B1409

B1409-REAR LEFT AUDIO SPEAKER OUTPUT CIRCUIT LOW







- When Monitored:
With the radio on.

- Set Condition:
When the output circuit is LOW for more than three seconds.





1. INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, clear all Radio DTCs.
3. Turn the Radio on.
4. With the scan tool, read the DTC information.

Does the scan tool read: B1409-REAR LEFT AUDIO SPEAKER OUTPUT CIRCUIT LOW?

Yes

- Go To 2

No

- The condition that caused this symptom is currently not present. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Repair as necessary.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

2. (X303) LEFT REAR SPEAKER (+) CIRCUIT SHORTED TO GROUND




1. Turn the ignition off.
2. Disconnect the Radio harness connector.
3. Disconnect the Rear Left Audio Speaker harness connector.
4. Measure the resistance between ground and the (X303) Left Rear Speaker (+) circuit.

Is the resistance below 1000.0 Ohms?

Yes

- Repair the (X303) Left Rear Speaker (+) circuit for a short to ground condition.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Go To 3

3. (X393) LEFT REAR SPEAKER (-) CIRCUIT SHORTED TO GROUND




1. Measure the resistance between ground and the (X393) Left Rear Speaker (-) circuit.

Is the resistance below 1000.0 Ohms?

Yes

- Repair the (X393) Left Rear Speaker (-) circuit for a short to ground condition.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Go To 4

4. SPEAKER
1. Connect the Radio harness connector.
2. With the Rear Left Audio Speaker still disconnected, turn the ignition on.
3. Turn the Radio on.
4. With the scan tool, clear all Radio DTCs.
5. With the scan tool, read the DTC information.

Does the scan tool read: B1409-REAR LEFT AUDIO SPEAKER OUTPUT CIRCUIT LOW?

Yes

- Replace the Rear Left Audio Speaker.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Test Complete.