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ME(H4DOTC)-36
MECHANICAL
Ignition Timing
4. Ignition Timing
A: INSPECTION
1. USING SUBARU SELECT MONITOR
1) Before checking the ignition timing speed, check
the following:
(1) Ensure the air cleaner element is free from
clogging, spark plugs are in good condition, and
that hoses are connected properly.
(2) Ensure the malfunction indicator light does
not illuminate.
2) Warm-up the engine.
3) Stop the engine, and then turn the ignition switch
to OFF.
4) Insert the cartridge to SUBARU SELECT MONI-
TOR.
5) Connect the SUBARU SELECT MONITOR to
data link connector.
6) Turn the ignition switch to ON, and SUBARU
SELECT MONITOR switch to ON.
7) Select the {2. Each System Check} in Main
Menu.
8) Select the {Engine Control System} in Selection
Menu.
9) Select the {1. Current Data Display & Save} in
Engine Control System Diagnosis.
10) Select the {1.12 Data Display} in Data Display
Menu.
11) Start the engine and check the ignition timing at
idle speed.
Ignition timing [BTDC/rpm]:
Except for Australia model
12
°±
°±°±
°±
10
°
°°
°
/700
Australia model (Except for STi model)
12
°±
°±°±
°±
3
°
°°
°
/650 (MT model)
12
°±
°±°±
°±
3
°
°°
°
/700 (AT model)
If the timing is not correct, check the ignition control
system. Refer to Engine Control System. <Ref. to
EN(H4DOTC)(diag)-2, Basic Diagnostic Proce-
dure.>