A SERVICE OF

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3-70 FUEL SYSTEM (DFI)
Crankshaft Sensor (Service Code 21)
Crankshaft Sen sor Removal/Installation
Refer to the Crankshaft Sensor Removal/Installation in
the Electrical System chapter (see Crankshaft Sensor Re-
moval/Installation in the Electrical System chapter).
Crankshaft Sensor Inspection
The crankshaft have no power source, and when the en-
gine stops, the crankshaft generates no signals.
Crank the engine and measure the peak voltage of the
crankshaft sensor (see Crankshaft Sensor Peak Voltage
Inspection in the Electrical System chapter) in order to
check the sensor.
Check the wiring for continuity (see wiring diagram in this
section).
Crankshaft Sensor Circuit
1. ECU
2. Crankshaft Sensor
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