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3-56 FUEL SYSTEM (DFI)
Camshaft Po sition Sensor (Service Code 23)
Start the engine and switch the diagnosis mode to Dealer
1 mode to know all the problem that the DFI system has at
the tim
e of self-diagnosis. If the engine cannot be started,
the self-diagnosis system does not detect dynamic condi-
tion of the camshaft position sensor. In this case, turn off
the ig
nition 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.
Camshaft Position Sensor Removal/Installation
The camshaft position sensor detects the position of the
camshaft, and distinguishes the cylinder.
•
See the Ignition system section in the Electric System
chapter.
Camshaft Position Sensor Inspection
○
The camshaft position sensor has no power source, and
when the engine stops, the camshaft position sensor gen-
erates no signal.
•
Crank the engine and measure the peak voltage of the
camshaft position sensor (see Electrical System chapter)
in order to check the sensor.
•
Check the wiring for continuity, using the following dia-
gram.
A. ECU
G. Camshaft Position Sensor