B1402

B1402-FRONT 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: B1402-FRONT 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 the BODY VERIFICATION TEST. Body Verification Test.

2. CHECK FOR VOLTAGE ON THE (X201) AMPLIFIED LEFT FRONT DOOR SPEAKER (+) CIRCUIT
1. Turn the ignition off.
2. Disconnect the Radio C2 harness connector.
3. Disconnect the Left Front Door Speaker harness connector.
4. Measure 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 the BODY VERIFICATION TEST. Body Verification Test.

No

- Go To 3

3. CHECK FOR VOLTAGE ON THE (X291) AMPLIFIED LEFT FRONT DOOR SPEAKER (-) CIRCUIT
1. Measure 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 the BODY VERIFICATION TEST. Body Verification Test.

No

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