All Inputs No Activity - Dodge Ram 2004 Service Manual

Symptom:

ALL INPUTS NO ACTIVITY

When Monitored and Set Condition:
ALL INPUTS NO ACTIVITY
When Monitored: When the DRBIII performs the amplifier Input Test.
Set Condition: The Amplifier detects no activity on any of the input circuits.
(+) CIRCUIT SHORTED TO GROUND
(-) CIRCUIT SHORTED TO GROUND
OPEN SPEAKER CIRCUITS
AMPLIFIER
RADIO
TEST
1 NOTE: The fault condition must be present to continue diagnosis. Use the
DRBIII to perform the Amplifier pretest to verify the fault condition is
present before continuing diagnosis.
Turn the ignition off.
Disconnect the Amplifier C1 harness connector.
Disconnect the Radio harness connector.
Measure the resistance between ground and any speaker (+) circuit.
Is the resistance below 1000.0 (1K) ohms?
Yes → Repair the speaker (+) circuit for a short to ground.
→ Go To 2
No
2 Turn the ignition off.
Disconnect the Amplifier C1 harness connector.
Disconnect the Radio harness connector.
Measure the resistance between ground and any speaker (-) circuit.
Is the resistance below 1000.0 (1K) ohms?
Yes → Repair the speaker (-) circuit for a short to ground.
→ Go To 3
No
POSSIBLE CAUSES
ACTION
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
183
AUDIO
APPLICABILITY
All
All