Lancer Sportback L4-2.4L (4B12) (2010)
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Ignition Timing: Testing and Inspection
IGNITION TIMING CHECK
Required Special Tool:
MB991958: Scan Tool (M.U.T.-III Sub Assembly)
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MB991824: V.C.I.
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MB991827: M.U.T.-III USB Cable
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MB991910: M.U.T.-III Main Harness A
1. Before inspection, set the vehicle in the following condition:
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Engine coolant temperature: 80 - 95°C (176 - 203°F)
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Lights and all accessories: OFF
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Transaxle: Neutral (P range on vehicles with CVT)
NOTE: On vehicles for Canada, the headlight, taillight, etc. remain lit even when the lighting switch is in "OFF" position but this is no
problem for checks.
CAUTION
To prevent damage to scan tool MB9911958, always turn the ignition switch to the "LOCK" (OFF) position before connecting or
disconnecting scan tool MB9911958.
2. Connect scan tool MB991958 to the data link connector.
3. Set the timing light to the terminal No. 3 power supply line (white-red) of the ignition coil No. 1.
4. Start the engine and run it at idle.
5. Check that the idle speed is approximately 650 r/min.
6. Select scan tool MB991958 actuator test "item number 11".
7. Check that basic ignition timing is within the standard value.
