O6 RESYNCHRONIZE THE INOPERATIVE PASSIVE KEY
Does the suspect key operate correctly now?
Yes | The system is OK. The concern was caused by a key out of synchronization. |
|---|---|
No | GO to O7 |
O7 RESYNCHRONIZE THE INOPERATIVE KEY USING THE SECOND KEY
Press any button on the operational key. Within 30 seconds, press any button on the suspect key. Check the suspect key for correct operation.
Does the suspect key operate correctly now?
Yes | The system is OK. The concern was caused by a key out of synchronization. |
|---|---|
No | GO to O10 |
O8 CHECK THE (RKE) REMOTE BATTERY LOW (RKE_BATT_LOW) PID (PARAMETER IDENTIFICATION)
Using a diagnostic scan tool, view the BCM Paramater Identifications (PIDs). Using a diagnostic scan tool, monitor the BCM PID RKE_BATT_LOW.
Does the PID indicate Off?
Yes | GO to O10 |
|---|---|
No | GO to O9 |
O9 CHECK THE KEY BATTERIES
NOTE: Do not clean off any grease from the battery terminals on the back surface of the circuit board. Remove the passive key batteries. Refer to the Owner Guide for battery removal instructions. Verify the correct batteries are used (CR2025). Remove both key batteries and measure the voltage.
Are the voltages greater than 2.5 volts?
Yes | GO to O10 |
|---|---|
No | REPLACE both key batteries (make sure the batteries are seated correctly). DO NOT reprogram the key (damaged or dead batteries do not erase keys from memory). |
O10 PROGRAM THE SUSPECT KEY
Program the suspect key. REFER to: Anti-Theft Security Access (419-01B Passive Anti-Theft System (PATS), General Procedures). Check the RKE functionality of the suspect key.
Does the RKE functionality operate?
Yes | The system is OK. The concern was caused by an unprogrammed key. |
|---|---|
No | REPLACE the suspect key. PROGRAM the new key. REFER to: Anti-Theft Security Access (419-01B Passive Anti-Theft System (PATS), General Procedures). |
O11 CHECK FOR COMMUNICATION WITH THE BCM (BODY CONTROL MODULE) AND THE RTM (RADIO TRANSCEIVER MODULE)
Ignition ON. Using a diagnostic scan tool, perform a network test.
Does the BCM and the RTM pass the network test?
Yes | GO to O12 |
|---|---|
No | REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing). |
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.