B1461-CHANNEL 1 AUDIO SPEAKER OUTPUT CIRCUIT LOW





For a complete wiring diagram Refer to Section 8W.


  • When Monitored:
  • With the ignition on.
  • Set Condition:
  • The Amplifier detects a shorted to ground condition on the speaker output circuit.

Possible Causes
  
(X209) AMPLIFIED LEFT FRONT I/P SPEAKER (+) CIRCUIT SHORTED TO GROUND
  
(X299) AMPLIFIED LEFT FRONT I/P SPEAKER (-) CIRCUIT SHORTED TO GROUND
  
LEFT FRONT I/P SPEAKER
  
AMPLIFIER
  



Diagnostic Test

1.CHECK FOR AN INTERMITTENT CONDITION




Does the scan tool display active: B1461-CHANNEL 1 AUDIO SPEAKER OUTPUT CIRCUIT LOW?

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 (X209) AMPLIFIED LEFT FRONT I/P SPEAKER (+) CIRCUIT FOR A SHORT TO GROUND






Is the resistance below 10K ohms?

Yes
  • Repair the (X209) Amplified Left Front I/P Speaker (+) circuit for a short to ground.
  • Perform BODY VERIFICATION TEST VER-1.


No
  • Go To 3

3.CHECK THE (X299) AMPLIFIED LEFT FRONT I/P SPEAKER (-) CIRCUIT FOR A SHORT TO GROUND





Is the resistance below 10K ohms?

Yes
  • Repair the (X299) Amplified Left Front I/P Speaker (-) for a short to ground.
  • Perform BODY VERIFICATION TEST VER-1.


No
  • Go To 4

4.CHECK OPERATION OF THE AMPLIFIED LEFT FRONT I/P SPEAKER







Is the resistance below 10K ohms?

Yes
  • Replace the Left Front I/P Speaker in accordance with the service information.
  • Perform BODY VERIFICATION TEST VER-1.


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