FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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B1401






B1401-FRONT LEFT AUDIO SPEAKER OUTPUT CIRCUIT LOW





For a complete wiring diagram refer to Diagrams/Electrical.

- When Monitored:
- With the radio on.
- Set Condition:
- When the output circuit is LOW for more than three seconds.





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: B1401-FRONT LEFT AUDIO SPEAKER OUTPUT CIRCUIT LOW?

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 VER 1. Body Verification Test
-

2. (X201) (X291) SPEAKER OUTPUT CIRCUITS

Turn the ignition off.

Disconnect the Radio C1 harness connector.

Disconnect the Front Left Audio Speaker connector.

Measure the resistance between ground and each speaker (X201)(+) and (X291)(-) circuit.

Is the resistance below 1000.0 ohms for each circuit?

Yes

- Repair the applicable speaker (+) or (-) output circuit for a short to ground condition.

No

- Go To 3
-

3. SPEAKER

Turn the ignition off.

Disconnect the Front Left Audio Speaker.

Turn the ignition on.

Turn the radio on.

With the scan tool, clear all Audio DTC's.

With the scan tool, read the DTC information.

Does the scan tool read: B1401-FRONT LEFT AUDIO SPEAKER OUTPUT CIRCUIT LOW?

Yes

- Replace the speaker.
- Perform the BODY VERIFICATION TEST VER 1. Body Verification Test

No

- Test Complete.
-