Ignition Timing: Testing and Inspection

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 the timing light.
3) Start the engine at idle speed and check the ignition timing.
Ignition timing [BTDC/rpm]:
MT vehicle: 10° ± 8°/650
AT vehicle: 15° ± 8°/700
If the timing is not correct, check the ignition control system. Refer to Engine Control System. Refer to Powertrain Management; Computers and Control Systems.