Dodge Ram 2004 Service Manual page 237

POWER AMP SHUTDOWN - BASE AUDIO SYSTEM —
TEST
3 Turn the ignition off.
NOTE: Perform this procedure after disconnecting each rear speaker
connector.
Disconnect each rear speaker harness connector one at a time.
Turn the ignition on.
Turn the radio on.
With the DRBIII , erase the audio DTCs.
Cycle the ignition switch from off to on and wait 10 seconds.
With the DRBIII , read DTC's.
Does the DRBIII display POWER AMP SHUTDOWN with all the rear speakers
disconnected?
Yes → Go To 4
→ Replace the Speaker that when disconnected the DTC did not
No
4 Turn the ignition off.
Disconnect each front and rear speaker harness connector.
Disconnect the Radio harness connector.
Measure the resistance between ground and each speaker (+) circuit.
Is the resistance below 1000.0 (1K) ohms?
Yes → Repair the speaker (+) circuit for a short to ground.
→ Go To 5
No
5 Turn the ignition off.
Disconnect each front and rear speaker harness connector.
Disconnect the Radio harness connector.
Measure the resistance between ground and each speaker (-) circuit.
Is the resistance below 1000.0 (1K) ohms?
Yes → Repair the speaker (-) circuit for a short to ground.
→ Go To 6
No
6 Turn the ignition off.
Disconnect each front and rear speaker harness connector.
Disconnect the Radio harness connector.
Measure the resistance between each speaker (+) circuit and each speaker (-) circuit.
Is the resistance below 1000.0 (1K) ohms for any of the measurements?
Yes → Repair the speaker circuits shorted together.
→ Go To 7
No
7 If there are no possible causes remaining, view repair.
Repair
ACTION
reset.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
Replace the Radio.
Perform BODY VERIFICATION TEST - VER 1.
223
AUDIO
Continued
APPLICABILITY
All
All
All
All
All