Ignition Timing: Testing and Inspection

Ignition Timing Inspection
1. Perform "Engine Tune-up Preparation". (See Engine Tune-up Preparation.) Testing and Inspection

Note
^ The ignition timing cannot be adjusted.
^ The M-MDS is required to verify the ignition timing.

2. Verify that the ignition timing (M-MDS: SPARKADV) is within the specification using M-MDS function.
Ignition timing Approx. BTDC 13°
3. Verify that ignition timing advances when the engine speed increases gradually.
^ If it is not within the specification, refer to "ENGINE SYMPTOM TROUBLESHOOTING". (See SYMPTOM DIAGNOSTIC INDEX [MZI-3.7].)