B1407
B1407-FRONT RIGHT 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: B1407-FRONT RIGHT 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. (X154) RIGHT FRONT DOOR SPEAKER (+) CIRCUIT OPEN
1. Turn the ignition off.
2. Disconnect the Radio C1 harness connector.
3. Disconnect the Right Front Door Speaker harness connector.
4. Measure the resistance of the (X154) Right Front Door Speaker (+) circuit between the Radio C1 connector and the Right Front Door Speaker harness connector.
Is the resistance below 5.0 Ohms for each circuit?
Yes
- Go To 3
No
- Repair open in the (X154) Right Front Door Speaker (+) circuit.
- Perform the BODY VERIFICATION TEST. Body Verification Test.
3. (X156) RIGHT FRONT DOOR SPEAKER (-) CIRCUIT OPEN
1. Turn the ignition off.
2. Disconnect the Radio C1 harness connector.
3. Disconnect the Right Front Door Speaker harness connector.
4. Measure the resistance of the (X156) Right Front Door Speaker (-) circuit between the Radio C1 connector and the Right Front Door Speaker harness connector.
Is the resistance below 5.0 Ohms for each circuit?
Yes
- Replace the Right Front Door Speaker.
- Perform the BODY VERIFICATION TEST. Body Verification Test.
No
- Repair open in the (X156) Right Front Door Speaker (-) circuit.
- Perform the BODY VERIFICATION TEST. Body Verification Test.