Which DIS module pins drive the ignition coils?

Pin 8 drives COIL 1, pin 11 drives COIL 2, and pin 9 drives COIL 3, all going to the coil pack.

How are the spark plugs paired on the coil pack?

The plugs are paired as 1 (+) with 5 (−), 3 (+) with 4 (−), and 2 (+) with 6 (−).

What signals pass between the DIS module and the EEC-IV processor?

The DIS module sends IDM from its pin 12 to EEC-IV pin 4, and receives SPOUT on its pin 5 from EEC-IV pin 36. The EEC-IV also receives CID on pin 24, PIP on pin 56, and IGN GND on pin 16.

What do the camshaft and crankshaft sensors provide?

The camshaft sensor provides the CID signal and the crankshaft sensor provides the PIP signal; both sensors are powered by VBAT and grounded via IGN GND.

Which DIS module pins are power and ground?

Pins 1 and 2 are VBAT power and pin 7 is IGN GND; a chassis ground is also shown at the module.

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Ford DIS Ignition Block Diagram - EEC-IV, Coil Pack & Sensor Wiring (V6)

DIS ignition schematic showing cam and crank sensors, DIS module, coil pack and EEC-IV processor

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Schematic of a distributorless ignition system showing the DIS module, coil pack, sensors and EEC-IV processor.

AI caption July 2007 · Photo 732 of 1028

This document is a block diagram (schematic) of a Ford Distributorless Ignition System (DIS). It shows how the camshaft sensor and crankshaft sensor, each powered by VBAT and grounded through IGN GND, feed CID and PIP signals to the DIS module. The DIS module (with labeled pins 1, 2, 4, 5, 7, 8, 9, 11, 12) receives VBAT power (pins 1/2), ignition ground (pin 7), the PIP signal (pin 4), and the SPOUT signal from the EEC-IV processor (pin 5). It outputs COIL 1 (pin 8), COIL 2 (pin 11), and COIL 3 (pin 9) drive signals to a three-coil coil pack, and sends the IDM signal (pin 12) to the EEC-IV processor. The EEC-IV processor pins shown are 4 (IDM), 36 (SPOUT), 24 (CID), 56 (PIP), and 16 (IGN GND). The coil pack fires six spark plugs in paired outputs, with plug polarity marked: plugs 1(+)/5(−), 3(+)/4(−), and 2(+)/6(−). A reader can learn the overall signal flow of the DIS ignition system, the module and processor pin assignments for key signals, and the coil-to-spark-plug pairing for a six-cylinder engine.

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Frequently asked questions

Which DIS module pins drive the ignition coils?: Pin 8 drives COIL 1, pin 11 drives COIL 2, and pin 9 drives COIL 3, all going to the coil pack.
How are the spark plugs paired on the coil pack?: The plugs are paired as 1 (+) with 5 (−), 3 (+) with 4 (−), and 2 (+) with 6 (−).
What signals pass between the DIS module and the EEC-IV processor?: The DIS module sends IDM from its pin 12 to EEC-IV pin 4, and receives SPOUT on its pin 5 from EEC-IV pin 36. The EEC-IV also receives CID on pin 24, PIP on pin 56, and IGN GND on pin 16.
What do the camshaft and crankshaft sensors provide?: The camshaft sensor provides the CID signal and the crankshaft sensor provides the PIP signal; both sensors are powered by VBAT and grounded via IGN GND.
Which DIS module pins are power and ground?: Pins 1 and 2 are VBAT power and pin 7 is IGN GND; a chassis ground is also shown at the module.