Operation CHARM: Car repair manuals for everyone.

Ignition Timing: Adjustments




1. Connect a timing light to the engine.
2. Start the engine and let it idle.






3. (22R)
Disconnect the vacuum hose from the distributor sub-diaphragm and plug the hose end.






(22R-E, 22R-TE)
Short terminal T and E1 of the check connector. check the ignition timing.
Ignition timing:
22R 0° TDC @ Max. 950 rpm.
22R-E, 22R-TE 5° BTDC @ idle.
If necessary, loosen the distributor bolt and turn the distributor to align the marks. Recheck the timing after tighting the distributor bolt.
(22R)
reconnect the vacuum hose to the distributor sub-diaphragm.
(22R-E, 22R-TE)
Unshort the check connector.






4. Check that ignition timing advances to 10° - 14° BTDC.