Mazda 3 since 2003
	1. Operation and maintenance of the car
	2. Engine
		2.1. General description of new engines of the L8, LF and L3 models
		2.2. Mechanical part of engines
			2.2.1. Engines of the L8 and LF models
			2.2.2. Verification of the contents of CO/CH in the fulfilled gases
			2.2.3. Measurement of a compression in engine cylinders
			2.2.4. Check of a belt of the drive of auxiliary units
			2.2.5. General information and safety measures at removal of the power unit
			2.2.6. Removal of sealant
			2.2.7. Removal and installation of the power unit
			2.2.8. Check of the executive mechanism of change of phases of gas distribution (L3)
			2.2.9. Removal and installation of the executive mechanism of change of phases of gas distribution (L3)
			2.2.10. Gas distribution mechanism drive chain
			2.2.11. Removal and installation of the operating oil valve (OCV) (L3)
			2.2.12. Check of the operating oil valve (OCV) (L3)
			2.2.13. Check of operation of the spool-type valve (OCV) (L3)
			2.2.14. The general repair operations on the power unit
			2.2.15. Check of a head of the block of cylinders
			2.2.16. Assembly of the block of cylinders (beginning)
			2.2.17. Assembly of the block of cylinders (termination)
			2.2.18. Assembly of a head of the block of cylinders
			2.2.19. Assembly of the drive of the mechanism of gas distribution
		2.3. Appendix 1
		2.4. Appendix 2
		2.5. Appendix 3
		2.6. The Z6 engine – a mechanical part
		2.7. Lubrication system
		2.8. Cooling system
		2.9. System of an admission
		2.10. Fuel system
		2.11. System of production of the fulfilled gases and system of decrease in toxicity
		2.12. System of ignition
		2.13. Control system
		2.14. Tables
	3. Transmission
	4. Running gear
	5. Steering mechanism
	6. Brake system
	7. Onboard electric equipment
	8. Body

2-2-12-proverka-upravlyayushhego-maslyanogo-klapana-ocv-l3.html

2.2.12. Check of the operating oil valve (OCV) (L3)

Disconnect a negative wire of the rechargeable battery.

Disconnect the socket of the operating oil valve.

Fig. 2.103. Installation of special adaptation

Measure resistance between conclusions of A and B ohmmeter (fig. 2.103).

If the result of measurement differs from specified, replace the operating oil valve.

Fig. 2.117. Conclusions of the socket of the operating oil valve (OCV)

The standard characteristic of indications of an ohmmeter – 6,9–7,9 Ohms.

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2.2.11. Removal and installation of the operating oil valve (OCV) (L3)

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2.2.13. Check of operation of the spool-type valve (OCV) (L3)