B140A-REAR LEFT AUDIO SPEAKER OUTPUT CIRCUIT HIGH





For a complete wiring diagram Refer to Section 8W.



Possible Causes
  
SPEAKER
  
(X51) SPEAKER OUTPUT CIRCUIT (+)
  
(X57) SPEAKER OUTPUT CIRCUIT (-)
  



Diagnostic Test

1. INTERMITTENT CONDITION




Does the scan tool display active: B140A-REAR LEFT AUDIO SPEAKER OUTPUT CIRCUIT HIGH?

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 FOR VOLTAGE ON THE (X303) SPEAKER (+) CIRCUIT








Is the voltage above 10.0 volts?

Yes
  • Repair the (X51) Speaker (+) circuit for a short to voltage.
  • Perform BODY VERIFICATION TEST VER-1.


No
  • Go To 3

3.CHECK FOR VOLTAGE ON THE (X393) SPEAKER (-) CIRCUIT






Is the voltage above 10.0 volts?

Yes
  • Repair the (X57) Speaker (-) circuit for a short to voltage.
  • Perform BODY VERIFICATION TEST VER-1.


No
  • Replace the radio in accordance with the service information.
  • Perform BODY VERIFICATION TEST VER-1.