Engine Ecu Connector Diagram - Denso 4D56 Service Manual

Injector1 Drive (#1 Cylinder)
Injector2 Drive (#3 Cylinder)
Injector3 Drive (#4 Cylinder)
Injector4 Drive (#2 Cylinder)

15.2 Engine ECU Connector Diagram

The connector diagram and terminal below are common to the 4D56/4M41 model.
Terminal Connections (1)
No. Pin Symbol
A01 P-GND
A02 —
A03 P-GND
A04 COMMON 1
A05 COMMON 1
A06 —
A07 EGR-
A08 EGR+
A09 —
A10 SCV+
A04
COMMON1
A43 TWV1
A42 TWV1
A05
COMMON1
TWV2
A24
A23 TWV2
A41 TWV3
A40 TWV3
A22 TWV4
A21 TWV4
P-GND
A01
A03
P-GND
B33 C-GND
Body Earth
Signal Name
Power Ground
—
Power Ground
INJ#1/#4 BATT.
INJ#2/#3 BATT.
—
EGR-DC Motor (-)
EGR-DC Motor (+)
—
SCV (Suction Control Valve)
PFUEL1 A48
PFUEL2 A49
A63
A-VCC5
A68
PFUEL RTN
A-VCC6 A64
BOOST A52
A71
BOOST RTN
A55
EXT-A-TMP
A74
EXT-A-RTN
A54
AMF
A73
AMF RTN
No. Pin Symbol
A11 —
A12 A/C1 SW
A13 —
A14 —
A15 THR
A16 W
A17 SCV
A18 —
A19 —
A20 —
Operation Section
Rail Pressure Sensor
(Pc Sensor)
Turbo Pressure Sensor
EXT
Air Temperature Sensor
Airflow Sensor
Signal Name
—
Air Conditioning 1 Switch
—
—
Throttle Solenoid Valve
EngineWarning Light
SCV (Suction Control Valve)
—
—
—
1 43
–
P1
Q001258E
Q001259E