2007 Commander XK Factory Service Manual 8 - ELECTRICAL

B1405-FRONT RIGHT AUDIO SPEAKER OUTPUT CIRCUIT LOW





For a complete wiring diagram Refer to Section 8W.



Possible Causes
 
SPEAKER
 
(X56) (X54) RIGHT FRONT SPEAKER OUTPUT CIRCUIT
 




Diagnostic Test

1. INTERMITTENT CONDITION

Turn the ignition on.
With the Scan Tool, clear all Audio DTC's.
Turn the Radio on.
With the Scan Tool, read the DTC information.

Does the Scan Tool read: B1405-FRONT RIGHT AUDIO SPEAKER OUTPUT CIRCUIT LOW?

Yes


No

2. (X54) (X56) SPEAKER OUTPUT CIRCUITS.

Turn the ignition off.
Disconnect the Radio C1 harness connector.
Disconnect the Front Right Audio Speaker connector.
Measure the resistance between ground and each speaker (X54)(+) and (X56)(-) circuit.

Is the resistance below 1000.0 ohms for each circuit?

Yes


No

3. SPEAKER

Turn the ignition off.
Disconnect the Front Right Audio Speaker.
Turn the ignition on.
Turn the Radio on.
With the Scan Tool, clear all Audio DTC's.
With the Scan Tool, read the DTC information.

Does the Scan Tool read: B1405-FRONT RIGHT AUDIO SPEAKER OUTPUT CIRCUIT LOW?

Yes


No