Jetta L4-1781cc 1.8L SOHC (RV, PF) (1989)
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The correct measurement should be approx. 5 volts.
9.
If the voltage is not correct switch the ignition "OFF".
10.
Reconnect the throttle switch connector.
11.
Disconnect the Digifant II control unit harness connector.
12.
Measure the resistance between terminal 6 and 11 of the control unit harness connector.
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The correct measurement should be less than 0.5 ohms (continuity).
If the correct measurement is obtained replace the Digifant II control unit.
If the correct measurement is not obtained continue.
13.
Disconnect the throttle switch harness connector and bridge the two terminals.
15.
Measure the resistance between terminal 6 and 11 of the control unit harness connector.
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The correct measurement should be less than 0.5 ohms (continuity).
If the correct measurement is not obtained repair or replace the Digifant II control unit harness.