B146F-CHANNEL 4 AUDIO SPEAKER OUTPUT CIRCUIT PERFORMANCE

For a complete wiring diagram Refer to Section 8W.


  • When Monitored:
  • With the ignition on.
  • Set Condition:
  • This DTC will set if a DC offset occurs on the output channel, the amplifier shall set a DTC after a maturity rate of 5 ±1 sec.

Possible Causes
  
AMPLIFIER
  



Diagnostic Test

1.CHECK FOR AN INTERMITTENT CONDITION




Does the scan tool display active: B146F-CHANNEL 4 AUDIO SPEAKER OUTPUT CIRCUIT PERFORMANCE?

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


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.