Toyota 4 Runner/Hilux/Surf

1987-1998 of release

Repair and car operation



Toyota 4Раннер
+ 1. Maintenance instruction
+ 2. Maintenance
+ 3. Engines
+ 4. Systems of heating, ventilation
- 5. Fuel and exhaust systems
   5.1. Specifications
   5.2. Order of a decompression of fuel system
   + 5.3. Fuel pump and pressure of fuel
   5.4. Hoses and connections
   5.5. Fuel tank
   5.6. Fuel pump
   5.7. Fuel level sensor
   5.8. Air filter
   5.9. Butterfly valve cable
   - 5.10. System of electronic injection of fuel (EFI system)
      5.10.1. EFI system check
   + 5.11. Units of system of injection of fuel
   5.12. Service of an exhaust system
   + 5.13. System of decrease in toxicity of exhaust gases
+ 6. Transmissions
+ 7. Transmission elements
+ 8. Brake system
+ 9. Suspension bracket and steering
+ 10. Body
+ 11. Electric equipment
+ 12. Electroschemes




5.10.1. EFI system check

PERFORMANCE ORDER
1. Check reliability of all connections with weight. Check conducting and system sockets. Weakening of electric connections and bad contact to weight can cause many malfunctions which are observed as serious refusals.
2. Check degree of a zaryazhennost of the battery. Normal operation of sensors and actuation mechanisms of a dosage of fuel depends on supply voltage.
3. Check a condition of the air filter.
4. If the fused safety lock is found, replace it and check work of the corresponding chain. If the safety lock fuses again, find in conducting the wire closed on weight.
5. Check tightness of the channel of an air line.
6. Remove from the zaslonka case an air line and check existence of resinous deposits and a deposit.
7. On the working engine put a stethoscope (or a screw-driver) to each of nozzles and hear to the characteristic clicks indicating normal work of nozzles.
8. If necessary it is possible to use the light indicator.
9. Check resistance of each nozzle.
10. Other checks should be carried out in car-care center service.