Base
B1404-11-FRONT RIGHT AUDIO SPEAKER OUTPUT - CIRCUIT SHORT TO GROUND - BASE
For a complete wiring diagram, refer to the Wiring Information.
NOTE: There are two versions of the B1404-11 DTC test. In order to select the proper test you must know if the vehicle is equipped with an Amplifier. If the vehicle is equipped with an Amplifier use the B1404-11-PREMIUM test. If the vehicle is not equipped with an Amplifier use the B1404-11-BASE test.
Theory of Operation
The (X202) Right Front Door Speaker (+) circuit and the (X292) Right Front Door Speaker (-) circuit are outputs of the Telematics Gateway (TGW). The TGW controls and monitors these circuits for a concern.
For a detailed description of the Audio System. Audio And Video - Description.
For additional information regarding the operation of the Audio System. Audio And Video - Operation.
- When Monitored:
With the ignition on.
- Set Condition:
The TGW detects a shorted to ground condition on the speaker output circuit.
1. 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 TGW DTCs.
2. Using the scan tool, record and erase the TGW 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 TGW DTCs.
Does the scan tool display active: B1404-11-FRONT RIGHT 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. Body Verification Test.
2. CHECK THE RIGHT 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 Right Front Door Speaker harness connector.
5. Disconnect the Right Front Tweeter harness connector from the Right 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 TGW DTCs.
Does the scan tool display active: B1404-11-FRONT RIGHT AUDIO SPEAKER OUTPUT - CIRCUIT SHORT TO GROUND?
Yes
- Go To 4
No
- Go To 3
3. CHECK THE RIGHT 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. Re-connect the Right Front Tweeter harness connector from the Right 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 TGW DTCs.
Does the scan tool display active: B1404-11-FRONT RIGHT AUDIO SPEAKER OUTPUT - CIRCUIT SHORT TO GROUND?
Yes
- Replace the Right Front Tweeter. Front Door
- Perform the BODY VERIFICATION TEST. Body Verification Test.
No
- Replace the Right Front Door Speaker. Front Door
- Perform the BODY VERIFICATION TEST. Body Verification Test.
4. CHECK THE (X202) RIGHT FRONT DOOR SPEAKER (+) CIRCUIT FOR A SHORT TO GROUND
1. Turn the ignition off.
2. Disconnect the TGW harness connector.
3. Measure the resistance between ground and the (X202) Right Front Door Speaker (+) circuit.
Is the resistance below 5.0 Ohms?
Yes
- Repair the (X202) Right Front Door Speaker (+) circuit for a short to ground.
- Perform the BODY VERIFICATION TEST. Body Verification Test.
No
- Go To 5
5. CHECK THE (X292) RIGHT FRONT DOOR SPEAKER (-) CIRCUIT FOR A SHORT TO GROUND
1. Measure the resistance between ground and the (X292) Right Front Door Speaker (-) circuit.
Is the resistance below 5.0 Ohms?
Yes
- Repair the (X292) Right Front Door Speaker (-) for a short to ground.
- Perform the BODY VERIFICATION TEST. Body Verification Test.
No
- Replace the TGW. Telematics Gateway Module - Removal.
- Perform the BODY VERIFICATION TEST. Body Verification Test.