LAUNCH X431 GDS Scopebox Manual
Fig.4-5
Tips:
Common ignition sequence (the specific sequence is subject to the
actual engine ignition sequence)
Four-stroke in-line four-cylinder: 1—2—4—3, or 1—3—4—2
Four-stroke in-line six-cylinder: 1—5—3—6—2—4, or
1—4—2—6—3—
5
Four-stroke in-line eight-cylinde
r: 1—8—4—3—6—5—7—2
Five-cylinder: 1-2-4-5-3
V 6 engine: generally speaking, based on the person sitting on the
driver ca
b, if th
e right side cylinder numbers on the right side, from
the front to the back are as follows: 1, 3, 5; and the cylinder numbers
on the left side, from the front to the back are as follows: 2, 4, 6; then
the ignition sequence is: 1-4-5-2-3-6. If the cylinder
numbers on the right side, from the front to the back are as follows: 2,