Audio; All Channels Short Together Or To Ground - Dodge Ram 2004 Service Manual

AUDIO

Symptom:

ALL CHANNELS SHORT TOGETHER OR TO GROUND

When Monitored and Set Condition:
ALL CHANNELS SHORT TOGETHER OR TO GROUND
When Monitored: When the DRBIII performs the Speaker Output test.
Set Condition: Each Amplifier channel is shorted together or to ground.
ALL CHANNELS SHORTED TO GROUND
SPEAKER CHANNELS SHORTED TOGETHER
AMPLIFIER
TEST
1 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.
NOTE: Inspect the Amplifier harness connector and terminals for damage
that could cause several terminals/circuits to contact each other. Repair as
necessary.
Turn the ignition off.
Disconnect the Amplifier C2 harness connector.
Measure the resistance between ground and each of the Speaker (+) and (-) circuits
(12 circuits total).
Is the resistance below 1000 ohms for any of the measurements?
Yes → Repair the circuits that measured below 1000 ohms for a short to
→ Go To 2
No
2 Turn the ignition off.
Disconnect the Amplifier C2 harness connector.
Disconnect each speaker harness connector (7 total).
Measure the resistance between each Speaker (+) and (-) circuits and every other
Speaker circuit.
Is the resistance below 1000 ohms for any of the measurements?
Yes → Repair the circuits that measured below 1000 ohms for a short
→ Replace the Amplifier in accordance with the service information.
No
POSSIBLE CAUSES
ACTION
ground.
Perform BODY VERIFICATION TEST - VER 1.
together.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
182
APPLICABILITY
All
All