B140A

B140A-REAR LEFT AUDIO SPEAKER OUTPUT CIRCUIT HIGH





For a complete wiring diagram, refer to the Wiring Information Electrical Diagrams.






1. INTERMITTENT CONDITION
1. Turn the ignition on, then off, and then on again.
2. 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. Body Verification Test

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




1. Turn the ignition off.
2. Disconnect the Radio C1 harness connector.
3. Disconnect the Left Rear Speaker harness connector.
4. 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. Body Verification Test

No

- Go To 3

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




1. 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. Body Verification Test

No

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