3-54 FUEL SYSTEM (DFI)
Crankshaft Sensor (Service Code 21)
Start the engine and switch the diagnosis mode to Dealer
1 mode to know all the problem that the DFI system has at
the time of self-diagnosis. If the engine cannot be started,
the self-diagnosis system does not detect dynamic condi-
tion of the crankshaft sensor. In this case, turn off the igni-
tion switch and turn it on again to enter the Dealer 2 mode.
In this mode, the system tells all the troubles which the DFI
system had in both static and dynamic conditions.
Crankshaft Sensor Removal/Installation
See the Ignition System section in the Electrical System
Crankshaft Sensor Inspection
The crankshaft sensor has no power source, and when
the engine stops, the crankshaft sensor generates no sig-
Crank the engine and measure the peak voltage of the
crankshaft sensor (see Crankshaft Sensor Inspection in
the Electrical System) in order to check the sensor.
Check the wiring for continuity, using the following dia-
Crankshaft Sensor Circuit
2. Crankshaft Sensor