TGE/Troubleshooting 2JZ-GE — Injector Circuit, page 92

EG–472

ENGINE – 2JZ–GE ENGINE TROUBLESHOOTING

Injector Circuit

CIRCUIT DESCRIPTION

The injectors are located in the intake manifold. They inject fuel into the cylinders based on the signals from the engine control module.

Reference    INSPECTION USING OSCILLOSCOPE

• With the engine idling measure waveform between terminals #10 ~ 60 and E01 of engine control module.
HINT: The correct waveform is as shown.

Injector Signal Waveform
10 V/Div.
GND
100 msec./Division (Idling)

(Magnification)
10 V/Div.
GND
1 msec./Division (Idling)
Injection duration

FI6588 FI6538

WIRING DIAGRAM

Ignition Switch
W-R
2
B-O
3
9
U1
B-O

4
IB1

W-R

2
AM2
1
2A
R/B No.2

B
Battery

FI6944

Injector                    Engine Control Module

B-O    No.1    R-L    20
2              1    E9    #10

B-O    No.2    R-Y    19
2              1    E9    #20

B-O    No.3    R-G    18
2              1    E9    #30

B-O    No.4    R-W    17
2              1    E9    #40

B-O    No.5    R    16
2              1    E9    #50

B-O    No.6    R-B    15
2              1    E9    #60

BR         80
E9    E01

BR         79
E9    E02