B140B

B140B-REAR LEFT AUDIO SPEAKER OUTPUT CIRCUIT OPEN







- 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 Radio 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 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 OPEN




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

Is the resistance below 5.0 Ohms for each circuit?

Yes

- Go To 3

No

- Repair the (X303) Left Rear Speaker (+) circuit for an open condition.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

3. (X393) LEFT REAR SPEAKER (-) CIRCUIT OPEN




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

Is the resistance below 5.0 Ohms for each circuit?

Yes

- Go To 4

No

- Repair the (X393) Left Rear Speaker (-) circuit for an open condition.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

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: B140B-REAR LEFT AUDIO SPEAKER OUTPUT CIRCUIT OPEN?

Yes

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

No

- Test Complete.