Diagnostic Test

INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, clear all Audio DTC's.
3. Turn the radio on.
4. With the scan tool, read the DTC information.
  Does the scan tool read: B1401-FRONT LEFT AUDIO SPEAKER OUTPUT CIRCUIT LOW?
  
  Yes
  - Go to step 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. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure
(X201) (X291) SPEAKER OUTPUT CIRCUITS
1. Turn the ignition off.
2. Disconnect the Radio C1 harness connector.
3. Disconnect the Front Left Audio Speaker connector.
4. 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 step 3
SPEAKER
1. Turn the ignition off.
2. Disconnect the Front Left Audio Speaker.
3. Turn the ignition on.
4. Turn the radio on.
5. With the scan tool, clear all Audio DTC's.
6. 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 in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure
  No
  - Test Complete.