System troubleshooting and troubleshooting require special tools. Refer to Section Troubleshooting. It is desirable to carry out work in the conditions of a service station. Only external checks are described here.
1. Check the voltage and state of charge of the battery.
2. Check all fuses, refer to Section Replacing fuses.
3. Disconnect and reconnect all plug connections of the corresponding electronic system. Check the tightness of the plug connections and cables in the engine compartment.
4. Check up all connections of weight and reliability of contacts.
5. Check tightness of hoses and pipelines. Pay attention to the presence of pores and cracks. Tighten loose connections.