Toyota ZZT230 series Repair Manual page 280

r')
HINT:
The correct waveforms are shown.
10V/
Division
GNO
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) c:J
4
Check resistance of Injector of misfiring cylinder (See page SF-18).
nector
Check fOr
between Injector and ECM
IN-30).
5 Check fuel pressure (See page SF-9).
)
Injector Signal Waveform
sec./Division (Idling)
100
m
In
open and short harness and con­
ENGINE
10V/
Division
GND
. .
InJectiOn durat1on
Go to step 5.
G I
Replace injector.
(See page
Check and repair fuel pump, pressure regulator,
fuel pipe line and filter.
(Magnification)
sec./Division
. 1 m
0Hi9
(Idling)
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