Dodge Ram Truck 1500-2500-3500. Manual — part 258
RIGHT FRONT DOOR AND LEFT REAR CHANNELS SHORT ACROSS (CONTINUED)
2.
RIGHT FRONT DOOR AND LEFT REAR SPEAKER CIRCUITS SHORTED
Turn the ignition off.
Access and disconnect the Right Front Door Speaker harness connec-
tor.
Access and disconnect the Left Rear Speaker harness connector.
Access and disconnect the Amplifier C2 harness connector.
Measure the resistance of the Right Front Door Speaker (+) and (-)
circuits.
Measure the resistance of the Left Rear Speaker (+) and (-) circuits.
Is the resistance below 5.0 ohms on each measurement?
Yes
>> Repair both Speaker (+) and (-) circuits 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.
8A - 34
AUDIO - ELECTRICAL DIAGNOSTICS
DR/DH
RIGHT FRONT DOOR AND RIGHT REAR CHANNELS SHORT ACROSS
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:
When the DRBIII
T
performs the Speaker Output test.
•
Set Condition:
When the Right Front Door Speaker and Right Rear Speaker circuits are simultaneously shorted.
Possible Causes
RIGHT FRONT DOOR AND RIGHT REAR CHANNELS SHORTED ACROSS
RIGHT FRONT DOOR AND RIGHT REAR SPEAKER CIRCUITS SHORTED
RIGHT FRONT DOOR SPEAKER AND RIGHT REAR SPEAKER
AMPLIFIER
1.
RIGHT FRONT DOOR AND RIGHT REAR CHANNELS SHORTED ACROSS
NOTE: NOTE: The fault condition must be present to continue
diagnosis. Use the DRBIII
T
to perform the Amplifier pretest to ver-
ify the fault condition is present before continuing diagnosis.
NOTE: NOTE: Amplifier speaker circuits are both shorted simul-
taneously.
Turn the ignition off.
Access and disconnect the Right Front Door and Right Rear Speaker
harness connectors.
Turn the ignition on.
With the DRBIII
T
, perform the Amplifier pretest.
Is the fault condition still present?
Yes
>> Go To 2
No
>> Replace the Right Front Door and Right Rear Speakers in
accordance with the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
DR/DH
AUDIO - ELECTRICAL DIAGNOSTICS
8A - 35
RIGHT FRONT DOOR AND RIGHT REAR CHANNELS SHORT ACROSS (CONTINUED)
2.
RIGHT FRONT DOOR AND RIGHT REAR SPEAKER CIRCUITS SHORTED
Turn the ignition off.
Access and disconnect the Right Front Door Speaker harness connec-
tor.
Access and disconnect the Right Rear Speaker harness connector.
Access and disconnect the Amplifier C2 harness connector.
Measure the resistance of the Right Front Door Speaker (+) and (-)
circuits.
Measure the resistance of the Right Rear Speaker (+) and (-) circuits.
Is the resistance below 5.0 ohms on each measurement?
Yes
>> Repair both Speaker (+) and (-) circuits 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.
8A - 36
AUDIO - ELECTRICAL DIAGNOSTICS
DR/DH
REAR SPEAKERS SHORT TOGETHER OR TO GROUND
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:
When the DRBIII
T
performs the Speaker Output Test.
•
Set Condition:
Each Amplifier rear channel is shorted together or to ground.
Possible Causes
RIGHT REAR SPEAKER
LEFT REAR SPEAKER
REAR SPEAKER CIRCUIT SHORTED TO GROUND
REAR SPEAKER CIRCUITS SHORTED TOGETHER
AMPLIFIER
1.
RIGHT REAR SPEAKER
NOTE: NOTE: The fault condition must be
present to continue diagnosis. Use the DRB III
to perform the Amplifier Pre-test to verify the
fault condition is present before continuing
diagnosis.
Turn the ignition off.
Access and disconnect the Right Rear Speaker har-
ness connector.
Turn the ignition on.
Using the DRB III, perform the Amplifier Pre-test.
Is the fault condition still present?
Yes
>> Go To 2
No
>> Replace the Right Rear Speaker in
accordance with the service information.
Perform BODY VERIFICATION TEST -
VER 1.
2.
LEFT REAR SPEAKER
Turn the ignition off.
Access and disconnect the Left Rear Speaker harness connector.
Turn the ignition on.
Using the DRB III, perform the Amplifier Pre-test.
Is the fault condition still present?
Yes
>> Go To 3
No
>> Replace the Left Rear Speaker in accordance with the service information.
Perform BODY VERIFICATION TEST - VER 1.
DR/DH
AUDIO - ELECTRICAL DIAGNOSTICS
8A - 37
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