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MECHANICAL
4. Ignition Timing
A: INSPECTION
CAUTION:
After warming-up, engine becomes very hot. Be
careful not to burn yourself at measurement.
1) Before checking the ignition timing, check the
following:
(1) Ensure the air cleaner element is free from
clogging, spark plugs are in good condition, and
hoses are connected properly.
(2) Ensure the malfunction indicator light does
not illuminate.
2) Idle the engine.
3) Stop the engine, and turn the ignition switch to
OFF.
4) Insert the cartridge to Subaru Select Monitor.
5) Connect the Subaru Select Monitor to data link
connector.
6) Turn the ignition switch to ON and the Subaru
Select Monitor power switch to ON.
7) Select {Each System Check} in Main Menu.
8) Select {Engine} in Selection Menu.
9) Select {Current Data Display & Save} in Engine
Control System Diagnosis.
10) Select {Data Display} in Data Display Menu.
11) Start the engine and check the ignition timing at
idle speed.
Ignition timing [BTDC/rpm]:
°±
°
15
8
/650
If the timing is not correct, check the ignition control
system. Refer to "Engine Control System". <Ref. to
EN(H6DO)(diag)-2, Basic Diagnostic Procedure.>
Ignition Timing
ME(H6DO)-24
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