Ignition Timing: Testing and Inspection

Ignition Timing

INSPECTION

CAUTION: After warming-up, engine becomes very hot. Be careful not to burn yourself during measurement.

1) Warm-up the engine.





2) To check the ignition timing, connect a timing light to #1 cylinder spark plug cord, and illuminate the timing mark with timing light.
3) Start the engine and check the ignition timing at idle speed.
Ignition timing [BTDC/rpm]:
10° ± 8°/650 (MT vehicles)
15° ± 8°/700 (AT vehicles)
If the timing is not correct, check the ignition control system.
Refer to Engine Control System.