Pinpoint Tests

Symptom and Code Indexes: Use the index to find the appropriate Diagnostic Test Charts. Scroll down to find the Diagnostic Test Charts.

Diagnosis By Symptom Index:

Diagnostic Trouble Code (DTC) Index:

Supplemental Testing Information: Information aids to be used with the Diagnostic Test Charts. Scroll down to find the Diagnostic Test Charts.

Wiring Schematic - Integrated Controller:

Pin Usage - Integrated Controller:

Wiring Schematic - EEC-IV System:

Pin Usage - EEC-IV Module Connector:

Wiring Diagram - Integrated Controller:

Wiring Diagram - Electronic Engine Control:

Location View - Front Radiator Support Wiring.:

The High Speed Electro Drive Fan (HEDF) and Low Speed Electro Drive Fan (EDF) Relays are part of the Integrated Control Module; which is located on the radiator support.

The Electronic Control Assembly (ECA) is located under the right hand side of the Instrument Panel.

Diagnostic Test Charts:

Pinpoint Test Schematic:

Pinpoint Test Warning:

Pinpoint Test X16 - X21:

Pinpoint Test X22 - X24:

Pinpoint Test X25 - X30:

Pinpoint Test X31 - X33:

Pinpoint Test X35 - X37: