Modern Vespa

hi all when ignition is off the immobiliser light does not flash when you turn ignition on a0.7 second flash then two flashes the fault is still there using service key and master key the service manual says to change the aerial wiring but the aerial wiring is part of the loom do have to change the whole loom to fix the fault the engine will not rev hope some one can help me fix fault thanks

change the aerial

hi put new one on still the same when I turn on ignition imbolziser light comes on then will go out & two 0.7 flashes the light will go out & I can start the engine but it will not rev when ignition is off light will not flash

Using both the Master key and the Service key, do the key-pairing sequence described in the workshop manual.

hi yes

hi has any one by passed the immobiliser on 2021 Piaggio m p3 500 sport or where I can get some one to by pass it for me

You can't as the ECU stores the keys electronic codes. The only way is virginize the ECU and with a new antenna record the new codes, but always you need to have keys codes in the ECU so it works.

Remember, the idea is a immobilizer, no one with a wrong code key can start the engine

hi how do you Virginize the e c u & record new key codes on 2021 Piaggio mp3 500 h p e sport I have a new antenna

You need PADS (Piaggio Advanced Diagnostics System) or a knockoff workalike clone.

PADS is only offered to dealers and on a subscription basis only. Don't know about the clones

where can I get a cloned diagnostic system

In the same place where 99% of the clones and copies born… China je je je je je

You can search for the OBDSTAR iStar for Piaggio Group as a option to do that.

Or you can send your ECU to a place that do it for you as AF1Racing in example

I wish I could virginize the girlfriends I've had

how do you test the six wires on the immobiliser & the wires going to antenna I still can not get the engine to rev it will start ok

If is a problem with the immobilizer, the engine don't start. It act at the moment you crank the engine, not after the engine is on.

From my point of view, if your engine starts but don't rev (or don't goes over 2000 RPM) is a problem with seat sensor and you need to have a red light in your dash indicating that is no one in the seat (always is possible that the dash sign is burned).

Search for posts where indicated how to disable the seat sensor (I don't remember if is a 1KOhm resistance place between the cables after disconnect the plug that goes to the sensor). If problem continue, is good idea to check the continuity of the wires from the plug to the ECU to be sure is not one punctured or broken.

It's 3kOhm.