Turn on the ignition. The control lamp of the engine management system should light up for about 2 seconds. If the lamp does not light up, then check the following:
- A) The light bulb burned out.
- b) Fuse No. 3 defective (which causes malfunctions in components such as the reversing light, seat belt control, clock, radio memory).
- With) Open circuit between fuse and combined measuring instrument.
- d) Open circuit between the combined measuring instrument and the ECU.
After the control lamp and indicators of self-diagnosis light up, switch off the ignition. Switch on the ignition again. If the LEDs do not light up, check the following:
- A) Fuse defective.
- b) Open circuit between ECU and fuse.
Replace the ECU module only after checking the reliability of the connection of all contacts and connectors.