B1403

B1403-FRONT LEFT AUDIO SPEAKER OUTPUT CIRCUIT OPEN





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

- When Monitored:
With the Radio on.

- Set Condition:
When the Output circuit is open for more than 3 seconds. The Radio will not set the fault if the radio confirms an amplifier is on the BUS.





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

Does the scan tool read: B1403-FRONT LEFT AUDIO SPEAKER OUTPUT CIRCUIT OPEN?

Yes

- Go To 2

No

- The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

2. (X153) LEFT FRONT DOOR SPEAKER CIRCUIT (+) OPEN




1. Turn the ignition off.
2. Disconnect the Radio C1 harness connector.
3. Disconnect the Left Front Door Speaker harness connector.
4. Measure the resistance of the (X153) Left Front Door Speaker (+) circuit between the Radio C1 connector, and the Left Front Door Speaker harness connector.

Is the resistance below 5.0 Ohms?

Yes

- Go To 3

No

- Repair open in the (X153) Left Front Door Speaker (+) circuit.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

3. (X155) LEFT FRONT DOOR SPEAKER CIRCUIT (-) OPEN




1. Turn the ignition off.
2. Measure the resistance of the (X155) Left Front Door Speaker (-) circuit between the Radio C1 connector, and the Left Front Door Speaker harness connector.

Is the resistance below 5.0 Ohms?

Yes

- Go To 4

No

- Repair open in the (X155) Left Front Door Speaker (-) circuit.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

4. SPEAKER




1. Turn the ignition off.
2. Disconnect the Left Front Door Speaker.
3. Turn the ignition on.
4. Turn the Radio on.
5. With the scan tool, clear all Audio DTCs.
6. With the scan tool, read the DTC information.

Does the scan tool read: B1403-FRONT LEFT AUDIO SPEAKER OUTPUT CIRCUIT OPEN?

Yes

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

No

- Test Complete.