Volkswagen Golf/Jetta 2 manual

Hall sender - testing
Ignition system - fully electronic type / Hall sender - testing


Note: A digital multi-meter should be used for testing. Do not use a test lamp Release the lead connector from the Hall sender unit. Check the voltage supply to the sender unit by connecting a multi-meter between the outer contacts of the plug, then switch on the ignition (see illustration). A minimum reading of 5 volts should be indicated, if not check the FEI control unit and wiring.

6.1 Testing Hall sender connector on side of distributor
6.1 Testing Hall sender connector on side of distributor

To check the signal from the Hall sender unit, slide the rubber grommet away from the sender plug and with the plug connected, attach the diode test light to its centre and outer (brown/white) terminals (see illustration). Operate the starter motor and check that the LED is seen to flicker. If it does not, the Hall sender unit is at fault and must be renewed.

6.2 Signal check method from Hall sender unit
6.2 Signal check method from Hall sender unit


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