B140B

B140B-REAR LEFT AUDIO SPEAKER OUTPUT CIRCUIT OPEN





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

- 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.





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: B140B-REAR 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. (X51) (X57) SPEAKER OUTPUT CIRCUITS




1. Turn the ignition off.
2. Disconnect the Radio C1 harness connector.
3. Disconnect the Rear Left Audio Speaker connector.
4. Measure the resistance of each speaker (X51)(+) and (X57)(-) circuit between the radio and the speaker.

Is the resistance below 5.0 Ohms for each circuit?

Yes

- Go To 3

No

- Repair the applicable output speaker circuit for an open condition.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

3. SPEAKER
1. Turn the ignition off.
2. Disconnect the Rear Left Audio 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: B140B-REAR LEFT AUDIO SPEAKER OUTPUT CIRCUIT OPEN?

Yes

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

No

- Test Complete.
- Perform the BODY VERIFICATION TEST. Body Verification Test.