Disable the immobilizer in the ECM, that proves the ECM is active. Re-enable the immobilizer in the ECM and retest the PIN in both the ECM and cluster. Adapt all keys and passed. Still a no start but with key failure faults. This is where the process of elimination takes effect.
there should be 5 leads trailing from the cap - the lead in the centre leads to the "coil", the other 4 leads go to the spark plugs. There should only be 4 as the Mk1 was only made as a 4 cylinder engine. Pull off the leads (though not whilst the engine is running as you'll electrocute yourself) and the spark plugs will be revealed. Posted on
20. Audi Q3. 4th immobilizer system – Instrument cluster. Support function: read/write EEPROM, read/write FALSH (part support), change KM, add key, read START/STOP key data etc VVDI2 – VAG provide auto detect cluster login type. 4th immobilizer cluster use MEGAMOS 48 transponder as key, see the following explanation:
WIKI + 1.4L NOT SOLD ELSEWHERE. From 1984 to 2009, Volkswagen of South Africa manufactured two variants of the Mk1 Golf; The 2007 VW South Africa Citi Golf range starts with a standard Citi Golf, in either 1.4 or 1.6 litre fuel injected models. The 2009 VW South Africa Citi Golf range consisted of four new models:
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how to deactivate immobilizer vw