Jeep Grand Cherokee WK. Manual - part 247
B1477-CHANNEL 5 AUDIO SPEAKER OUTPUT CIRCUIT OPEN (CONTINUED)
For the Amplifier circuit diagram (Refer to 8 - ELECTRICAL/AUDIO - SCHEMATICS AND DIAGRAMS).
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
Amplifier Bus wake-up. Amplifier reset with scan tool.
•
Set Condition:
The Amplifier detects an open condition on the speaker output circuit.
Possible Causes
(X205) AMPLIFIED LEFT REAR DOOR SPEAKER (+) CIRCUIT OPEN
(X295) AMPLIFIED LEFT REAR DOOR SPEAKER (-) CIRCUIT OPEN
LEFT REAR DOOR SPEAKER
AMPLIFIER
Diagnostic Test
1.
CHECK FOR AN INTERMITTENT CONDITION
Turn the ignition on.
Turn the radio on.
With the scan tool, erase Amplifier DTCs.
With the scan tool, reset the amplifier.
With the scan tool, read Amplifier DTCs.
Does the scan tool display active: B1477-CHANNEL 5 AUDIO
SPEAKER OUTPUT CIRCUIT OPEN?
Yes
>> Go To 2
No
>> The conditions that caused this code to set are not
present at this time. Using the wiring diagram/schematic
as a guide, inspect the wiring and connectors.
Perform BODY VERIFICATION TEST VER-1.
2.
CHECK THE OPERATION OF THE LEFT REAR DOOR SPEAKER
Disconnect the Left Rear Door Speaker harness connector.
Turn the radio on and turn the volume to mid level.
With a voltmeter set to read in A/C voltage, measure the voltage of the
Amplified Left Rear Door Speaker circuits in the Amplified Left Rear
Door Speaker harness connector.
Is the voltage present greater than 1 volt?
Yes
>> Replace the Amplified Left I/P Speaker in accordance with
the service information.
Perform BODY VERIFICATION TEST VER-1.
No
>> Go To 3
8A - 124
AUDIO/VIDEO SYSTEMS - ELECTRICAL DIAGNOSIS
WK