Engine management and emission control systems General information In order to reduce the emission of toxic components into the atmosphere that enter the composition of the exhaust gases of the engine as a result of evaporation and incomplete combustion of the fuel,...
Engine Management Specifications Heated lambda probe Characteristic Meaning Operating voltage, V 0.4 ÷ 0.6 Electrical resistance, Ohm 11 ÷ 16 Crankshaft position sensor Characteristic Meaning Resistance between terminals Ne+ and Ne–, Ohm At...
Using an oscilloscope to observe the operating signals of a control system General information DMMs are great for testing electrical circuits that are in a static state, as well as capturing slow changes in monitored parameters. When conducting dynamic checks performed on a running engine, as...
Checking the condition and replacing the ECM Examination ECM installation details 1. On all models, the ECM is mounted on the right under the instrument panel, behind the glove box (refer to illustration above), – to gain access, remove the glove box (see chapter...
Information sensors — general information and verification Attention! To avoid damage to the ECM, use only a high voltage digital voltmeter when performing the following checks (over 10 MΩ) impedance! Attention! A car equipped with an OBD-II system should be driven to a service...
Replacement of information sensors Engine coolant temperature sensor (EATING) Attention! Wait until the engine has completely cooled down before proceeding with the procedure! ECT Sensor Installation Components On V8 petrol models, the sensor is located...
Evaporative Emission System (EVAP) General information Typical EVAP System Component Layout The EVAP system accumulates fuel vapors accumulated in the fuel system while the vehicle is parked and ensures that they are discharged into the intake tract for...
Controlled crankcase ventilation system (PCV) General information Scheme of crankcase gas flow in engines equipped with a typical PCV system PCV system (refer to illustration above) serves to reduce the emission of hydrocarbon compounds into the atmosphere due to...
Catalytic converter — general information, check and replacement Note. To avoid voiding your warranty on emission control system components, have the catalytic converter inspected and serviced at an auto repair shop. General information The catalytic converter is a component of...