Operation CHARM: Car repair manuals for everyone.

Ignition Timing: Testing and Inspection

Ignition Timing Inspection

Note
^ Ignition timing is not adjustable.
^ Ignition timing verification requires M-MDS.

1. Complete the engine tune-up preparation. (See ENGINE TUNE-UP [L3].) Testing and Inspection
2. Verify that the ignition timing (M-MDS: SPARKADV PID) is within the specification using M-MDS.

Ignition timing
Approx. BTDC 8°

3. Verify that ignition timing advances when the engine speed increases gradually.
^ If there malfunction, refer to "ENGINE SYMPTOM TROUBLESHOOTING". (See SYMPTOM DIAGNOSTIC INDEX [L3].)