Attention: ECM ECM, must not be removed from the car, while the main relay is interrupted power supply. This can take up to 150 seconds of motronic 4.4 systems after ignition has been turned off. car with an immobilizer can take up to 245 seconds after ignition has been turned off. removal and installation 1. as part of the system of securing against in cars equipped with an engine block the ECM in the engine compartment is locked in place with the locking Strip. locking Strip is installed by the security screw. see Figure 1. mark the center of the screw hole and made suitable for the puller screw. Insert screw puller and remove the screw. remove the security strap during the coverage of the module control. trimmed carefully of the coverage of the module of control so that there is no contamination or residue in the box when it is opened. 2. check that the supply from the main relay is interrupted. the easiest way is to insert the tip of the fingers of the idle air control valve. When the valve stops vibrating, the main relay is cut off supply to the system. 3. open the cover and remove the ECM motronic ECM (module closest engine). see Figure 2. 4. inspect the connector pins and the voltage for damage. Install ECM. contact scanning dlc. see Figure 3. Switch on the ignition. taking into account all the codes for the diagnostic abnormalities (dtcs). Delete the dtcs and restore adaptive functions, using the instrument scan.
