REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Mazda 3 (2003 release)

general info. full specifications. diagnostics. hints. tips. tricks

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Mazda
	3
		Operation and maintenance of car
		Engine
			General description new engines models L8, LF, L3
			The mechanical part of engines
			Appendix 1
			Annex 2
			Appendix 3
				Control system
				The principle of operation and the appointment of some components of the control system
				Fault codes
					Fault codes
					Synchronization camshaft
					Heater oxygen concentration sensor
					The pressure sensor in the intake manifold
					The pressure sensor in the intake manifold
					Sensor IAT (Intake Air Temperature)
					Throttle Position Sensor
					Fuel system
					Monitoring the misfire
					Knock sensor
					EGR valve
					Neutralization system
					Bleed solenoid valve
					The control system cooling fans
					Neutral Switch
					The solenoid valve intake system with variable characteristics (VAD)
					The PCM
					The control system of air mixing
					Barometric Pressure Sensor
					Generator
			Engine Z6 - mechanical part
			Lubrication system
			Cooling system
			Intake system
			Fuel system
			Exhaust and Emission
			Ignition system
			Control system
			Tables
		Transmission
		Chassis
		Steering Gear
		Brakes
		Onboard electric
		Body

printable version

Neutral Switch

Faulty neutral switch input (P0850)

The PCM monitors changes in input voltage switch neutral. If the PCM does not detect on the PCM output 1W voltage changes when the vehicle is at a speed of over 30 km / h and multiple (10 times) pressing the clutch pedal, he decides that the circuit breaker has a neutral fault.

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The control system cooling fans

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The solenoid valve intake system with variable characteristics (VAD)