The check is carried out with a serviceable and well-charged battery. with intact and securely connected «mass» motor wire. with a serviceable fuel pump and turnip of its inclusion, with intact fuses.
Disconnect the injection computer connector and check according to the table «Checking the electrical parameters of the STsV «Mono-Jetronic» through the ECU connector».
Warning. It is forbidden to connect the probes of the measuring device (ohmmeter or voltmeter) to the connector pins. It is recommended to connect the device from the reverse side of the connector to the supply wires, to access which it is necessary to move the protective plastic cover of the connector. The most acceptable for measurements is the use of a special adapter that is connected to the connector and has the same pin numbering.
Pic. 2-72. SCV connection diagram «Mono-Jetronic» engine «RP» release before 1993:
1 - ECU;
2 - relay for switching on the heating of the oxygen content sensor in the exhaust gases;
3 — oxygen content sensor in exhaust gases;
4 - idle speed regulator;
5 - throttle position sensor;
6 - intake air temperature sensor;
7 - coolant temperature sensor;
8 — the relay of inclusion of the fuel pump;
9 - battery;
10 - ignition switch;
11 - injector ballast resistor;
12 - fuel pump;
13 - nozzle;
14 - switch;
15 - electromagnetic shut-off valve of the adsorber;
16 - ignition delay control valve;
17 - solenoid valve purge adsorber;
18 - a control lamp for a malfunction of the injection system.
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