Operation CHARM: Car repair manuals for everyone.

B1402






B1402-FRONT LEFT AUDIO SPEAKER OUTPUT CIRCUIT HIGH







- When Monitored:
With the ignition on.

- Set Condition:
This DTC will set if the left front door speaker circuits are shorted to voltage.





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 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 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 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 BODY VERIFICATION TEST. Body Verification Test.

No

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