Inspection and Verification: Self-Diagnostics
WARNING: This page is about a different car, the 2006 Mercury Montego, 2006 Ford Freestyle, and 2006 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.
The navigation system provides internal self-diagnostics to assist with diagnosing vehicle concerns.
Press and hold the 3 and 6 memory preset buttons for 3 seconds.
Press the End Test button on the screen to exit the speaker walk test.
The following diagnostics are available using the on-screen buttons as follows:
- ON DEMAND SELF TEST provides internal self-test diagnostics and displays all the DTCs resulting from the self-test.
- VIEW DTCs provides a list of all the diagnostic trouble codes (DTCs) currently stored in memory.
- CONFIGURATION STATUS displays the current unit configuration.
- SYSTEM INFO provides the navigation module part number and software information.
- GPS INFO provides satellite information and vehicle current information.
- SPEAKER WALK TEST performs a speaker walk-around test.
- MULTI-DISC TEST performs a test of the compact disc (CD) player mechanism.
- DISPLAY TEST allows checking of individual sectors of the touchscreen, and checking of the screen colors.
- HARDKEY TEST checks any of the buttons operation.
- RADIO SIGNAL STRENGTH performs a test of the antenna signal.
AUDIO UNIT DIAGNOSTIC TROUBLE CODE (DTC) INDEX
| DTC | Description | Source | Action |
|---|---|---|---|
| B1117 | Audio Steering Wheel Button Stuck | Audio Unit | GO to PINPOINT TEST G . |
| B1119 | DVD Mechanism Thermal Shutdown Fault | Audio Unit | ALLOW the audio unit to cool. REPEAT the self-test. If DTC B1119 is retrieved again, REMOVE the audio unit. REFER to AUDIO UNIT . SEND the audio unit to an authorized repair facility. TEST the system for normal operation after the repair. |
| B1136 | Audio Steering Wheel Switch #2 Circuit Failure | Audio Unit | GO to PINPOINT TEST G . |
| B1140 | Map DVD Invalid | Audio Unit | INSERT a known good navigation map DVD. CLEAR the DTCs. REPEAT the self-test. If DTC B1140 is retrieved again, REMOVE the audio unit. REFER to AUDIO UNIT . SEND the audio unit to an authorized repair facility. TEST the system for normal operation after the repair. |
| B1317 | Battery Voltage High | Audio Unit | CLEAR the DTCs. REPEAT the audio unit self-test. If DTC B1317 is retrieved again, REFER to CHARGING SYSTEM - GENERAL INFORMATION to diagnose the charging system. CLEAR the DTCs. REPEAT the self-test. |
| B1318 | Battery Voltage Low | Audio Unit | CLEAR the DTCs. REPEAT the audio unit self-test. If DTC B1318 is retrieved again, REFER to PINPOINT TEST A: THE BATTERY IS DISCHARGED OR BATTERY VOLTAGE IS LOW to diagnose the charging system. CLEAR the DTCs. REPEAT the self-test. |
| B1342 | ECU is Faulted | Audio Unit | CLEAR the DTCs. REPEAT the audio unit self-test. If DTC B1342 is retrieved again, REMOVE the audio unit. REFER to AUDIO UNIT . SEND it to an authorized audio system repair facility. CLEAR the DTCs. REPEAT the self-test after the repair. |
| B2103 | Antenna Not Connected | Audio Unit | GO to PINPOINT TEST D . |
| B2204 | GPS Antenna Connection Open or Short | Audio Unit | GO to PINPOINT TEST J . |
| B2274 | Phone Transceiver Active Circuit Failure | Audio Unit | DTC is not applicable. DISREGARD the DTC. CLEAR the DTCs. REPEAT the self-test. |
| B2384 | Audio Reverse Park Aid Mute Circuit Failure | Audio Unit | DTC is not applicable. The park aid mute signal is sent through the controller area network (CAN). DISREGARD the DTC. CLEAR the DTCs. REPEAT the self-test. |
| B2404 | Audio Steering Wheel Switch Circuit Failure | Audio Unit | GO to PINPOINT TEST G . |
| B2405 | Audio Disc CD Player Thermal Shutdown Fault | Audio Unit | ALLOW the audio unit to cool. DISREGARD the DTC. CLEAR the DTCs. REPEAT the self-test. |
| B2406 | Audio Disc CD Player Internal Fault | Audio Unit | CLEAR the DTCs. REPEAT the audio unit self-test. If DTC B2406 is retrieved again, REMOVE the audio unit. REFER to AUDIO UNIT . SEND it to an authorized audio system repair facility. CLEAR the DTCs. REPEAT the self-test after the repair. |
| B2477 | Module Configuration Failure | Audio Unit | REFER to MODULE CONFIGURATION to continue diagnosis of the module configuration. |
