Toyota T100 1996 Service Manual page 323

WIRING DIAGRAM
W−R
IA3
2
R/B No.2
2
Reference: INSPECTION USING OSCILLOSCOPE
INJECTOR SIGNAL WAVEFORM
With the engine idling, measure between terminals #10, #20 and E01 of ECM.
HINT:
The correct waveform is as shown.
10 V/
Division
GND
100 msec./Division (Idling)
FI6588 FI6538
1996 TOYOTA T100 (RM449U)
DIAGNOSTICS
8
W−R
8
Ignition
Switch
7
B−R
− ENGINE (3RZ−FE)
Injector
B−R
2
No.1
B−R
2
14
B−R
IE1
No.3
B−R
2
No.2
B−R
2
No.4
EB
10 V/
Division
GND
Injection duration
12 12
W−R
#10
1
E7 E7
W−R
1
W−R
11 11
W
#20
1
E7 E7
W
1
W
13 13
BR
E01
E7 E7
26 26
BR
E02
E7 E7
(M/T)(A/T)
(Magnification)
1 msec./Division (Idling)
DI−59
ECM
S00877
A00064