B1409-REAR LEFT AUDIO SPEAKER OUTPUT CIRCUIT LOW





For a complete wiring diagram Refer to Section 8W.


  • When Monitored:
  • With the radio on.
  • Set Condition:
  • When the output circuit is LOW for more than three seconds.

Possible Causes
  
SPEAKER
  
(X51) (X57) LEFT REAR SPEAKER OUTPUT CIRCUIT
  



Diagnostic Test

1.INTERMITTENT CONDITION






Does the scan tool read: B1409-REAR LEFT AUDIO SPEAKER OUTPUT CIRCUIT LOW?

Yes
  • Go To 2


No
  • The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires.
  • Perform the BODY VERIFICATION TEST VER 1.

2.(X51) (X57) SPEAKER OUTPUT CIRCUITS








Is the resistance below 1000.0 ohms for each circuit?

Yes
  • Repair the applicable speaker (+) or (-) output circuit for a short to ground condition.


No
  • Go To 3

3.SPEAKER










Does the scan tool read: B1409-REAR LEFT AUDIO SPEAKER OUTPUT CIRCUIT LOW?

Yes
  • Replace the speaker in accordance with the service information.
  • Perform the BODY VERIFICATION TEST VER 1.


No
  • Test Complete.