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LAUNCH
S3001 User Manual
94
the vehicle sensor.
B. While testing Secondary-distributor ignition analysis/Secondary-simultaneous
ig
nition analysis,
3
. Connect the BNC connector of the secondary ignition pick-up to any channel
of the Scopebox, and clamp the crocodile clips and high-voltage clips onto
the vehicle ground and high-voltage line respectively.
The connection is as follows:
F
ig. 12-4
For detailed operations, please refer to Chapter 13.
C. While testing Secondary-direct ignition analysis,
3
. When the high-voltage wire is exposed, plug the BNC end of seconda
ry
ig
nition pickup into CH1/CH2/CH3/CH4 channel of Scopebox, then conne
ct
th
e high-voltage clip to high-voltage line, and crocodile clips to ground.
4. If no high-voltage wire is exposed, dismantle ignition coil of tested cylinde
r.
C
onnect one end of the COP extension cord to the ignition coil which should
be grounded via COP earth cord, and insert the other end into the cylinder to
joint with spark plug. Then plug the BNC end of secondary ignition pickup into
CH1/CH2/CH3/CH4 channel of Scopebox, and then connect the high-voltag
e