2014 Jeep Wrangler JK Factory Service Manual 28 - DTC-Based Diagnostics

B147C-CHANNEL 6 AUDIO SPEAKER OUTPUT CIRCUIT OPEN



For a complete wiring diagram, refer to the Wiring Information.



Possible Causes

(X206) RIGHT REAR SPEAKER (+) CIRCUIT OPEN
(X296) RIGHT REAR SPEAKER (-) CIRCUIT OPEN
RIGHT REAR SPEAKER
AMPLIFIER

1. CHECK FOR AN INTERMITTENT CONDITION


1. Turn the ignition on.
2. Using the scan tool, record and erase the Amplifier DTCs.
3. Cycle the ignition switch from on to off, wait five seconds and then back to on.
4. Turn the Radio on and set the volume to 25.
5. Adjust the speakers to the rear and center.
6. Using the scan tool, read the active Amplifier DTCs.


Does the scan tool display active: B147C-CHANNEL 6 AUDIO SPEAKER OUTPUT CIRCUIT OPEN?

Yes


No


2. CHECK THE OPERATION OF THE RIGHT REAR SPEAKER



1. Using the scan tool, erase the DTCs.
2. Turn the ignition off.
3. Disconnect the Right Rear Speaker harness connector from the Right Rear Speaker.
4. Turn the ignition on.
5. Turn the radio on and set the volume to 25.
6. With a Voltmeter set to read in A/C voltage, measure the voltage between the (X205) Right Rear Speaker (+) circuit and the (X295) Right Rear Speaker (-) circuits in the Right Rear Speaker connector.


Is the voltage present greater than 1 Volt in the Right Rear Speaker connector?

Yes


No


3. CHECK THE (X206) RIGHT REAR SPEAKER (+) CIRCUIT FOR AN OPEN



1. Turn the ignition off.
2. Disconnect the Amplifier C2 harness connector.
3. Measure the resistance of the (X206) Right Rear Speaker (+) circuit between the Amplifier C2 harness connector and the Right Rear Speaker harness connector.


Is the resistance below 2.0 Ohms?

Yes


No


4. CHECK THE (X296) RIGHT REAR SPEAKER (-) CIRCUIT FOR AN OPEN



1. Measure the resistance of the (X296) Right Rear Speaker (-) circuit between the Amplifier C2 harness connector and the Right Rear Speaker harness connector.


Is the resistance below 2.0 Ohms?

Yes


No