Toyota 4 Runner/Hilux/Surf

1987-1998 of release

Repair and operation of the car

Toyota 4ranner
+ 1. Maintenance instruction
+ 2. Maintenance
+ 3. Engines
+ 4. Systems of heating, ventilation
+ 5. Fuel and exhaust systems
+ 6. Transmissions
+ 7. Transmission elements
+ 8. Brake system
+ 9. Suspension bracket and steering
+ 10. Body
- 11. Electric equipment
   11.1. Specifications
   11.2. Battery
   + 11.3. System of ignition
   11.4. Ignition coil(s)
   11.5. Ignition distributor
   11.6. Check and installation of the moment of ignition
   11.7. Block of electronic ignition
   11.8. Induction sensor
   + 11.9. System of a charge of the battery
   + 11.10. Generator
   11.11. System of start-up of the engine
   + 11.12. Starter electric motor
   11.13. Traction relay
   11.14. Check of tension
   11.15. Detection of short circuit
   11.16. Check of reliability of grounding
   11.17. Check of integrity of a chain
   11.18. Finding of not closed chain
   11.19. Search of malfunctions
   11.20. Safety locks
   11.21. Fusible crossing points
   11.22. Breakers
   11.23. Relay
   11.24. Breaker of indexes of turn / alarm system
   11.25. Switch of indexes of turn
   11.26. Lock of ignition and drum of the lock
   11.27. Switch of external lighting
   11.28. Screen wiper switch
   11.29. Lamps of headlights
   11.30. Adjustment of headlights
   11.31. Headlight case
   11.32. Replacement of lamps
   11.33. Receiver and loudspeakers
   11.34. Antenna
   + 11.35. Screen wiper electric motor
   11.36. Switch of heating of back glass
   11.37. Heater of back glass
   11.38. Guard of devices
   11.39. Sound signal
   11.40. Electric drive of mirrors
   11.41. Cruise control
   + 11.42. Window regulator electric drive
   11.43. Electric drive of door locks
   11.44. Safety cushions
+ 12. Electroschemes

11.43. Electric drive of door locks

GENERAL INFORMATION

Switches the lock drive, the control unit and wires are a part of the electric drive.

The control unit is mounted in salon, to the right of the block of safety locks. It is independently possible to execute simple checks of the drive and connections. More detailed check and elimination of serious malfunctions is carried out in car service.

Control of locks is exercised the reversive solenoids mounted in door niches.

Switches of locks have 2 provisions Lock and Unlock. From the switch on the control unit the signal of unlocking or locking of a door arrives. The control unit changes polarity of a signal according to position of the switch, as a result conclusions of the coil of the solenoid connect or weight or to food of +12 Century.

On part of cars anti-theft devices are built in door locks.

Check

PERFORMANCE ORDER

1. Safety locks and breakers are at first checked.
2. At operation of the drive of the lock at any position of the switch click has to be listened.
Switch of the lock of a door of the driver
	3. The chain has to be in the family way LOCK of the switch between conclusions 2 and 4.
4. Between conclusions should not be in the family way OFF of the switch of a chain.
5. The chain has to be in the family way UNLOCK of the switch between conclusions 2 and 3.
Switch of the lock of a door of the passenger
	6. The chain has to be in the family way LOCK of the switch between conclusions 3 and 4.
7. Between conclusions should not be in the family way OFF of the switch of a chain.
8. The chain has to be in the family way UNLOCK of the switch between conclusions 2 and 4.
Switch of the lock of a door of a back compartment
	9. The chain has to be in the family way LOCK of the switch between conclusions 1 and 6, and also between conclusions 3 and 4.
10. The chain has to be in the family way UNLOCK of the switch between conclusions 1 and 3, and also between conclusions 4 and 6.
11. Between conclusions 2 and 5 there has to be a chain (an illumination chain).
12. If switches are serviceable, check existence of break in the wires connecting the control unit, solenoids and switches. Otherwise replace the switch.
13. Check connection with the mass of the control unit and switches.
	14. If does not work only one solenoid, check presence on it of tension, having removed facing of a door. Tension has to be in the family way Lock on one of wires. After remaintaining the switch in the situation Unlock tension has to be on an opposite wire.
15. If tension is, replace the solenoid.
16. Otherwise check the relay or a wire between the control unit and the solenoid. As a rule this wire breaks when closing and opening a door.