B1405

B1405-FRONT RIGHT AUDIO SPEAKER OUTPUT CIRCUIT LOW





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

Theory of Operation

The (X202) Right Front Speaker (+) circuit and the (X292) Right Front Speaker (-) circuit are outputs of the Radio. The Radio controls and monitors these circuits for a concern.

For a detailed description of the Audio System. Audio And Video - Description.

For additional information regarding the operation of the Audio System. Audio And Video - Operation.

- When Monitored:
With the Radio on.

- Set Condition:
The Radio detects a short to ground condition on the speaker output circuit.





1. CHECK FOR AN INTERMITTENT CONDITION

NOTE: This vehicle has a Front Tweeter wired in parallel with the Front Speaker.

1. Turn the ignition on and open one of the front doors.

NOTE: A front door must remain open whenever checking or erasing Radio DTCs.

2. Using the scan tool, record and erase the Radio DTCs.
3. Turn the Radio on.
4. Adjust the speakers to the front and center.
5. Using the scan tool, read the active Radio DTCs.

Does the scan tool read: B1405-FRONT RIGHT AUDIO SPEAKER OUTPUT CIRCUIT LOW?

Yes

- Go To 2

No

- Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals and correct pin tension.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

2. RIGHT FRONT SPEAKERS




1. Make sure one of the front doors is still open.
2. Using the scan tool, erase the DTCs.
3. Turn the ignition off.
4. Disconnect the Right Front Speaker harness connector from the Right Front Speaker.
5. Disconnect the Right Front Tweeter harness connector from the Right Front Tweeter.
6. Turn the ignition on.
7. Turn the radio on.
8. Using the scan tool, read the active Radio DTCs.

Does the scan tool read: B1405-FRONT RIGHT AUDIO SPEAKER OUTPUT CIRCUIT LOW?

Yes

- Go To 4

No

- Go To 3

3. RIGHT FRONT SPEAKER




1. Make sure one of the front doors is still open.
2. Using the scan tool, erase the DTCs.
3. Turn the ignition off.
4. Re-connect the Right Front Speaker harness connector to the Right Front Speaker.
5. Turn the ignition on.
6. Turn the radio on.
7. Using the scan tool, read the active Radio DTCs.

Does the scan tool read: B1405-FRONT Right AUDIO SPEAKER OUTPUT CIRCUIT LOW?

Yes

- Replace the Right Front Speaker. Front Door.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Replace the Right Front Tweeter. Tweeter.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

4. CHECK THE (X202) RIGHT FRONT DOOR SPEAKER (+) CIRCUIT FOR A SHORT TO GROUND




1. Turn the ignition off.
2. Disconnect the Radio C2 harness connector.
3. Measure the resistance between ground and the (X202) Right Front Door Speaker (+) circuit.

Is the resistance below 5.0 Ohms?

Yes

- Repair the (X202) Right Front Door Speaker (+) circuit for a short to ground.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Go To 5

5. CHECK THE (X292) RIGHT FRONT DOOR SPEAKER (-) CIRCUIT FOR A SHORT TO GROUND




1. Measure the resistance between ground and the (X292) Right Front Door Speaker (-) circuit.

Is the resistance below 5.0 Ohms?

Yes

- Repair the (X292) Right Front Door Speaker (-) circuit for a short to ground.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

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