Pinpoint Test W: No Global Positioning System (GPS) Antenna Signal

Information and Entertainment System

Pinpoint Test W: No Global Positioning System (GPS) Antenna Signal

Normal Operation

The Global Positioning System (GPS) antenna provides information from the GPS (Global Positioning System) satellite system to the Audio Control Module (ACM). This information is used to calculate position and direction of travel.

A splitter is used in the front satellite radio antenna cable to split the signals between the satellite radio and the GPS (Global Positioning System). It is possible that a concern in the GPS (Global Positioning System) signal line after the splitter may cause a navigation system concern without affecting the satellite radio.

- DTC B119F:01 (GPS (Global Positioning System) Antenna: General Electrical Failure)- sets when any failure is detected in the GPS (Global Positioning System) antenna circuit.

- DTC B119F:13 (GPS (Global Positioning System) Antenna: Circuit Open)- sets when an open is detected in the GPS (Global Positioning System) antenna circuit.

This pinpoint test is intended to diagnose the following:

- Satellite radio antenna cable

- ACM (Audio Control Module)

PINPOINT TEST W : NO GPS (Global Positioning System) ANTENNA SIGNAL

W1 CHECK THE SATELLITE SIGNAL PID (SAT_SIG_STR)

- Enter the following diagnostic mode on the scan tool: ACM (Audio Control Module) DataLogger.

- Monitor the ACM (Audio Control Module) PID (SAT_SIG_STR).

Does the PID indicate "No Signal"?

Yes
GO to Pinpoint Test B. Pinpoint Test B: Poor Reception/Poor Sound Quality/No Sound - Satellite Radio

No
GO to W2.

W2 CHECK FOR GPS (Global Positioning System) SIGNAL-RELATED DTCs

- Clear the ACM (Audio Control Module) DTCs.

- Carry out the ACM (Audio Control Module) self-test.

Is DTC B119F:01 or DTC B119F:13 retrieved?

Yes
INSTALL a new front satellite radio antenna cable. REFER to Antenna Cable - Satellite Radio . CLEAR the DTCs. TEST the system for normal operation.

No
GO to W3.

W3 CHECK FOR CORRECT ACM (Audio Control Module) OPERATION

- Ignition OFF.

- Disconnect all the ACM (Audio Control Module) connectors.

- Check for:
- corrosion

- damaged pins

- pushed-out pins


- Connect all the ACM (Audio Control Module) connectors and make sure they seat correctly.

- Operate the system and verify the concern is still present.

Is the concern still present?

Yes
INSTALL a new ACM (Audio Control Module). REFER to Audio Control Module (ACM) - Fusion or Audio Control Module (ACM) - MKZ . TEST the system for normal operation.

No
The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. CLEAR any DTCs present.