Diagnostic Aids
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2003 Ford RV Cutaway, 2003 Ford Pickup, 2003 Ford F550 Super Duty, 2003 Ford F450 Super Duty, and 2003 Ford Excursion. However, it is still accessible from the selected car via links, so may be relevant.
An inactive CMP signal during cranking is detectable by PCM and will cause a no-start condition. Electrical noise can also be detected by PCM and if noise level effects engine operation, a corresponding DTC will be set. Perform this test when directed by QUICK TEST. This test is only intended to diagnose the following components and circuits:
- Camshaft Position (CMP) Sensor
- Wiring Harness Circuits; (CMP, CMP GND & VREF)
- Powertrain Control Module (PCM)