Operation CHARM: Car repair manuals for everyone.

Function, Checking

Hall sender function, checking

- disconnect harness connector from fuel injector wiring guide
- loosen rubber boot on Hall sender connector (on ignition distributor)



- slide boot up wiring to expose harness connector terminals (while leaving connector connected)

- connect US 1115 LED tester to center and outside wires of connector (using VW 1594 adaptor kit)
- operate starter while watching LED tester
- LED must flicker

If NO
- replace Hall sender(in distributor).