Check to make on the engine warmed up to oil temperature not lower than 80°C. Connect the UOS tester and control tachometer according to the operating instructions. Start the engine and let it idle. Increase the engine speed to 3500 rpm and check the ignition timing, which should be within 32-36°before TDC. To set the ignition timing, it is necessary to use the VW 1551 block. If the UOZ does not comply with the specified limit, check the electrical wires and connections of the ECSC. If they are good, replace the controller.
Scheme of electrical connections of KSUD «Digifant 3.0/3.2» is given in the section «electrical equipment» (pic. 8-42).
To determine possible malfunctions of the CMCD «Digifant 3.0/3.2», their causes and methods of elimination use the appropriate table related to the ATCM «Simos».
Valve winding resistance 3.5-4.5 ohms.
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