REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Volkswagen Transporter, Caravelle (1990 release)

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

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Volkswagen
	Transporter / Caravelle
		Instructions
		Engine
		Coupling
		Transmission
		Suspension
		A steering
		Brakes
		Wheels and tires
		Body
		Electrical
			Electrical system
			Installation of additional electroaccessories
			Troubleshooting in electrical equipment
			Relay
			Wiper motor
			System of indexes of turns
			Stop signal
			Sound signal
			Heated rear window
			Replacing fuses
			Accumulator battery
			Warning lights
			LEDs
			Voltage regulator
			Switchgears
			Roller speedometer
			Generator
			Starter
			The lighting system and alarm
			Wiring

printable version

LEDs

Checking the LEDs

Check

PERFORMANCE ORDER

1. Connect the LED to DC voltage of 1.8 V. The LED should light. In the installed condition (on the dashboard) are connected pre-resistance, which reduces the battery voltage (12 V) to 1.8 V.

A warning

Pay attention to the correct polarity. Negative pole LED marked phase (1) on the body diode and a large pole (2) in the body of the diode. Some diodes a minus connection is further bent.

2. The plants for this purpose, use a digital multimeter VW-1315A. Press simultaneously the buttons resistance and voltage. Red terminal connected to a direct, positive connection of the diode, the black terminal to the black, curved a minus connection. The diode should be lit, otherwise it must be replaced.

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Voltage regulator