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Bravo & Brava • 1995 To 2000

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4.4 Pull the HT leads off the spark plugs 4.5 Disconnect the LT wiring plug from the<br />

ignition coil<br />

4.6b Removing the ignition coil<br />

2 Before removing the ignition coil unit,<br />

attach labels to the spark plug HT leads to<br />

indicate which plug they serve. Number the<br />

leads 1 to 4, starting from the timing belt end<br />

of the engine.<br />

3 As an added precaution, check to see<br />

whether there are any cylinder numbers<br />

marked next to the HT lead terminals on the<br />

coil assembly itself - if not, make your own<br />

marks, to correspond with the HT lead<br />

numbering.<br />

4 Disconnect the HT leads from the spark<br />

plugs, and unclip the leads from their<br />

locations on the top of the engine (see<br />

illustration). Place the leads to one side.<br />

5 Disconnect the LT wiring plug from the<br />

ignition coil assembly (see illustration).<br />

6 The ignition coil assembly is secured by four<br />

bolts from the side on 1.2 and 1.4 litre models,<br />

and by three bolts from the top on 1.6 litre<br />

models. Remove the bolts, and recover the<br />

washers (see illustrations).<br />

7 Lift the ignition coil assembly away from the<br />

engine, complete with HT leads. Recover the<br />

support plate fitted to 1.4 litre models.<br />

Testing<br />

8 The only testing which can be carried out<br />

without special test equipment is to measure<br />

the coil primary and secondary resistance<br />

valyes.<br />

9 The primary resistances are checked on the<br />

pins for the LT wiring plug. Connect an<br />

ohmmeter between the centre (+) pin of the<br />

three, and each of the outer pins in turn (see<br />

illustrations). Both tests should give virtually<br />

LT (primary)<br />

resistance check,<br />

cylinders 1 and 4<br />

LT (primary)<br />

resistance check,<br />

cylinders 2 and 3<br />

HT (secondary)<br />

resistance check,<br />

cylinders 1 and 4<br />

HT (secondary)<br />

resistance check,<br />

cylinders 2 and 3<br />

Ignition system 5B»5<br />

4.6a On 1.6 litre models, the coil is<br />

secured by three bolts<br />

4.9a Ignition coil testing details - 1.2 and 1.4 litre models<br />

4.9b Ignition coil testing details -1.6 litre models<br />

1-4 HT lead connections<br />

for cylinder 1 to 4<br />

respectively<br />

LT wiring connection<br />

LT (primary) resistance<br />

check, cylinders 2 and 3<br />

LT (primary) resistance<br />

check, cylinders 1 and 4<br />

HT (secondary)<br />

resistance check,<br />

cylinders 1 and 4<br />

D HT (secondary)<br />

resistance check,<br />

cylinders 2 and 3<br />

H31454

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