Power Amp Shutdown - Base Audio System - Jeep Wrangler TJ 2006 Diagnostic Manual

AUDIO
Symptom:

POWER AMP SHUTDOWN - BASE AUDIO SYSTEM

When Monitored and Set Condition:
POWER AMP SHUTDOWN - BASE AUDIO SYSTEM
When Monitored: Ignition in RUN and IOD fuse installed.
Set Condition: The radio has sensed a short on the output for more than 10 seconds.
DETERMINE FAULT
FRONT SHORTED SPEAKER
REAR SHORTED SPEAKER
(+) CIRCUIT SHORTED TO GROUND
(-) CIRCUIT SHORTED TO GROUND
SPEAKER (+) & (-) CIRCUITS SHORTED TOGETHER
SPEAKER SECTION OF RADIO
TEST
1 Turn the ignition on.
Turn the Radio on.
With the DRBIII , erase the audio DTC's.
Cycle the ignition switch from off to on and wait 10 seconds.
With the DRBIII , read the audio DTC's.
Does the DRBIII display POWER AMP SHUTDOWN?
Yes → Go To 2
→ Refer to the wiring diagrams located in the service information to
No
2 Turn the ignition off.
NOTE: Perform this procedure after disconnecting each front speaker
connector.
Disconnect each front 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 front speakers
disconnected?
Yes → Go To 3
→ Replace the Speaker that when disconnected the DTC did not
No
POSSIBLE CAUSES
ACTION
help isolate a possible intermittent short.
Perform BODY VERIFICATION TEST - VER 1.
reset.
Perform BODY VERIFICATION TEST - VER 1.
88
APPLICABILITY
All
All