4-13-5-samodiagnostika-ksud.html
4.13.5. KSUD self-diagnosticsPossibilities of KSUD allow to define malfunction of the main sensors of system independently. The self-diagnostics mode at which malfunctions are determined by the conditional code transferred by a blinking of the yellow indicator in a combination of devices is for this purpose used.
For transition to a mode of self-diagnostics turn the ignition key in the situation "ON". Thus in a combination of devices the yellow indicator of malfunction of KSUD should light up. Start up the engine. Through 2 — 3 about the indicator should go out that means lack of malfunctions in system. If the indicator does not die away, execute the following actions:
— switch off ignition;
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Fig. 2.94. Installation of a wire crossing point between «IGN» and «CHK» conclusions on diagnostics block
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— put a wire crossing point between "SNK" and «IGN» conclusions on diagnostics block (fig. 2.94);
— through 2 with remove a crossing point.
The control lamp will start to blink, displaying a conditional code the malfunctions fixed by the controler. At first long flashes transfer number of tens of conditional code, then short — number of units. Codes of malfunction of KSUD are given in tab. 2.14
Table 2.14 Codes of malfunction of KSUD
Malfunction code
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Malfunction place
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11
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Sensor of provision of a camshaft and frequency of rotation of the engine
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12
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Measuring instrument of a mass consumption of air
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13
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The sensor of temperature of cooling liquid
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21
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Violation of work of a subsystem of management by an ignition advancing
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34
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The detonation sensor (on the SR20DE engine)
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43
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Sensor of provision of a butterfly valve
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55
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Malfunctions are absent
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After completion of check switch off ignition.
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