Meter Functions- ms-PULSE (Pulse Width) &
ms- PERIOD (Period)
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example, fuel injectors are activated by an electronic pulse
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This pulse generates a magnetic field that pulls the injectors
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This open to close time is the Pulse Width and is measured in
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The most common automotive application for measuring
pulse width is on fuel injectors.
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control solenoid and the idle air control motor.
Measuring Pulse Width on Port Fuel injectors is described on
the following page.
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display.
NOTE:
The applied time for most fuel injectors is displayed on
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Jumper wires between the fuel injector and the harness
connector.
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the jumper cable.
Start the engine. A pulse width in milliseconds should be
read.
Note:
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DC/AC
ȍ
HOLD
MAX
MIN
PEAK
AUTO POWER OFF
AUTOMOTIVE METER
RANGE
STROKE 4 2 DIS
#CYL TRIGGER
OFF
V
DC/AC
CAP
ȍ
°C
IR
°F
°C
Type-K
°F
mA
DC/AC
20A
DC/AC
Hz
%DUTY
MS -
PULSE
DWELL
RPM
x10RPM
20A
400
mA
COM
FUSED
9ȍ+]
530&$3PV
':(//&
CAT IV 600V
CAT III 1000V
20A for
30 Sec
MAX every
15 min
Mixture
Control
Shown
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port fuel injector
Good
Ground
