Suzuki GA413, Руководство по обслуживанию

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9) If ignition timing is out of specification, check the followings:
CKP sensor
Crankshaft timing belt pulley (signal rotor)
TP sensor
Test switch signal circuit
VSS
10) After checking Initial Ignition Timing, release ignition timing
fixation by using SUZUKI scan tool or disconnect service wire
from monitor connector.
11) With engine idling (test switch terminal ungrounded, throttle
opening at closed position and car stopped), check that igni-
tion timing fluctuates between 6
– 18 BTDC. (Constant varia-
tion within a few degrees from 6 – 18 indicates no
abnormality but proves operation of electronic timing control
system.) Also, check that increasing engine speed advances
ignition timing.
If above check results are not satisfactory, check CKP sensor,
test switch terminal circuit and ECM.
12) Install the inspection hole cap and engine service hole cover
and ignition adjusting resistor if equipped.
6F-10 IGNITION SYSTEM