B1401

B1401-FRONT LEFT AUDIO SPEAKER OUTPUT CIRCUIT LOW

B1401 - Front Left Audio Speaker Output Circuit Low:

WHEN MONITORED
With the Radio on.

SET CONDITION
When the Output circuit is LOW for more than 3 seconds.

POSSIBLE CAUSES
- Speaker
- (X201) (X291) Left front speaker output circuit

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.

Q: 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.

Q: 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.

Q: 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.