IGNITION
Page 2A-18 90-884294 OCTOBER 2001
Flywheel
Flywheel has 54 teeth under the flywheel ring gear which the crank position sensor uses
to provide engine rpm and crankshaft position information the ECM.
59070
a
b
a-Flywheel b-Crank Position Sensor
Crank Position Sensor
Crank Position Sensor monitors 54 teeth on flywheel, thus determining crankshaft posi-
tion, and sends crankshaft position angle and engine speed signals to ECM. If crank posi-
tion sensor should fail, engine will stop running.
59070
a
b
a-Crank Position Sensor b-Crank Position Sensor Connector
Crank Position Sensor Resistance Test
Between 2 pins of Crank Position Sensor
Connector
300 – 350 ohms
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