U: IDM Electronic Feedback (EF)
Introduction
Introduction
1996 PCED OBDI | SECTION 18: Diesel Diagnosis — 7.3L DI Engine |
U: IDM Electronic Feedback (EF) Introduction | U: Pinpoint Tests |
You should enter this pinpoint test only when directed here from the symptom flowcharts.
This pinpoint test is intended to diagnose only the following:
The IDM provides the EF output signal to the PCM to confirm that proper timing/duration of fuel delivery command signal (FDCS) was received. Additionally, the EF signal is used to send diagnostics of the IDM and injectors (electrical) to the PCM.
1668 = PCM-IDM diagnostic communication error.
1670 = Electronic feedback signal not detected.
P1316 = Indicates that IDM DTCs are stored within the IDM.
| U: Pinpoint Tests |