Does the early 164 V6 Motronic ECU have an internal or external igntion module?
Series 1 164 12v V6 ignition controlled by Motronic ECU so no seperate ignition module.
But to be specific, the module that drives the coil and is external on many cars is built into the Motronic 4.1 ECU.To add to what Steve said, Motronic (ML4.1 & M1.7) include spark ignition control logics inside the ECU's so there's no other external spark "control" ECU.
No there isn't any external coil switching module on the 164 like the seperate EZ ignition ECU under the dash or the switching module mounted on coil bracket like there was on 84-87 GTV6 and Miliano aka 75.Thanks for reply's guys, but me thinks I should have worded my question slighly different.
What I nead to know is, is there an external (from the ECU) ignition coil switching module? That is, a solid state device that gets it's signal from the ECU to switch the coil negative either open or closed but does not have any relevance to the actual ignition timing, it just handles the relatively high current loads.
Sorry for any misunderstandings![]()