Operation CHARM: Car repair manuals for everyone.

Ignition Timing: Testing and Inspection

MEASUREMENT

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]:
10° ± 8°/650 (MT model)
15° ± 8°/700 (AT model)

If the timing is not correct, check the ignition control system. Refer to Powertrain Management.