Diagnostic Test

CHECK FOR AN INTERMITTENT CONDITION
NOTE:
This vehicle has a Front Tweeter wired in parallel with the Front Speaker.
1. Turn the ignition on and open one of the front doors.
  NOTE:
  A front door must remain open whenever checking or erasing Radio DTCs.
2. Using the scan tool, record and erase the Radio DTCs.
3. Cycle the ignition switch from on to off, wait five seconds and then back to on.
4. Turn the radio on and set the volume to 25.
5. Adjust the speakers to the front and center.
6. Using the scan tool, read the active Radio DTCs.
  Does the scan tool display active: B2001-11 FRONT LEFT AUDIO SPEAKER OUTPUT- CIRCUIT SHORT TO GROUND?
  
  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 .
CHECK THE LEFT FRONT SPEAKERS
1. Make sure one of the front doors is still open.
2. Using the scan tool, erase the DTCs.
3. Turn the ignition off.
4. Disconnect the Left Front Door Speaker harness connector.
5. Disconnect the Left Front Tweeter harness connector from the Left Front Tweeter.
6. Turn the ignition on.
7. Turn the radio on and set the volume to 25.
8. Using the scan tool, read the active Radio DTCs.
  Does the scan tool display active: B2001-11 FRONT LEFT AUDIO SPEAKER OUTPUT- CIRCUIT SHORT TO GROUND?
  
  Yes
  - Go To 4.
  No
  - Go To 3.
CHECK THE LEFT FRONT SPEAKER
1. Make sure one of the front doors is still open.
2. Using the scan tool, erase the DTCs.
3. Turn the ignition off.
4. Reconnect the Left Front Tweeter harness connector from the Left Front Tweeter.
5. Turn the ignition on.
6. Turn the radio on and set the volume to 25.
7. Using the scan tool, read the active Radio DTCs.
  Does the scan tool display active: B2001-11 FRONT LEFT AUDIO SPEAKER OUTPUT- CIRCUIT SHORT TO GROUND?
  
  Yes
  - Replace the Left Front Tweeter in accordance with the Service Information. Refer to SPEAKER, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Replace the Left Front Door Speaker in accordance with the Service Information. Refer to SPEAKER, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE (X201) LEFT FRONT DOOR SPEAKER (+) CIRCUIT FOR A SHORT TO GROUND
1. Turn the ignition off.
2. Disconnect the Radio harness connector.
3. Measure the resistance between ground and the (X201) Left Front Door Speaker (+) circuit.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Repair the (X201) Left Front Door Speaker (+) circuit for a short to ground.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 5.
CHECK THE (X291) LEFT FRONT DOOR SPEAKER (-) CIRCUIT FOR A SHORT TO GROUND
1. Measure the resistance between ground and the (X291) Left Front Door Speaker (-) circuit.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Repair the (X291) Left Front Door Speaker (-) for a short to ground.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Replace the Radio in accordance with the Service Information. Refer to RADIO, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .