D4 HECK THE BACKUP STARTING METHOD USING THE VALID PROGRAMMED KEY
Does the ignition transition out of OFF?
Yes | INSTALL the BCM fuse 32 (10A). REMOVE the valid key from the backup starting location. Place the suspect in the backup starting location and PROGRAM the key again. REFER to: Anti-Theft Security Access (419-01B Passive Anti-Theft System (PATS), General Procedures). If the key does not program, DISCARD the suspect key and PROGRAM a new key. |
|---|---|
No | INSTALL the BCM fuse 32 (10A). GO to D5 |
D5 VERIFY THE KEY PLACEMENT
Verify the key is correctly placed in the backup starting location. REFER to: Passive Anti-Theft System (PATS) - System Operation and Component Description (419-01B Passive Anti-Theft System (PATS), Description and Operation). Press the START/STOP button.
Does the ignition transition out of OFF?
Yes | The vehicle is operating correctly. The concern was caused by an improperly placed passive key. |
|---|---|
No | GO to D6 |
D6 CHECK THE PATS (PASSIVE ANTI-THEFT SYSTEM) FRONT ANTENNA
NOTE: For a concern with key programming or if unable to start the vehicle with the passive key in the backup starting location, follow the diagnostics for the PATS front antenna.
Disconnect PATS Front Antenna. Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C3513, pin 1, component side | C3513, pin 2, component side |
Is the resistance between 1 and 3 ohms?
Yes | GO to D7 |
|---|---|
No | INSTALL a new PATS front antenna. REFER to: Passive Anti-Theft System (PATS) Front Antenna (419-01B Passive Anti-Theft System (PATS), Removal and Installation). |
D7 CHECK THE PATS (PASSIVE ANTI-THEFT SYSTEM) FRONT ANTENNA CIRCUITS FOR A SHORT TO VOLTAGE
2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.