Honda Magna VF750C Service Manual page 194

No Spark At Either Ignition Group
If there is no spa rk at either g ro u p, the problem is proba bly i n the primary coi l side of the i g n ition system ( i g n ition
•
co i l , o r u n it a n d i g n ition coi l c i rcu it) .
Switch the i g n ition co i l pri m a ry term i n a l con­
nection between the fa u lty pa i r and good pa i r.
Try spa rk test aga i n .
" N o spark" con d ition
shift to other pa i r
M ea s u re resi sta n c e o f t h e i g n it i o n p ri m a ry
coi l at i g n ition control m o d u l e ( I C M ) con nec­
tor.
Connection:
No. 1 -3: Black/White - Black/Yellow
No. 2-4: Black/White - Black/Blue
Standard: 2 - 4
0
N o r m a l
�
F a u lty i g n ition control m o d u l e ( I C M )
•
" N o spark"
con d iti o n
Rem ove t h e fa u lty i g n ition coi l s a n d check the
rem a i n s with
i g n ition coi l resista nce ( page 1 6-8) .
the fa u lty pa i r
Standard:
Primary: 2 - 4
Between the plug caps: 23 - 27
Between the spark plug wire: 1 3 - 1 7
Abno r m a l
Fa u lty i g n ition coil
•
Fau lty spa rk p l u g w i re
•
Fau lty spa rk p l u gs
•
Abnorm a l
Poor or l oose i g n ition coi l con nector contacts
•
Open c i rc u it in B lack/Wh ite w i re
•
Open c i rc u it i n Black/Ye l low w ire
•
Open c i rc u it i n Black/B l ue w i re
•
0
�
kO
kO
1 6-5