Suzuki 2000 Grand Vitara SQ416, Руководство по обслуживанию

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YH4
GRAND
VITARA
6F2-8 IGNITION SYSTEM (FOR J20 / H25 ENGINES)
1. Viewpoint
2. Timing mark on
chain cover
3. Timing mark on
crankshaft pulley
H25 Engine
J20 Engine
1
3
2
1
3
9) After checking and / or adjusting, end fixed spark mode of SU-
ZUKI scan tool or disconnect service wire from monitor cou-
pler.
CAUTION:
Driving with test switch terminal grounded will cause
damage to catalyst.
Be sure to disconnect service wire after adjustment.
NOTE:
In this state, ignition timing may vary more or less of initial
ignition timing but it is nothing abnormal.
10) With engine idling (closed throttle position and vehicle
stopped), check that ignition timing is about BTDC 12
_
– 16
_
(J20 engine), 10
_
– 13
_
( H25 engine with monitor connector),
6
_
– 12
_
(H25 engine without monitor connector) (shown in the
figure). Also, check that increasing engine speed advances
ignition timing.
If above check results are not satisfactory, check input signals
related to this system.