Bravo & Brava • 1995 To 2000

Chapter 5 Part B:
Ignition system
Contents
Fault finding - general information and preliminary checks 3
General information 1
Ignition HT coil(s) - removal, testing and refitting 4
Ignition power module (1.8 litre models) - removal and refitting .... 7
Degrees of difficulty
Easy, suitable for |k
novice with little £5?
experience g^
Fairly easy, suitable |k
for beginner with §^
some experience g^
Fairty difficult, |k
suitable for competent g^
DIY mechanic g^
5B«1
Ignition system - testing 2
Ignition system sensors - removal and refitting 6
Ignition timing - checking and adjustment 5
Spark plugs - renewal See Chapter 1
Difficult suitable for |k
experienced DIY 5^
mechanic gQ
Very difficult,
suitable for expert DIY 2j
or professional g^
Specifications
General
System type:
1.2 litre models Bosch Motronic 1.5.5 engine management system
1.4 litre models Bosch Mono-Motronic engine management system
1.6 litre models Weber IAW engine management system
1.8 litre models Hitachi engine management system
Firing order 1-3-4-2 (No 1 at timing belt end)
Ignition timing at idle Under ECU control, constantly changing according to engine load, to
maintain idle speed
Ignition coil winding resistance (at 20°C):
Primary:
1.2 and 1.4 litre models 0.45 to 0.55 ohms
1.6 litre models 0.55 to 0.61 ohms
1.8 litre models 0.6 ohms
Secondary:
1.2 and 1.4 litre models 12 000 to 14 600 ohms
1.6 litre models 8645 to 9555 ohms
1.8 litre models N/A
Crankshaft TDC sensor:
Electrical resistance:
1.2 litre models 9600 ohms
1.4 litre models 774 to 946 ohms
1.6 litre models 575 to 750 ohms
1.8 litre models 440 to 570 ohms
Air gap:
1.4 litre models 0.8 to 1.5 mm
1.8 litre models 0.8 ± 0.4 mm
All other models 0.5 to 1.5 mm
Torque wrench settings Nm ibf ft
Knock sensor 25 18
Spark plugs:
All except 1.6 litre engine 25 18
1.6 litre engine 27 20
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