| B2656 | DVD (Digital Versatile Disc) Internal Error | Audio Unit | REMOVE the navigation map DVD. With a soft cloth WIPE the DVD in outward direction starting from the center. MAKE sure there are no fingerprints or scratches on the DVD surface. INSERT the DVD. CLEAR the DTCs. REPEAT the self-test. If DTC B2656 is retrieved again, INSERT a known good navigation map DVD. CLEAR the DTCs. REPEAT the self-test. If DTC B2656 is retrieved again, REMOVE the audio unit. REFER to AUDIO UNIT . SEND the audio unit to an authorized repair facility. TEST the system for normal operation after the repair. |
| B2924 (except navigation) | Audio Button Stuck | Audio Unit | CLEAR the DTCs. REPEAT the audio unit self-test. If DTC B2924 is retrieved again, REMOVE the audio unit. REFER to AUDIO UNIT . SEND it to an authorized audio system repair facility. CLEAR the DTCs. REPEAT the self-test after the repair. |
| B2924 (navigation) | Audio Button Stuck | Audio Unit | CLEAR the DTCs. REPEAT the self-test. If DTC B2924 is retrieved again, GO to PINPOINT TEST M . |
| B2965 | Audio System Speaker Circuit Fault | Audio Unit | GO to PINPOINT TEST E . |
| C1992 | Vehicle Speed Circuit Failure | Audio Unit | DTC is not applicable. DISREGARD the DTC. CLEAR the DTCs. REPEAT the self-test. |
| P0812 | Reverse Input Circuit | Audio Unit | DTC is not applicable. DISREGARD the DTC. CLEAR the DTCs. REPEAT the self-test. |
| U0073 | Control Module Communication BUS Off | Audio Unit | REFER to PINPOINT TEST H: THE AUDIO/AUDIO NAVIGATION UNIT DOES NOT RESPOND TO THE DIAGNOSTIC TOOL to continue diagnosis of the communication network. |
| U1900 | CAN Communication BUS Fault - Receiver Error | Audio Unit | REFER to PINPOINT TEST H: THE AUDIO/AUDIO NAVIGATION UNIT DOES NOT RESPOND TO THE DIAGNOSTIC TOOL to continue diagnosis of the communication network. |
| U2050 (navigation only) | No Application Present | Audio Unit | REFLASH the audio unit. If the DTC occurs after a software reflash, REFLASH the audio unit again. If the DTC reoccurs after the second attempt to reflash, REMOVE the audio unit. REFER to AUDIO UNIT . SEND the audio unit to an authorized repair facility. TEST the system for normal operation after the repair. |
| U2051 (navigation only) | One or More Calibration Files Missing/Corrupt | Audio Unit | REFLASH the audio unit. If the DTC occurs after a software reflash, REFLASH the audio unit again. If the DTC reoccurs after the second attempt to reflash, REMOVE the audio unit. REFER to AUDIO UNIT . SEND the audio unit to an authorized repair facility. TEST the system for normal operation after the repair. |
| U2473 | Unexpected Vehicle Speed (VSS) | Audio Unit | GO to SYMPTOM TABLE - NAVIGATION to follow symptom-driven diagnostics for the navigation audio unit. |
DIGITAL VERSATILE DISC (DVD) PLAYER DIAGNOSTIC TROUBLE CODE (DTC) INDEX
| DTC | Description | Source | Action |
|---|---|---|---|
| B1317 | Battery Voltage High | DVD Player | CLEAR the DTCs. REPEAT the DVD player self-test. If DTC B1317 is retrieved again, REFER to CHARGING SYSTEM - GENERAL INFORMATION to diagnose the charging system. CLEAR the DTCs. REPEAT the self-test. |
| B1318 | Battery Voltage Low | DVD Player | CLEAR the DTCs. REPEAT the DVD player self-test. If DTC B1318 is retrieved again, REFER to PINPOINT TEST A: THE BATTERY IS DISCHARGED OR BATTERY VOLTAGE IS LOW to diagnose the charging system. CLEAR the DTCs. REPEAT the self-test. |
| B1342 | ECU is Faulted | DVD Player | CLEAR the DTCs. REPEAT the DVD player self-test. If DTC B1342 is retrieved again, REMOVE the DVD player. REFER to DIGITAL VERSATILE DISC (DVD) PLAYER . SEND it to an authorized audio system repair facility. REPEAT the self-test after the repair. |
| B2656 | Digital Versatile Disc (DVD) Error | DVD Player | CLEAR the DTCs. INSERT a known good DVD. REPEAT the DVD player self-test. If DTC B2656 is retrieved again, REMOVE the DVD player. REFER to DIGITAL VERSATILE DISC (DVD) PLAYER . SEND it to an authorized audio system repair facility. REPEAT the self-test after the repair. |
| U0073 | Control Module Communication BUS Off | DVD Player | REFER to MODULE COMMUNICATIONS NETWORK to continue diagnosis of the communication network. |
| U1900 | CAN Communication BUS Fault - Receiver Error | DVD Player | REFER to MODULE COMMUNICATIONS NETWORK to continue diagnosis of the communication network. |