Diagnostic Test

CHECK FOR AN INTERMITTENT CONDITION
NOTE:
This vehicle has a Front Tweeter Speaker wired in parallel with the Front Door Speaker.
1. Turn the ignition on.
2. Using the scan tool, record and erase the Radio DTCs.
3. Turn the Radio on.
4. Adjust the speakers to the front and center.
5. Using the scan tool, read the active Radio DTCs.
  Does the scan tool read: B1400-13-FRONT LEFT AUDIO SPEAKER OUTPUT - CIRCUIT OPEN?
  
  Yes
  - Go To 2
  No
  - Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals and correct pin tension.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST or BODY VERIFICATION TEST (EV) .
CHECK THE LEFT FRONT SPEAKER
1. Turn the ignition off.
2. Disconnect the Left Front Speaker.
3. Measure the resistance of the speaker between the two terminals.
  Is the resistance above 5.0 Ohms?
  
  Yes
  - Replace the Left Front Speaker in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST or BODY VERIFICATION TEST (EV) .
  No
  - Go To 3
CHECK THE LEFT FRONT TWEETER SPEAKER
1. Turn the ignition off.
2. Disconnect the Front Tweeter Speaker.
3. Measure the resistance of the speaker between the two terminals.
  Is the resistance above 5.0 Ohms?
  
  Yes
  - Replace the Front Tweeter Speaker in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST or BODY VERIFICATION TEST (EV) .
  No
  - Go To 4
CHECK THE (X201) LEFT FRONT SPEAKER (+) CIRCUIT FOR AN OPEN
1. Turn the ignition off.
2. Disconnect the Radio C1 harness connector.
3. Measure the resistance of the (X201) Left Front Speaker (+) circuit between the Radio C1 connector, and the Left Front Speaker harness connector and the Front Tweeter Speaker.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Go To 5
  No
  - Repair an open in the (X201) Left Front Speaker (+) circuit.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST or BODY VERIFICATION TEST (EV) .
CHECK THE (X291) LEFT FRONT SPEAKER (-) CIRCUIT FOR AN OPEN
1. Measure the resistance of the (X291) Left Front Speaker (-) circuit between the Radio C1 connector, and the Left Front Speaker harness connector and the Front Tweeter Speaker.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Replace the Radio in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST or BODY VERIFICATION TEST (EV) .
  No
  - Repair an open in the (X291) Left Front Speaker (-) circuit.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST or BODY VERIFICATION TEST (EV) .