16-44
Prima-
ry pick-
up
Earth
ENGINE ELECTRICAL –
Ignition Primary Voltage Waveform Check
MEASUREMENT METHOD
1. Disconnect the distributor connector and connect the
special tool (test harness: MB991348) in between. (All
of the terminals should be connected.)
2. Connect the analyzer primary pickup to the distributor
Analyzer
connector terminal 2.
3. Connect the primary pickup earth terminal.
4. Clamp the spark plug cable with the trigger pickup.
NOTE
The waveform of the cylinder clamped to the trigger pickup
will appear at the left edge of the screen.
Ignition System