Mitsubishi MOTORS 3000GT Bedienungsanleitung Seite 487

Ground
STANDARD WAVE-FORM
Observation Conditions
FUNCTION
PATTERN HEIGHT
Engine revolutions
100
Primary Primary
ignition ignition
voltage voltage
wave-form kr wave-form o
0
ENGINE ELECTRICAL - lanition Svstem
IGNITION PRIMARY VOLTAGE WAVE-FORM
Analyzer
CHECK
MEASUREMENT METHOD
(1) Remove the ignition coil connector and connect the special
tool (harness connector: MD998464) in between.
(2) When observing the No. 1 - No. 4 cylinder group, connect
the primary pickup of the analyzer probe to the ignition
coil side connector terminal No. 2 (black clip on the special
For the No. 2 - No. 5 cylinder group, connect to terminal
No. 1 (red clip), and for the No. 3 - No. 6 cylinder group,
connect to terminal No. 4 (white clip).
(3) Ground the primary pickup ground terminal.
(4) Clamp the spark plug cable with the trigger pickup.
NOTE
(1) Clamp the spark plug cable of cylinder No. 1, No.
2 or No. 3 which belongs to the same group of the
cylinder to which the primary pickup is connected.
(2) The wave-form of any cylinder in the same group
is displayed on the left side of the screen.
PRIMARY
HIGH (or LOW)
RASTER
Curb idle speed
Zener
voltage
(Point C)
Spark line (Point A)
Wave damping reduction section (Point B)
Dwell
section
Time