B1407

B1407-FRONT RIGHT AUDIO SPEAKER OUTPUT CIRCUIT OPEN





For a complete wiring diagram refer to Diagrams/Electrical.

- When Monitored:
- With the radio on.
- Set Condition:
- When the output circuit is open for more than three seconds. The radio will not set the fault if the radio confirms an amplifier is on the BUS.





Diagnostic Test

1. INTERMITTENT CONDITION

Turn the ignition on.

With the scan tool, clear all Radio DTC's.

Turn the Radio on.

With the scan tool, read the DTC information.

Does the scan tool read: B1407-FRONT RIGHT AUDIO SPEAKER OUTPUT CIRCUIT OPEN?

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 - VER 1. Body Verification Test

2. (X202) RIGHT FRONT SPEAKERS (+) CIRCUIT OPEN





Turn the ignition off.

Disconnect the Radio harness connector.

Disconnect the Front Right Audio Speaker harness connector.

Measure the resistance of the (X202) Right Front Speakers (+) circuit between the Radio and the Speaker.

Is the resistance below 5.0 ohms for each circuit?

Yes

- Go To 3

No

- Repair the (X202) Right Front Speakers (+) circuit for an open condition.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test

3. (X292) RIGHT FRONT SPEAKERS (-) CIRCUIT OPEN





Measure the resistance of the (X292) Right Front Speakers (-) circuit between the Radio and the Speaker.

Is the resistance below 5.0 ohms for each circuit?

Yes

- Go To 4

No

- Repair the (X292) Right Front Speakers (-) circuit for an open condition.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test

4. SPEAKER

Connect the Radio harness connector.

With the Front Right Audio Speaker still disconnected, turn the ignition on.

Turn the Radio on.

With the scan tool, clear all Radio DTC's.

With the scan tool, read the DTC information.

Does the scan tool read: B1407-FRONT RIGHT AUDIO SPEAKER OUTPUT CIRCUIT OPEN?

Yes

- Replace the Front Right Audio Speaker.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test

No

- Test Complete.