ignition JEEP WRANGLER 1994 Repair Manual

Fig. 3 Crankshaft Position SensorÐ4.0L EngineÐAll
Except YJ models With Auto. Trans.
JIGNITION SYSTEMS 8D - 9

Fig. 5 Crankshaft Position Sensor Connector
Fig. 6 Cap InspectionÐExternalÐTypical
Fig. 7 Cap InspectionÐInternalÐTypical
Fig. 8 Firing OrderÐ2.5L 4 Cylinder Engine
8D - 10 IGNITION SYSTEMSJ

Fig. 10 Rotor InspectionÐTypical
Fig. 11 Ignition CoilÐTypical
JIGNITION SYSTEMS 8D - 11

Fig. 15 Coil TerminalsÐTypical
Fig. 16 PCM 60-Way Connector
Fig. 17 Special Jumper Ground-to-Coil Negative
Terminal
JIGNITION SYSTEMS 8D - 13

Fig. 21 MAP Sensor TestÐTypical
Fig. 22 PCM LocationÐYJ Models
Fig. 23 PCM LocationÐXJ Models
JIGNITION SYSTEMS 8D - 15

Fig. 25 Electrode Gap Bridging
8D - 16 IGNITION SYSTEMSJ

Fig. 27 Chipped Electrode Insulator
Fig. 28 Preignition Damage
Fig. 29 Spark Plug Overheating
JIGNITION SYSTEMS 8D - 17

Fig. 31 SensorÐ4.0L Engine
8D - 18 IGNITION SYSTEMSJ

Fig. 33 Data Link ConnectorÐXJ ModelsÐTypical
JIGNITION SYSTEMS 8D - 19

Fig. 2 PDCÐYJ Models
8D - 20 IGNITION SYSTEMSJ