B1469-CHANNEL 2 AUDIO SPEAKER OUTPUT CIRCUIT SHORTED TOGETHER





For a complete wiring diagram Refer to Section 8W.


  • When Monitored:
  • With the ignition on. Radio volume at 25 or higher.
  • Set Condition:
  • The amplifier detects that the output circuits are shorted together.

Possible Causes
  
(X208) AMPLIFIED RIGHT I/P SPEAKER (+) CIRCUIT SHORTED TO THE (X298) AMPLIFIED RIGHT I/P SPEAKER (-) CIRCUIT
  
AMPLIFIED RIGHT I/P SPEAKER
  
AMPLIFIER
  



Diagnostic Test

1.CHECK FOR AN INTERMITTENT CONDITION







Does the scan tool display active: B1469-CHANNEL 2 AUDIO SPEAKER OUTPUT CIRCUIT SHORTED TOGETHER?

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 OPERATION OF THE AMPLIFIED RIGHT I/P SPEAKER




Is the resistance of the speaker less than 1 ohm?

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


No
  • Go To 3

3.CHECK THE (X208) AMPLIFIED RIGHT I/P SPEAKER (+) CIRCUIT, AND THE (X298) AMPLIFIED RIGHT I/P SPEAKER (-) CIRCUITS FOR A SHORT TOGETHER







Is the resistance below 10K ohms?

Yes
  • Repair the (X208) Amplified Right I/P Speaker (+) circuit, and the (X298) Amplified Right I/P Speaker (-) circuit for a short together.
  • Perform BODY VERIFICATION TEST VER-1.


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