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 3 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 Audio DTC's.

Turn the Radio on.

With the Scan Tool, read the DTC information.

Does the Scan Tool read: B140B-REAR LEFT AUDIO SPEAKER OUTPUT CIRCUIT OPEN?

Yes

- Go To2

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 - VER 1. Body Verification Test
-

2. (X205) LEFT REAR SPEAKER (+) CIRCUIT OPEN





Turn the ignition off.

Disconnect the Radio C1 harness connector.

Disconnect the Rear Left Audio Speaker connector.

Measure the resistance of (X205) Left Rear Speaker (+) circuit between the Radio C1 connector, and the Left Rear Speaker harness connector.

Is the resistance below 5.0 ohms?

Yes

- Go To3

No

- Repair open in the (X205) Left Rear Speaker (+) circuit.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test

3. (X295) LEFT REAR SPEAKER (-) CIRCUIT OPEN





Turn the ignition off.

Disconnect the Radio C1 harness connector.

Disconnect the Rear Left Audio Speaker connector.

Measure the resistance of (X295) Left Rear Speaker (-) circuit between the Radio C1 connector, and the Left Rear Speaker harness connector.

Is the resistance below 5.0 ohms?

Yes

- Replace the Left Rear Speaker.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test

No

- Repair open in the (X295) Left Rear Speaker (-) circuit.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test