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Jeep Liberty KJ. Manual - part 1429
POWER AMP SHUTDOWN - BASE AUDIO SYSTEM
For a complete wiring diagram Refer to Section 8W
•
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.
Possible Causes
LEFT I/P SPEAKER
LEFT FRONT DOOR SPEAKER
RIGHT I/P SPEAKER
RIGHT FRONT DOOR SPEAKER
LEFT REAR SPEAKER
RIGHT REAR SPEAKER
(+) CIRCUIT SHORTED TO GROUND
SPEAKER SECTION OF RADIO
(-) CIRCUIT SHORTED TO GROUND
SPEAKER (+) & (-) CIRCUITS SHORTED TOGETHER
Diagnostic Test
1.
DETERMINE FAULT
Turn the ignition on.
Turn the Radio on.
With the Scan Tool, erase the audio DTC’s.
Cycle the ignition switch from off to on and wait 10 seconds.
With the Scan Tool, read the audio DTC’s.
Does the Scan Tool display POWER AMP SHUTDOWN?
Yes
>> Go To 2
No
>> Refer to the wiring diagrams located in the service information to help isolate a possible intermittent
short.
Perform BODY VERIFICATION TEST - VER 1.
2.
LEFT I/P SPEAKER
Turn the ignition off.
Disconnect the Left I/P Speaker harness connector.
Turn the ignition on.
Turn the radio on.
With the Scan Tool, erase the audio DTCs.
Cycle the ignition switch from off to on and wait 10 seconds.
With the Scan Tool, read DTC’s.
Does the Scan Tool display POWER AMP SHUTDOWN?
Yes
>> Go To 3
No
>> Replace the Left I/P Speaker.
Perform BODY VERIFICATION TEST - VER 1.
8A - 20
AUDIO/VIDEO - ELECTRICAL DIAGNOSTICS
KJ