B146C-CHANNEL 3 AUDIO SPEAKER OUTPUT CIRCUIT HIGH





For a complete wiring diagram Refer to Section 8W.


  • When Monitored:
  • With the ignition on.
  • Set Condition:
  • The Amplifier detects a short to battery condition on the output circuit.

Possible Causes
  
(X201) AMPLIFIED LEFT FRONT DOOR SPEAKER (+) CIRCUIT SHORT TO VOLTAGE
  
(X291) AMPLIFIED LEFT FRONT DOOR SPEAKER (-) CIRCUIT SHORT TO VOLTAGE
  
AMPLIFIER
  



Diagnostic Test

1.CHECK FOR AN INTERMITTENT CONDITION




Does the scan tool display active: B146C-CHANNEL 3 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 (X201) AMPLIFIED LEFT FRONT DOOR SPEAKER (+) CIRCUIT









Is the voltage above 10.0 volts?

Yes
  • Repair the (X201) Amplified Left Front Door Speaker (+) circuit for a short to voltage.
  • Perform BODY VERIFICATION TEST VER-1.


No
  • Go To 3

3.CHECK FOR VOLTAGE ON THE (X291) AMPLIFIED LEFT FRONT DOOR SPEAKER (-) CIRCUIT





Is the voltage above 10.0 volts?

Yes
  • Repair the (X291) Amplified Left Front Door Speaker (-) circuit for a short to voltage.
  • Perform BODY VERIFICATION TEST VER-1.


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