Waveform Check Using An Analyzer - Mitsubishi MOTORS Space Runner 1999 Workshop Manual Supplement

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ENGINE ELECTRICAL -

WAVEFORM CHECK USING AN ANALYZER

Ignition Secondary Voltage Check

MEASUREMENT METHOD

1. Clamp the SECONDARY PICKUP around the spark plug

1. The peak ignition voltage will be reversed when the

2. Because of the two-cylinder simultaneous ignition

3. Identifying which cylinder waveform is displayed can

2. Clamp the spark plug cable with the trigger pickup.

Ignition System

spark cables No. 2 and No. 4, or No. 1 and No.

3 cylinders are clamped.

system, the waveforms for two cylinders in each group

appear during waveform observation (No. 1 cylinder

- No. 4 cylinder, No. 2 cylinder - No. 3 cylinder).

However, waveform observation is only applicable

for the cylinder with the spark plug cable clamped

by the secondary pickup.

be difficult. For reference, remember that the

waveform of the cylinder attached to the secondary

pickup will be displayed as stable.

Clamp the trigger pickup to the same spark plug cable

clamped by the secondary pickup.

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