Denso CRS - Various Sensors

Operation Section
1
–
61
(2) Operation
• The high-voltage generating device in the EDU converts the battery voltage into high voltage. The ECU sends signals
to terminals B through E of the EDU in accordance with the signals from the sensors. Upon receiving these signals,
the EDU outputs signals to the injectors from terminals H through K. At this time, terminal F outputs the IJf injection
verification signal to the ECU.
6.4 Various Sensors
Various Sensor Functions
Sensor Functions
Crankshaft Position Sensor
(Engine Speed Sensor)
Detects the crankshaft angle and outputs the engine speed signal.
Cylinder Recognition Sensor
(TDC (G) Sensor)
Identifies the cylinders.
Accelerator Position Sensor Detects the opening angle of the accelerator pedal.
Intake Air Temperature Sensor Detects the temperature of the intake air after it has passed through the turbo-
charger.
Mass Airflow Meter Detects the flow rate of the intake air. It also contains an intake air temperature sen-
sor that detects the temperature of the intake air (atmospheric temperature).
Coolant Temperature Sensor Detects the engine coolant temperature.
Fuel Temperature Sensor Detects the fuel temperature.
Intake Air Pressure Sensor Detects the intake air pressure.
Atmospheric Pressure Sensor Detects the atmospheric pressure.
GND GND
High Voltage
Generation Circuit
Control Circuit
A
L
B
IJt#1
IJt#1
COM+B
IJt#2
IJt#3
IJt#4
IJt#2
IJt#3
IJt#4
IJf
C
D
E
F
GM
H
I
J
K
ECU
Q000877E