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DTC 63 Will Set When
No voltage is supplied by the ECM through the EST “B” line while reference pulses are received by the ECM from the crankshaft position sensor
check white wire terminal B on ignition coil to ECM terminal C14 for open circuit or short to ground while disconnected if thats ok check for voltage signal at B while cranking no signal ECU faulty. voltage signal also on A terminal while cranking and check earth terminal C to body no higher than 5 Ohms
power is terminal D 12V
if getting power, earths good, and both signal voltages are going into coil pack, coil pack is faulty.
Here is some extra information on replacing the Daewoo Lanos indicator / hazard lights relay. Open the driver door, on the side of the dashboard there is an access panel. Flip it open with a screwdriver. Now you can pull out a violet connector block. The relay is plugged into this block, it is green. You can just pull it out of the connector block and replace it by a new one. The part number is 96312545, and it has three pins, numbered 31, 49 and 49A. Other specifications: 12V 2/4x21W. It is made by Daewoo / DECO. The same type of relay is used in the Daewoo Matiz. I picked up a used relay from an old Matiz for 2 euros and the indicator/hazard lights work like a charm again. The whole replacement took about 2 minutes, but it took me days to get the used part. Probably other relays with these three pins will work too: google for "31 49 49A". Hope this is useful to other people who run into problems with the Daewoo Lanos indicator lights!
the problem lies in the drivers side operating switch for the central locking .this would involve removing the drivers side door handle and checking the switch mechanism thats built into the lock,havent done one o n this model only a opel astra ---but they are different from the opel although the car looks the same ,well similar pull it off have a go ,the key barrel must turn something so look for an internal switching or external switching and see if the spring is ok that returns the switch
Remove the wheel ,then track end ,brake caliper support ,the pinch bolt that holds housing to the strut ,lower track control arm swivel.pull off and place on bench .knock the centre hub piece out and on the inside of the housing is a big circlip that holds it in .Then take to a garage and have the old one pressed out and the new one pressed in.stripping shouldnt take more than 35mins ,visit to garage for the pressing?? allow 2 days --- refitting max half hour