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4B Renix Ignition System
Trouble-shooting and repair
ignition system 251DOHC,
AQ171
Description
17. The ‘Renix’ ignition system is a fully electronic
ignition system.
– Control unit with ignition coil
– Magnetic induction crankshaft position sender
– Specially machined flywheel
– Simple type of distributor
Control unit
18. The control unit consists of an electronic unit
with power amplifier. The ignition coil is of the mod-
ern dry type and is replaceable.
Ignition position sender
19. The crankshaft position sender is located at the
rear of the engine and registers the position of the
flywheel by reading the ‘teeth’ (machined holes) in
the circumference of the flywheel.
The distributor
20. The flat distributor is mounted at the rear of the
engine. The only task of the distributor is to deliver
the high voltage current to the correct spark plug.
The only internal part is the rotor.
NOTE! Timing adjustments cannot be made at the
distributor.
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