Diagnostic Aids
WARNING: This page is about a different variant/trim than selected.
CMP signal provides PCM information for fuel injector synchronization. The CMP signal originates from Camshaft Position (CMP) sensor. Enter this system test only when instructed during QUICK TEST. This test is only intended to diagnose the following:
- Faulty CMP Sensor
- Wiring Harness Circuits (CMP, CMP/TSS GND, PWR GND, SIG RTN & VPWR)
- Faulty Powertrain Control Module (PCM)
Courtesy of FORD MOTOR CO.
Courtesy of FORD MOTOR CO.
Courtesy of FORD MOTOR CO.Fig 5: Identifying CMP Circuits & Connector Terminals (Explorer & Mountaineer With 150-Pin PCM, LS 3.9L & Thunderbird)
Courtesy of FORD MOTOR CO.
Courtesy of FORD MOTOR CO.


