The car suddenly refused to start. A local mechanic called and started it within one minute. Apparantly the immobiliser needed to be reset. This, he said, was caused by low battery voltage. However, there seems to be lots of power in the battery. I had cranked the engine many times over a period of one hour. He says that if the battery voltage drops below 7v then the immobiliser will refuse to work. To reset the immobiliser he said to get a new battery, then turn ignition on/off quickly 4 times. The key fob refused to work some months ago and I've been unlocking the car manually with the key. I'd welcome any comments before changing the battery. Any comments please?
The mechanic that you talked to was exactly right
Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/sean_54c3a3dc48a7773c
Hello
The engine
and transmission in this cars drive train are fully
electronically controlled by a computer called the PCM (Power Train
Control Module). Whenever a problem like this occurs the computer
stores a record of the problem (there are of course some exceptions
to this, like the fuel pump for instance) in the form of a fault code
in its memory, to read these fault codes you must have the systems
memory scanned with a special tool. Once the fault code(s) are read
you then must perform the appropriate diagnostic testing to find and
resolve the problem(s) DO NOT REPLACE ANY PARTS UNTIL THE
DIAGNOSIS & TESTING IS COMPLETED.
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