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:

Wiring Diagram - Integrated Control Module:

Wiring Diagram - Electronic Engine Controls:

Wiring Diagram - Electronic Engine Controls:

Wiring Diagram - Electronic Engine Controls:

Location View - Right Side Of Engine Compartment:

The Electronic Control Assembly (ECA) is located on the right hand side, at the front of the dash.

Location View - Front Of Engine Compartment:

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.

Diagnostic Test Charts:

Pinpoint Test X - Integrated Controller:

Pinpoint Test X Schematic - Integrated Controller:

Pinpoint Test X16 Thru X21 - Integrated Controller:

Pinpoint Test X22 Thru X24 - Integrated Controller:

Pinpoint Test X25 Thru X30 - Integrated Controller:

Pinpoint Test X31 Thru X33 - Integrated Controller:

Pinpoint Test X35 Thru X37 - Integrated Controller:

Pinpoint Test X80 & X81 - Integrated Controller:

Pinpoint Test X82 Thru X84 - Integrated Controller: