Ignition Timing: Testing and Inspection
Ignition TimingINSPECTION
CAUTION:
After warming-up, engine becomes very hot. Be careful not to burn yourself at measurement.
METHOD WITH SUBARU SELECT MONITOR
1) Before checking the ignition timing, check the following item:
(1) Check the air cleaner element is free from clogging, spark plugs are in good condition, and hoses are connected properly.
(2) Check the malfunction indicator light does not illuminate.
2) Warm up the engine.
3) Read the ignition timing using Subaru Select Monitor.
NOTE:
If ignition timing is out of standard, check the ignition control system.
Ignition timing [BTDC/rpm]:
Standard
15°±10°/700
METHOD WITH TIMING LIGHT
1) Before checking the ignition timing, check the following item:
(1) Check the air cleaner element is free from clogging, spark plugs are in good condition, and hoses are connected properly.
(2) Check the malfunction indicator light does not illuminate.
2) Warm up the engine.
3) Stop the engine, and turn the ignition switch to OFF.
4) Remove the collector cover.
5) Disconnect the ground cable from battery.
6) Remove the air intake duct.
7) Remove the air cleaner case.
8) Connect the timing light to the power wire of #1 ignition coil.
9) Install the air cleaner case.
10) Connect the ground cable to battery.
11) Start the engine, turn the timing light to the crank pulley, and check the ignition timing through the timing belt cover gauge.
NOTE:
If ignition timing is out of standard, check the ignition control system.
Ignition timing [BTDC/rpm]:
Standard
15°±10°/700
12) After inspection, install the related parts in the reverse order of removal.