B140A

B140A-REAR LEFT AUDIO SPEAKER OUTPUT CIRCUIT HIGH





For a complete wiring diagram Consult Diagrams/Electrical.





Diagnostic Test

1. INTERMITTENT CONDITION
Turn the ignition on, then off, and then on again.
With the scan tool, read Radio DTCs.
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 Body Verification Test.

2. CHECK FOR VOLTAGE ON THE (X303) SPEAKER (+) CIRCUIT




Turn the ignition off.
Disconnect the Radio C1 harness connector.
Disconnect the Left Rear Speaker harness connector.
Measure for voltage on the (X51) 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 Body Verification Test.

No

- Go To 3


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




Measure for voltage on the (X57) 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 Body Verification Test.

No

- Replace the radio.
- Perform BODY VERIFICATION TEST VER-1 Body Verification Test.