Test Notes
You should enter this pinpoint test only when directed here from the symptom flowcharts.This pinpoint test is intended to diagnose only the following:
- Powertrain Control Module (PCM)
- Injector Driver Module (IDM)
- Harness circuits: Cylinder Identification (CID)
Test Schematic:
DESCRIPTION
The CID output provides information to the IDM so that the injector current can be applied to the correct injector.
DTC DESCRIPTION
1667 = CID circuit failure.