Pinpoint Test QA: Unable to Activate Self-Test/Network Communication Error: Introduction: Notes
NOTE:
PCM diagnostic tool protocol is dependent upon vehicle application and configuration. Refer to SYSTEM WIRING DIAGRAMS
for module and connector locations. REFER to MODULE COMMUNICATIONS NETWORK
for description and operation information.
PCM COMMUNICATION PROTOCOL AND VREF INFORMATION TABLE
| Application | Engine | PCM Protocol | Measure the PCM VREF at: |
|---|---|---|---|
| Aviator | All | SCP | TPS |
| E-150/E-250 4.6L | All | CAN | FRP |
| Excursion | All | SCP | TPS |
| Explorer Sport Trac | All | SCP | TPS |
| Explorer/Mountaineer 4.6L | All | CAN | FRP |
| F-150 | All | CAN | FRP |
| Ford GT | All | SCP | TPS |
| Freestar/Monterey | All | SCP | TPS |
| Lincoln LS/Thunderbird | All | CAN | FRP |
| Ranger | All | SCP | TPS |
| Taurus/Sable | All | CAN | TPS |
| All others | All | CAN | FRPT |