Ignition System (Digifant II)

DIGIFANT II

Ignition System - Checking

(No spark from ignition coil while cranking)

- Connect US 1119 to measure voltage at terminal 15 of the ignition coil.
- Switch ignition ON.
- Specification: Battery voltage.

If voltage is not OK:

- Repair fault in wiring. If voltage is OK:
- Connect US 1115 L.E.D. Tester to terminal 1 of the ignition coil and crank engine.
- Tester must flash while cranking.

If Tester flashes:

- Replace the ignition coil.

If the Tester does not flash:

- Check Hall system as follows:




Part A

- Remove the wiring connector from the distributor
- Switch the ignition ON.
- Measure voltage at outer terminals of wiring connector.
- Reading should be a minimum of 5 Volts.

If the voltage is OK:

- Go to part B, next page. If the voltage is not OK:
- Remove wiring connector from the Digifant E.C.U. and connect a voltmeter across terminals 13 and 14.
- Switch the ignition ON.
- Specification: Battery voltage.

If voltage is not present across Digifant E.C.U. connector terminals 13 and 14,

- Repair the wiring using wiring diagram.

If voltage is present across E.C.U. terminals 13 and 14,

- Check the wire from terminal 6 of the Digitant E.C.U. to terminal 1 at the distributor connector (BR/W wire).

If there is no continuity,

- Repair wiring using wiring diagram.

If there is continuity,

- Check wire from terminal B of the Digifant E.C.U. to terminal 3 at the distribution connector (R/BK wire).

If there is no continuity,

- Repair wiring using wiring diagram.

If there is continuity,

- Replace the Digifant E.C.U. and re-test.




Part B

- Reconnect wiring to the distributor and peel back rubber boot.
- Connect US 1119 between the center terminal of the connector and the positive side of the battery.
- Set meter to 20 V scale.
- Crank engine.
- Voltmeter reading must fluctuate.

If voltmeter reading does not fluctuate,

- Replace Hall sender and re-test. If voltmeter reading does fluctuate,
- Check for continuity in wire from terminal 18 of the Digifant E.C.U. to the center terminal at the distributor (G/W wire).

If the wire is not OK,

- Trace and repair fault in wiring.

If the wire is OK,

- Replace the Digifant E.C.U. and re-test.