOOR SPEAKER (+) CIRCUIT
Turn the ignition off.
Disconnect the Amplifier C1 harness connector.
Disconnect the Amplified Left Front Door Speaker harness connector.
Turn the ignition on.
Measure for voltage on the (X201) Amplified Left Front Door Speaker
(+) circuit.
Is the voltage above 10.0 volts?
Yes
>> Repair the (X201) Amplified Left Front Door Speaker (+)
circuit for a short to voltage.
Perform BODY VERIFICATION TEST VER-1.
No
>> Go To 3
ND
AUDIO/VIDEO SYSTEMS - ELECTRICAL DIAGNOSIS
8A - 95
B146C-CHANNEL 3 AUDIO SPEAKER OUTPUT CIRCUIT HIGH (CONTINUED)
3.
CHECK FOR VOLTAGE ON THE (X291) AMPLIFIED LEFT FRONT DOOR SPEAKER (-) CIRCUIT
Measure for voltage on the (X291) Amplified Left Front Door Speaker
(-) circuit.
Is the voltage above 10.0 volts?
Yes
>> Repair the (X291) Amplified Left Front 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 - 96
AUDIO/VIDEO SYSTEMS - ELECTRICAL DIAGNOSIS
ND
B146D-CHANNEL 3 AUDIO SPEAKER OUTPUT CIRCUIT OPEN
ND
AUDIO/VIDEO SYSTEMS - ELECTRICAL DIAGNOSIS
8A - 97
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