B1402

B1402-FRONT LEFT AUDIO SPEAKER OUTPUT CIRCUIT HIGH






For a complete wiring diagram refer to 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: 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 BODY VERIFICATION TEST - VER 1. Body Verification Test

2. CHECK FOR VOLTAGE ON THE (X153) SPEAKER (+) CIRCUIT





Turn the ignition off.

Disconnect the Radio C1 harness connector.

Disconnect the Left Front Door Speaker harness connector.

Turn the ignition on.

Measure for voltage on the (X153) Speaker (+) circuit.

Is the voltage above 10.0 volts?

Yes

- Repair the (X153) 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 (X155) SPEAKER (-) CIRCUIT





Turn the ignition on.

Measure for voltage on the (X155) Speaker (-) circuit.

Is the voltage above 10.0 volts?

Yes

- Repair the (X155) 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