Dodge Journey: Description, Operation, Specifications

DESCRIPTION

NOTE: All engines use a fixed ignition timing system. Basic ignition timing is not adjustable. All spark advance is determined by the Powertrain Control Module (PCM).

The ignition system used on these engines is referred to as coil on plug. The system's four main components are the coils, crankshaft position sensor, spark plugs, and camshaft position sensors. The coil on plug ignition system utilizes an ignition coil for every cylinder. The ignition coils are mounted directly over the each spark plug.

OPERATION

The crankshaft position sensor and camshaft position sensor are hall effect devices. The camshaft position sensor and crankshaft position sensor generate square wave pulses that are inputs to the PCM. The PCM determines engine position from these sensors. The PCM calculates injector sequence and ignition timing from crankshaft AND camshaft position.

SPECIFICATIONS

FIRING ORDER

2.4L

Ignition Control
Fig. 1: Identifying Firing Order 2.4L

The firing order is 1-3-4-2.

2.7, 3.5L

Ignition Control
Fig. 2: Transverse 6 Cyl. Firing Order

The firing order is 1-2-3-4-5-6.

IGNITION RESISTANCE

IGNITION COIL RESISTANCE

SPARK PLUG

TORQUE

TORQUE SPECIFICATIONS

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